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New Holland Crawler Excavator E16B E18B Service Repair Manual 87743534 – PDF DOWNLOAD
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New Holland Crawler Excavator E16B E18B Service Repair Manual 87743534
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Description
New Holland Crawler Excavator E16B E18B Service Repair Manual 87743534
FILE DETAILS:
New Holland Crawler Excavator E16B E18B Service Repair Manual 87743534
Language : English
Pages : 614
Downloadable : YES
Format : PDF
Size : 37.6 MB
Print No. 87743534
DESCRIPTION:
New Holland Crawler Excavator E16B E18B Service Repair Manual 87743534
SAFETY INSTRUCTION:
The operator or serviceman may be unfamiliar with many of the systems in this machine. This makes a careful use of the systems very important when performing maintenance operations. Getting familiar with the system or its components is very important before removing or disassembling any of them. Because of the size of some of the machine’s components, the operator or serviceman should check the weights noted in this manual. Use proper lifting procedures when removing any components. The following is a list of basic precautions that must always be observed.
- Read and understand all warning labels and safety decals before operating, servicing or repairing this machine. Always wear protective glasses and protective shoes when working around machines. In particular, wear safety goggles when using hammers, punches or drifts on any part or attachment of the machine.
- Use gloves, safety goggles, aprons and protective clothing appropriate for welding jobs. Do not wear loose accessories or torn clothes. Remove all rings from fingers, loose jewellery, confine long hair and loose clothing before working on this machine. Disconnect the battery and hang a “Maintenance in progress” tag in the operator’s compartment. Remove the starter switch key. If possible, make all repairs with the machine parked on a level and firm surface.
- Block the machine so it does not roll while working on or under the machine. Hang a “Maintenance in progress” tag in the operator’s compartment. Do not work on any machine that is supported only by lift, jacks or a hoist. Always use blocks or stops for the jack before carrying out any disassembly operation. Relieve all pressure in air, oil or fuel systems before any lines, fittings or related devices are disconnected or removed. Always make sure that all raised components are blocked correctly and pay attention to possible pressures when disconnecting any device from a system under pressure.
- Lower the bucket, dozer or other attachments to the ground before performing any operation on the machine. If this cannot be done, make sure the bucket, dozer or other attachment is blocked correctly to prevent it from dropping unexpectedly. Use the steps and the grab handles when mounting or dismounting the machine. Remove any debris or mud from steps, walkways or work platforms before using them. Always face the machine when using steps, ladders and walkways.
- When it is not possible to use the designed access system, provide ladders, scaffolds, or work, platforms to perform safe repair operations. To prevent back injury, use a hoist when lifting components which weigh 20 kg (45 lbs) or more. Make sure all chains, hooks, slings, etc., are in good condition and have the correct capacity. Be sure hooks are positioned correctly. Lifting eyes are not to be side loaded during a lifting operation. In order to prevent burns, be careful not to touch hot machine parts and hot liquids in systems.
- Be careful when removing cover plates. Gradually back off the last two screws or nuts located at opposite ends of the cover or device and carefully pry the cover loose to relieve any spring or other pressure before removing the last two screws or nuts completely.
- Be careful when removing filler caps, breathers and plugs on the machine. Hold a rag over the cap or plug to prevent being sprayed or splashed by liquids under pressure. Danger is even greater if the machine has just been stopped, as liquids might be boiling hot. Always use proper tools that are in good condition and that are suited for the job at hand. Be sure you understand how to use them before performing any service work. Replace all clamps with original spare parts. Do not use clamps of a lesser quality.
