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Hitachi ZX300LC-6 ZX300LCN-6 Hydraulic Excavator Workshop Manual (WDDN50-EN-00) – PDF Download
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- Hitachi ZX300LC-6 ZX300LCN-6 Hydraulic Excavator Workshop Manual
- Part No:WDDN50-EN-00
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Description
Hitachi ZX300LC-6 ZX300LCN-6 Hydraulic Excavator Workshop Manual (WDDN50-EN-00)
File Details:
Hitachi ZX300LC-6 ZX300LCN-6 Hydraulic Excavator Workshop Manual (WDDN50-EN-00)
- Manual Language:English
- Pages: 1200+
- Size: 18.7 MB
- Format:PDF
- Downloadable:Yes
HITACHI ZX300LC-6 ZX300LCN-6 HYDRAULIC EXCAVATOR WORKSHOP MANUAL (WDDN50-EN-00) – PDF DOWNLOAD:
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Description:
Hitachi ZX300LC-6 ZX300LCN-6 Hydraulic Excavator Workshop Manual (WDDN50-EN-00)
To The Reader
This manual is written for an experienced technician to provide technical information needed to maintain and repair this machine. The machine specification and description according to destination may be explained on this manual.
Be sure to thoroughly read this manual for correct product information and service procedures.
If you have any questions or comments, at if you found any errors regarding the contents of this manual, please contact using “Service Manual Revision Request Form” at the end of this manual.
Additional References
Please refer to the other materials (operator’s manual, parts catalog, engine technical material and Hitachi training material etc.) in addition to this manual.
Manual Composition
This manual consists the Technical Manual, the Workshop Manual and the Engine Manual.
Information included in the Technical Manual: Technical information needed for redelivery and delivery, operation and activation of all devices and systems, operational performance tests, and troubleshooting procedures.
Information included in the Workshop Manual: Technical information needed for maintenance and repair of the machine, tools and devices needed for maintenance and repair, maintenance standards, and removal / installation and assemble / disassemble procedures.
Information included in the Engine Manual: Technical information needed for redelivery and delivery and maintenance and repair of the machine, operation and activation of all devices and systems, troubleshooting and assemble / disassemble procedures.
Table Of Contents:
Hitachi ZX300LC-6 ZX300LCN-6 Hydraulic Excavator Workshop Manual (WDDN50-EN-00)
WDDN50-EN-00........................................................................... 1 CONTENTS........................................................................... 3 SECTION 1GENERAL............................................................... 3 SECTION 2MAINTENANCE STANDARD.................................................. 5 SECTION 3UPPERSTRUCTURE........................................................ 7 SECTION 4UNDERCARRIAGE......................................................... 9 SECTION 5 FRONTATTACHMENT...................................................... 11 INTRODUCTION....................................................................... 13 To The Reader.................................................................. 13 Additional References.......................................................... 13 Manual Composition............................................................. 13 Page Number.................................................................... 13 Trademark...................................................................... 13 Safety Alert Symbol and Headline Notations..................................... 14 Units Used..................................................................... 14 SYMBOL AND ABBREVIATION............................................................ 15 SAFETY............................................................................. 17 Recognize Safety Information................................................... 17 Understand Signal Words........................................................ 17 Follow Safety Instructions..................................................... 18 Prepare for Emergencies........................................................ 19 Wear Protective Clothing....................................................... 19 Protect Against Noise.......................................................... 20 Inspect Machine................................................................ 20 General Precautions for the Cab................................................ 21 Use Handholds and Steps........................................................ 22 Adjust the Operator's Seat..................................................... 22 Ensure Safety Before Rising from or Leaving Operator’s Seat.................... 23 Fasten Your Seat Belt.......................................................... 23 Move and Operate Machine Safely................................................ 24 Operate Only from Operator's Seat.............................................. 24 Jump Starting.................................................................. 25 Keep Riders off Machine........................................................ 25 Precautions for Operations..................................................... 26 Investigate Job Site Beforehand................................................ 27 Install OPG Guard.............................................................. 28 Restriction of Attachment Installation......................................... 28 Provide Signals for Jobs Involving Multiple Machines........................... 29 Confirm Direction of Machine to Be Driven...................................... 29 Drive Machine Safely........................................................... 30 Avoid Injury from Rollaway Accidents........................................... 32 Avoid Injury from Back-Over and Swing Accidents................................ 33 Keep People Clear from Working Area............................................ 34 Never Position the Bucket Over Anyone.......................................... 34 Avoid Undercutting............................................................. 35 Avoid Tipping.................................................................. 35 Never Undercut a High Bank..................................................... 36 Dig with Caution............................................................... 36 Operate with Caution........................................................... 36 Avoid Power Lines.............................................................. 37 Precautions for Lightning...................................................... 37 Object Handling................................................................ 38 Protect Against Flying Debris.................................................. 38 Park Machine Safely............................................................ 39 Handle Fluids Safely−Avoid Fires............................................... 