TABLE OF CONTENTS:
New Holland Crawler Excavator E16B E18B Service Repair Manual 87743534
Section_51TOC.pdf................................................................................................................................................................................................... 0 51. ENGINE......................................................................................................................................................................................................461 Section_22_A3.pdf................................................................................................................................................................................................... 0 2. HYDRAULIC DIAGRAMS AND COMPONENTS............................................................................................................................................................................111 2.1 HYDRAULIC DIAGRAM FOR ONE-SPEED E16B....................................................................................................................................................................111 2.2 HYDRAULIC DIAGRAM FOR TWO-SPEED E16B....................................................................................................................................................................113 2.3 HYDRAULIC DIAGRAM FOR E18B..............................................................................................................................................................................115 2.4 HYDRAULIC DIAGRAM FOR E16B - NIBBLER AND BREAKER SYSTEM (OPTIONAL)......................................................................................................................................117 Section_34.pdf...................................................................................................................................................................................................... 0 34. TRAVEL SYSTEM...............................................................................................................................................................................................357 1. MAIN COMPONENTS..........................................................................................................................................................................................359 1. Rubber crawler.......................................................................................................................................................................................359 2. Sliding plate........................................................................................................................................................................................359 3. Lower roller.........................................................................................................................................................................................359 4. Crawler idler........................................................................................................................................................................................359 5. Sprocket.............................................................................................................................................................................................359 6. Travel motor.........................................................................................................................................................................................359 7. Slewing bearing......................................................................................................................................................................................359 8. Track width enlargement device.......................................................................................................................................................................359 2. REMOVAL AND INSTALLATION.................................................................................................................................................................................360 2.1 RUBBER CRAWLER......................................................................................................................................................................................360 Tension value (A):..................................................................................................................................................................................361 If the machine is operated with a loose rubber crawler, there is the risk that the crawler springs and wears prematurely........................................................................361 Rib height..........................................................................................................................................................................................361 Crack of rubber shoe................................................................................................................................................................................361 Metal core detachment...............................................................................................................................................................................362 The metal core can easily detach if the rubber crawler is not used correctly....................................................................................................................362 2.2 SLIDING PLATE.......................................................................................................................................................................................363 Slowly rotate the grease cup, paying attention not to rotate it by more than one turn. Prevent grease from spattering...............................................................................363 2.3 LOWER ROLLER........................................................................................................................................................................................364 1. Seal ring........................................................................................................................................................................................364 2. Roller body......................................................................................................................................................................................364 3. Plug.............................................................................................................................................................................................364 4. Shaft............................................................................................................................................................................................364 5. Bearing..........................................................................................................................................................................................364 6. Elastic ring.....................................................................................................................................................................................364 7. Collar...........................................................................................................................................................................................364 8. Washer...........................................................................................................................................................................................364 9. Screw............................................................................................................................................................................................364 - Replace the seal ring with a new one during assembly..........................................................................................................................................367 - If the seal ring is incorrectly installed because of an uneven pressure, it could get damaged quickly and not guarantee sealing...............................................................367 - After assembling the roller, manually check for smooth rotation and make sure that there are no leaks.........................................................................................367 2.4 CRAWLER IDLER.......................................................................................................................................................................................368 B. Idler assy.......................................................................................................................................................................................368 1. Screw............................................................................................................................................................................................368 2. Wheel............................................................................................................................................................................................368 3. Shaft............................................................................................................................................................................................368 4. Bracket..........................................................................................................................................................................................368 5. Bearing..........................................................................................................................................................................................368 6. Elastic ring.....................................................................................................................................................................................368 7. Seal ring........................................................................................................................................................................................368 8. Plug.............................................................................................................................................................................................368 9. Piston...........................................................................................................................................................................................368 10. Seal ring.......................................................................................................................................................................................368 11. O-ring..........................................................................................................................................................................................368 12. Cylinder........................................................................................................................................................................................368 13. Spring..........................................................................................................................................................................................368 14. Plate...........................................................................................................................................................................................368 15. Nut.............................................................................................................................................................................................368 16. Split pin.......................................................................................................................................................................................368 17. Pin.............................................................................................................................................................................................368 18. Valve...........................................................................................................................................................................................368 19. Disc............................................................................................................................................................................................368 - Crawler idler weight: 22 kg (48 lb)...............................................................................................................................................................369 - loosen and remove the screws (4);.................................................................................................................................................................369 - remove the free wheel (3) complete with the two side supports (5).................................................................................................................................369 free wheel weight: 16 kg (35 lb)....................................................................................................................................................................369 idler weight: 6 kg (13 lb)..........................................................................................................................................................................369 Reassemble the free wheel and the idler. Tightening torque of screws (4): 33 Nm (24.33 