39 Transport Safely............................................................... 40 Practice Safe Maintenance...................................................... 41 Warn Others of Service Work.................................................... 42 Support Machine Properly....................................................... 42 Stay Clear of Moving Parts..................................................... 43 Prevent Parts from Flying...................................................... 43 Avoid Injury from Attachment Falling Accident.................................. 44 Prevent Burns.................................................................. 44 Replace Rubber Hoses Periodically.............................................. 45 Avoid High-Pressure Fluids..................................................... 45 Prevent Fires.................................................................. 46 Evacuating in Case of Fire..................................................... 48 Beware of Exhaust Fumes........................................................ 48 Precautions for Welding and Grinding........................................... 49 Avoid Heating Near Pressurized Fluid Lines..................................... 50 Avoid Applying Heat to Lines Containing Flammable Fluids....................... 50 Precautions for Handling Accumulator and Gas Damper............................ 50 Remove Paint Before Welding or Heating......................................... 51 Beware of Asbestos and Silica Dust and Other Contamination..................... 51 Prevent Battery Explosions..................................................... 52 Service Air Conditioning System Safely......................................... 52 Handle Chemical Products Safely................................................ 53 Dispose of Waste Properly...................................................... 53 Never Ride Attachment.......................................................... 54 Notes on Aftertreatment Device................................................. 54 Precautions for Communication Terminal......................................... 54 Precautions for Communication Terminal Equipment............................... 55 Notes on Protection of Operator’s Station whenthe Machine Rolls Over........... 57 Before Returning the Machine to the Customer................................... 58 SECTION AND GROUP CONTENTS......................................................... 59 SECTION 1GENERAL................................................................... 63 Group 1 Precautions for Disassembling and Assembling........................... 65 Precautions for Disassembling and Assembling............................... 65 Group 2 Tightening............................................................. 71 Tightening Bolts and Nuts.................................................. 71 Piping Joint............................................................... 74 Group 3 Painting............................................................... 81 Painting................................................................... 81 Group 4 Bleeding Air........................................................... 83 Bleeding Air from Hydraulic System......................................... 83 Bleeding Air from Fuel System.............................................. 84 Air Bleeding from the Diesel Exhaust Fluid Defrosting Piping............... 86 Group 5 Preparation............................................................ 87 Preparation before Inspection and Maintenance.............................. 87 Hydraulic Circuit Pressure Release Procedure............................... 89 Pressure Release from Hydraulic Oil Tank................................... 90 Pressure Release from Expansion Tank....................................... 91 SECTION 2 MAINTENANCE STANDARD..................................................... 95 Group 1 Upperstructure......................................................... 97 Pump Device................................................................ 97 Swing Motor................................................................101 Group 2 Undercarriage..........................................................105 Travel Motor...............................................................105 Sprocket...................................................................107 Front Idler................................................................109 Upper Roller...............................................................111 Lower Roller...............................................................112 Track......................................................................113 Group 3 Front Attachment.......................................................117 Pin and Bushing............................................................117 Side Cutter (2021232, 2021233).............................................119 Point (4512365)............................................................120 Standard Dimensions for Arm and Bucket Connection..........................121 Standard Dimensions for Arm and Boom Connection............................122 Cylinder...................................................................123 SECTION 3 UPPERSTRUCTURE...........................................................127 Group 1 Cab....................................................................129 Removal and Installation of Cab............................................129 Group 2 Counterweight..........................................................155 Group 3 Main Frame.............................................................157 Removal and Installation of Main Frame.....................................157 Group 4 Engine.................................................................165 Removal and Installation of Engine.........................................165 Group 8 Pump Device............................................................199 Removal and Installation of Pump Device....................................199 Removal and Installation of Coupling.......................................211 Disassembly of Pump Device.................................................213 Assembly of Pump Device....................................................221 Disassembly of Regulator...................................................233 Assembly of Regulator......................................................235 Disassembly of Solenoid Valve Unit.........................................237 Assembly of Solenoid Valve Unit............................................239 Structure of Pilot Pump....................................................241 Group 9 Control Valve..........................................................243 Removal and Installation of Control Valve..................................243 Group 10 Swing Device..........................................................267 Removal and Installation of Swing Device...................................267 Disassembly of Swing Reduction Gear........................................271 