lbf.ft)......................................................................................................369 Install the crawler idler assy by inserting it between the plates of the lower frame. Pay attention that the idler valve remains oriented upwards...................................................369 Assemble the rubber crawler.........................................................................................................................................................................369 Adjust the crawler and the crawler idler tension....................................................................................................................................................369 If bearing (5) replacement is not necessary, do not remove it from the shaft (3)....................................................................................................................370 In case the bearing is reused, check that its rotation is correct and that it does not show defects or rust.........................................................................................370 Apply some grease to the wheel (2), press-fit the shaft (3) along with the bearing (5) into the crawler idler.......................................................................................370 Install the elastic ring (6)........................................................................................................................................................................370 - Replace the seal ring with a new one during reassembly........................................................................................................................................370 - If the seal ring is incorrectly installed because of an uneven pressure, it could get damaged quickly and not guarantee sealing...............................................................370 Following the same procedure, assemble the seal ring (7) on the opposite side.......................................................................................................................370 Idler disassembly...................................................................................................................................................................................371 A. Support base.....................................................................................................................................................................................371 B. Base.............................................................................................................................................................................................371 C. Lock plate.......................................................................................................................................................................................371 D. Nut..............................................................................................................................................................................................371 H. Hydraulic jack...............................................................................................................................................................................371 Idler reassembly................................................................................................................................................................................373 Apply some grease to the seal ring (10) and to the O-ring (11)..............................................................................................................................374 2.5 SPROCKET............................................................................................................................................................................................375 2.6 TRAVEL MOTOR........................................................................................................................................................................................376 Loosen the plug of the hydraulic oil tank and bleed the air from the tank...........................................................................................................................376 Disconnect the lines connected to the travel motor and plug all openings in order to prevent oil leaks and dust or dirt from entering the systems...................................................376 Travel motor weight (with sprocket): 22 kg (48 lb)..................................................................................................................................................376 Eliminate burrs and dust from the different parts. Sling the travel assy with a rope as for the removal and install it onto the lower frame.........................................................377 Assemble the motor complete with sprocket by loosening the screws (8). Tighten the screws to a tightening torque of 66 Nm (48.67 lbf.ft)............................................................377 Oil capacity: 700 cm3 (42.71 in3)...................................................................................................................................................................377 Stop the machine so that the drain plug (11) is in the lowest possible position.....................................................................................................................377 Remove the level plug (10) and check the oil level and any possible contamination. The oil level is correct if it is level with the plug hole.......................................................377 Fill with oil if necessary..........................................................................................................................................................................377 Start the engine at low idle for several minutes and check for leaks or noise.......................................................................................................................377 2.7 SLEWING BEARING.....................................................................................................................................................................................378 A. Ball introduction hole...........................................................................................................................................................................379 S. Reference for non-hardened area..............................................................................................................................................................379 1. Non-hardened area of the outer ring..........................................................................................................................................................379 2. Non-hardened area of the inner ring..........................................................................................................................................................379 2.8 TRACK WIDTH ENLARGEMENT DEVICE (E18B)...............................................................................................................................................................381 Lift the machine complete with attachment and dozer, support the lower frame (machine body) by placing stable supports under the lower frame (machine body) to free the half-frame..................382 Disconnect the lines connected to the travel motor and plug all openings to prevent oil leaks and dust or dirt from entering the systems............................................................382 Lift the half-frame with a crane or remove it by pulling it to the side with a truck................................................................................................................382 Adjust the insertion direction so that the tubulars enter the opposite tubulars.....................................................................................................................382 Reassemble the cover (4) fastening it with the screws (1) and the washers (2) and (3)...............................................................................................................383 Pressurize the hydraulic oil tank, then check that the track width enlargement cylinder and the travel motor operate correctly and do not show any leaks............................................383 3. DISASSEMBLY AND ASSEMBLY.................................................................................................................................................................................384 3.1 TRAVEL MOTOR (E16B - ONE SPEED).....................................................................................................................................................................384 1. Snap ring........................................................................................................................................................................................385 2. Plug.............................................................................................................................................................................................385 3. Cover............................................................................................................................................................................................385 4. O-ring...........................................................................................................................................................................................385 5. Disc.............................................................................................................................................................................................385 6. Gear.............................................................................................................................................................................................385 7. Planetary gear carrier...........................................................................................................................................................................385 8. Elastic ring.....................................................................................................................................................................................385 9. Planetary gear...................................................................................................................................................................................385 10. Reduction gear body.............................................................................................................................................................................385 11. Elastic ring....................................................................................................................................................................................385 12. Bearing.........................................................................................................................................................................................385 13. Gasket..........................................................................................................................................................................................385 14. Seal ring.......................................................................................................................................................................................385 15. Washer..........................................................................................................................................................................................385 16. Engine body.....................................................................................................................................................................................385 17. Pin.............................................................................................................................................................................................385 18. O-ring..........................................................................................................................................................................................385 19. Seal ring.......................................................................................................................................................................................385 20. Bearing.........................................................................................................................................................................................385 21. Shaft...........................................................................................................................................................................................385 22. Swash plate.....................................................................................................................................................................................385 23. Piston..........................................................................................................................................................................................385 24. Disc............................................................................................................................................................................................385 25. Link............................................................................................................................................................................................385 26. Cylinder........................................................................................................................................................................................385 27. Shim............................................................................................................................................................................................385 28. Spring..........................................................................................................................................................................................385 29. Shim............................................................................................................................................................................................385 30. Elastic ring....................................................................................................................................................................................385 31. Disc............................................................................................................................................................................................385 32. Bearing.........................................................................................................................................................................................385 33. Valve body......................................................................................................................................................................................385 34. Plug............................................................................................................................................................................................385 35. O-ring..........................................................................................................................................................................................385 36. Plug............................................................................................................................................................................................385 37. O-ring..........................................................................................................................................................................................385 38. Spring..........................................................................................................................................................................................385 39. Shim............................................................................................................................................................................................385 40. Spool...........................................................................................................................................................................................385 41. Restrictor......................................................................................................................................................................................385 42. Screw...........................................................................................................................................................................................385 43. Plug............................................................................................................................................................................................385 44. O-ring..........................................................................................................................................................................................385 45. Spring..........................................................................................................................................................................................385 46. Shim............................................................................................................................................................................................385 47. Pin.............................................................................................................................................................................................385 48. O-ring..........................................................................................................................................................................................385 49. Plug............................................................................................................................................................................................385 50. Pin.............................................................................................................................................................................................385 3.2 TRAVEL MOTOR (E16B - E18B TWO-SPEED)................................................................................................................................................................387 1. Snap ring........................................................................................................................................................................................388 2. Plug.............................................................................................................................................................................................388 3. Cover............................................................................................................................................................................................388 4. O-ring...........................................................................................................................................................................................388 5. Disc.............................................................................................................................................................................................388 6. Gear.............................................................................................................................................................................................388 7. Planetary gear carrier...........................................................................................................................................................................388 8. Elastic ring.....................................................................................................................................................................................388 9. Planetary gear...................................................................................................................................................................................388 10. Reduction gear body.............................................................................................................................................................................388 11. Elastic ring....................................................................................................................................................................................388 12. Bearing.........................................................................................................................................................................................388 13. Gasket..........................................................................................................................................................................................388 14. Seal ring.......................................................................................................................................................................................388 15. Washer..........................................................................................................................................................................................388 16. Pin.............................................................................................................................................................................................388 17. Engine body.....................................................................................................................................................................................388 18. Spring..........................................................................................................................................................................................388 19. Displacement change piston......................................................................................................................................................................388 20. Plug............................................................................................................................................................................................388 21. O-ring..........................................................................................................................................................................................388 22. Seal ring.......................................................................................................................................................................................388 23. Bearing.........................................................................................................................................................................................388 24. Shaft...........................................................................................................................................................................................388 25. Swash plate.....................................................................................................................................................................................388 26. Piston..........................................................................................................................................................................................388 27. Disc............................................................................................................................................................................................388 28. Link............................................................................................................................................................................................388 29. Cylinder........................................................................................................................................................................................388 30. Shim............................................................................................................................................................................................388 31. Spring..........................................................................................................................................................................................388 32. Shim............................................................................................................................................................................................388 33. Elastic ring....................................................................................................................................................................................388 34. Disc............................................................................................................................................................................................388 35. Bearing.........................................................................................................................................................................................388 36. Pin.............................................................................................................................................................................................388 37. Valve body......................................................................................................................................................................................388 38. Plug............................................................................................................................................................................................388 39. O-ring..........................................................................................................................................................................................388 40. Plug............................................................................................................................................................................................388 41. O-ring..........................................................................................................................................................................................388 42. Spring..........................................................................................................................................................................................388 43. Ring............................................................................................................................................................................................388 44. Displacement change valve.......................................................................................................................................................................388 