Assembly of Swing Reduction Gear...........................................276 Disassembly of Swing Motor.................................................283 Assembly of Swing Motor....................................................286 Group 11 Pilot Valve...........................................................289 Removal and Installation of Pilot Valve (Left).............................289 Removal and Installation of Pilot Valve (Right)............................301 Removal and Installation of Travel Pilot Valve.............................317 Disassembly of Pilot Valves (Right and Left)...............................321 Assembly of Pilot Valves (Right and Left)..................................324 Disassembly of Travel Pilot Valve..........................................327 Assembly of Travel Pilot Valve.............................................331 Group 12 Solenoid Valve........................................................337 Removal and Installation of Pilot Shut-Off Solenoid Valve..................337 Removal and Installation of 5-Spool Solenoid Valve Unit....................341 Removal and Installation of 2-Spool Solenoid Valve Unit....................345 Disassembly of Pilot Shut-Off Solenoid Valve...............................349 Assembly of Pilot Shut-Off Solenoid Valve..................................351 Structure of 5-Spool Solenoid Valve Unit...................................353 Structure of 2-Spool Solenoid Valve Unit...................................355 Group 13 Signal Control Valve..................................................357 Removal and Installation of Signal Control Valve...........................357 Structure of Signal Control Valve..........................................361 Group 14 Aftertreatment Device.................................................365 Removal and Installation of Aftertreatment Device..........................365 Group 15 DEF Tank..............................................................389 Removal and Installation of DEF Tank.......................................389 Group 16 Coolant Control Valve.................................................403 Removal and Installation of Coolant Control Valve..........................403 Group 17 DEF Supply Module.....................................................405 Removal and Installation of DEF Supply Module..............................405 SECTION 4 UNDERCARRIAGE............................................................413 Group 1 Swing Bearing..........................................................415 Removal and Installation of Swing Bearing..................................415 Disassembly of Swing Bearing...............................................421 Assembly of Swing Bearing..................................................424 Group 2 Travel Device..........................................................427 Removal and Installation of Travel Device..................................427 Disassembly of Travel Device...............................................431 Assembly of Travel Device..................................................435 Disassembly of Travel Motor................................................443 Assembly of Travel Motor...................................................446 Disassembly of Brake Valve.................................................451 Assembly of Brake Valve....................................................453 Precautions for Using Floating Seal........................................455 Group 3 Center Joint...........................................................457 Removal and Installation of Center Joint...................................457 Disassembly of Center Joint................................................461 Assembly of Center Joint...................................................463 Replacement of Body and Spindle............................................466 Group 4 Track Adjuster.........................................................467 Removal and Installation of Track Adjuster.................................467 Disassembly of Front Idler.................................................471 Assembly of Front Idler....................................................474 Disassembly of Track Adjuster..............................................477 Assembly of Track Adjuster.................................................481 Precautions for Using Floating Seal........................................485 Group 6 Upper and Lower Rollers................................................487 Removal and Installation of Upper Roller...................................487 Removal and Installation of Lower Roller...................................493 Disassembly of Lower Roller................................................499 Assembly of Lower Roller...................................................501 Precautions for Using Floating Seal........................................503 Group 7 Track..................................................................505 Removal and Installation of Track..........................................505 SECTION 5 FRONTATTACHMENT..........................................................515 Group 1 Front Attachment.......................................................517 Removal and Installation of Front Attachment...............................517 Group 2 Cylinder...............................................................527 Removal and Installation of Boom Cylinder..................................527 Removal and Installation of Arm Cylinder...................................535 Removal and Installation of Bucket Cylinder................................543 Removal and Installation of Positioning Cylinder...........................547 Disassembly of Boom, Arm, and Bucket Cylinders.............................553 Assembly of Boom, Arm, and Bucket Cylinders................................560 Disassembly of Positioning Cylinder........................................569 Assembly of Positioning Cylinder...........................................572 Group 3 Hose Rupture Valve.....................................................575 Removal and Installation of Hose Rupture Valve for Boom Cylinder...........575 Removal and Installation of Hose Rupture Valve for Arm Cylinder............579 Removal and Installation of Hose Rupture Valve for Positioning Cylinder....583 Structure of Hose Rupture Valve for Boom Cylinder (Right)..................587 Structure of Hose Rupture Valve for Boom Cylinder (Left)...................589 Structure of Hose Rupture Valve for Arm Cylinder...........................591 Structure of Hose Rupture Valve for Positioning Cylinder...................593 SERVICE MANUAL REVISION REQUEST FORM...............................................597
Please Note:
⦁ This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
⦁ This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
⦁ Require some other service manual or have any queries: please WRITE to us at [email protected]
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Zev Abner –
Good deal, thanks.