45. O-ring..........................................................................................................................................................................................388 46. Restrictor......................................................................................................................................................................................388 47. Plug............................................................................................................................................................................................388 48. Screw...........................................................................................................................................................................................388 49. Displacement change spool.......................................................................................................................................................................388 50. Spring..........................................................................................................................................................................................388 51. O-ring..........................................................................................................................................................................................388 52. Plug............................................................................................................................................................................................388 53. Restrictor......................................................................................................................................................................................388 54. Spool...........................................................................................................................................................................................388 55. O-ring..........................................................................................................................................................................................388 56. Spool terminal..................................................................................................................................................................................388 57. Ring............................................................................................................................................................................................388 58. Spring..........................................................................................................................................................................................388 59. O-ring..........................................................................................................................................................................................388 60. Plug............................................................................................................................................................................................388 61. O-ring..........................................................................................................................................................................................388 62. Pin.............................................................................................................................................................................................388 When reassembling, it is necessary to take some precautions.........................................................................................................................................402 In case of damaged gears, such as a planetary gear, do not replace the single gear, but the planetary gear carrier assy.............................................................................402 Always replace the O-rings and the seal rings to be reassembled, after carefully cleaning the seats and applying some grease on the seats and the O-rings, to facilitate reassembly.................402 Always replace all components which seem damaged or excessively worn with original spare parts......................................................................................................402 Use care when inserting the shaft (24) into the seal ring (22); the seal ring must be lubricated....................................................................................................403 Make sure that the pistons move freely in their seats...............................................................................................................................................404 The two grooves must be aligned.....................................................................................................................................................................405 Carefully clean the seats (A) and (B) by using metal brushes or solvent, if necessary. The surfaces in contact with (C) must be perfectly clean and dry.............................................415 Make sure that the gasket surfaces (D) of the metal rings (E) do not present scratches, pitching or foreign bodies; the surfaces of the metal rings must be perfectly clean and dry.................415 Carefully clean the overlapping surfaces (D) of the metal rings (E) and remove dust or fingermarks. Then lubricate with a thin oil coat, paying attention not to lubricate the other components.....415 Oil leak from seal ring.........................................................................................................................................................................420 Damaged seal ring...............................................................................................................................................................................420 Replace the seal ring...........................................................................................................................................................................420 Oil leak from cover.............................................................................................................................................................................420 Damaged O-ring..................................................................................................................................................................................420 Replace the O-ring..............................................................................................................................................................................420 Oil leak from plugs.............................................................................................................................................................................420 Damaged plug O-ring.............................................................................................................................................................................420 Loose plugs or screws...........................................................................................................................................................................420 Replace the O-ring..............................................................................................................................................................................420 Tighten the plugs and the screws................................................................................................................................................................420 Oil leak from the engine........................................................................................................................................................................420 Damaged O-rings.................................................................................................................................................................................420 Loose plugs or screws...........................................................................................................................................................................420 Damaged engine internal parts...................................................................................................................................................................420 Replace the damaged O-rings.....................................................................................................................................................................420 Tighten the plugs and the screws................................................................................................................................................................420 Check the engine................................................................................................................................................................................420 Too much noise inside the engine................................................................................................................................................................420 Damaged engine internal parts...................................................................................................................................................................420 Check the engine................................................................................................................................................................................420 Too much hydraulic noise (while slowing down)...................................................................................................................................................420 Damaged engine internal parts...................................................................................................................................................................420 Malfunctioning hydraulic system.................................................................................................................................................................420 Check the engine................................................................................................................................................................................420 Check that the pressure of the engine ports is ³ 3 bar..........................................................................................................................................420 Check the hydraulic system......................................................................................................................................................................420 Too much noise inside the reduction gear........................................................................................................................................................420 Internal damage.................................................................................................................................................................................420 Check the gearmotor.............................................................................................................................................................................420 Overheating.....................................................................................................................................................................................420 Low oil level...................................................................................................................................................................................420 Check the oil level and fill....................................................................................................................................................................420 Insufficient supply.............................................................................................................................................................................420 Damaged engine internal parts...................................................................................................................................................................420 Malfunctioning valves...........................................................................................................................................................................420 Check the engine................................................................................................................................................................................420 Check the valves................................................................................................................................................................................420 Blocked sprocket................................................................................................................................................................................420 Stuck engine....................................................................................................................................................................................420 Check the engine................................................................................................................................................................................420
NEW HOLLAND CRAWLER EXCAVATOR E16B E18B SERVICE REPAIR MANUAL 87743534 – PDF DOWNLOAD:
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Lane Corbin –
I had a hard time finding the manual until i googled the information, and found your website!