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Fiat Hitachi CRAWLER DOZER D150 Power Steering Workshop Manual – PDF DOWNLOAD
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Fiat Hitachi CRAWLER DOZER D150 Power Steering Workshop Manual – PDF DOWNLOAD
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Description
Fiat Hitachi CRAWLER DOZER D150 Power Steering Workshop Manual – PDF DOWNLOAD
FILE DETAILS:
Fiat Hitachi CRAWLER DOZER D150 Power Steering Workshop Manual – PDF DOWNLOAD
Language : English
Pages : 320
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Fiat Hitachi CRAWLER DOZER D150 Power Steering Workshop Manual – PDF DOWNLOAD
SAFETY RULES
MAINTENANCE
GENERALITIES
Before operating or performing any intervention on the
machine:
• read carefully all the rules contained by this Manual;
• read and obey all safety related plates and instructions located on the machine
machine:
• read carefully all the rules contained by this Manual;
• read and obey all safety related plates and instructions located on the machine
– Do not allow unauthorised personnel to perform any maintenance operation. Do not perform maintenance operation without prior authorisation. Follow all recommended maintenance and service procedures.
– Keep operator’s compartment free of all loose objects that are not properly secured.
– Do not wear rings, wrist watches, jewellery, loose or hanging apparels, such as ties, torn clothing, scarves, unbuttoned or unzipped jackets that can catch on moving parts. Wear proper safety equipment as recommended for the job. Examples: hard hat, heavy gloves, ear protection, safety glasses or goggles, reflector vests, respirator. Consult your employer for specific safety equipment requirements.
– Do not use controls or hoses as hand holds when climbing on or off machine. Hoses and controls are movable and do not provide a solid support. Also, controls may be inadvertently moved causing accidental machine or equipment movement.
– Do not jump on or off the machine. Keep two hands and one foot, or two feet and one hand in contact with step grab rails and handles at all times.
– Do not perform any service operation on the machine with a person seated in the operator’s compartment, unless he is an authorised operator co-operating in the operation to be performed.
– Keep operator’s compartment, stepping points, grabrails and handles clear of foreign objects, oil, grease, mud or snow accumulation to minimise the danger of slipping or stumbling. Clean mud or grease from shoes before attempting to mount or operate the machine.
– Keep shoes free of mud or grease before climbing or driving the machine.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Fiat Hitachi CRAWLER DOZER D150 Power Steering Workshop Manual – PDF DOWNLOAD
D150 Power Steering................................................................................ 1 SUMMARY............................................................................................ 3 GENERALITIES................................................................................... 5 SAFETY RULES............................................................................... 7 TABLE OF CAPACITIES........................................................................ 17 TABLE OF CENTRE OF GRAVITY................................................................. 18 MAIN DIMENSIONS............................................................................ 19 TABLES OF TECHNICAL DATA................................................................... 21 CHECK DATA ON THE MACHINE.................................................................. 32 EQUIPMENT MANOEUVRE TIMES.................................................................. 33 TABLE OF WEIGHTS........................................................................... 34 LEAKAGES................................................................................... 35 GENERAL INSTRUCTIONS....................................................................... 36 DIAGNOSTIC CHECKS.......................................................................... 41 UNITS OF MEASURE........................................................................... 42 TABLE OF TIGHTENING TORQUES................................................................ 44 ENGINE......................................................................................... 45 GENERAL SPECIFICATIONS OF SERIES B ENGINE.................................................. 47 ENGINE MAIN SPECIFICATIONS............................................................. 47 Engine identification.................................................................. 48 DESIGN FEATURES............................................................................ 49 SERVICEABILITY............................................................................. 54 SECURING THE ENGINE TO THE FRAME........................................................... 55 TRANSMISSION................................................................................... 57 GENERAL DESCRIPTION........................................................................ 58 TRANSMISSION TORQUE CONVERTER HYDRAULIC DIAGRAM........................................ 58 Transmission housingTorque converter................................................... 60 TROUBLESHOOTING............................................................................ 61 TESTS...................................................................................... 65 Torque converter stall test............................................................ 65 Delivery pressure test procedure....................................................... 65 TRANSMISSION GEAR SHIFTING ELECTRIC CONTROL VALVE...................................... 66 PROCEDURES FOR THE REPAIR OF THE TORQUE CONVERTER.......................................... 68 REMOVAL................................................................................ 68 RE-INSTALLATION........................................................................ 69 RE-INSTALLATION........................................................................ 81 DISASSEMBLY............................................................................ 70 REASSEMBLY............................................................................. 79 PROCEDURES FOR THE REPAIR OF THE TRANSMISSION.............................................. 80 REMOVAL................................................................................ 80 RE-INSTALLATION........................................................................ 81 DISASSEMBLY............................................................................ 82 OVERHAUL OF THE FORWARD SPEED CLUTCH................................................... 96 OVERHAUL OF THE 3rd SPEED.............................................................. 98 OVERHAUL OF THE REV SPEED CLUTCH.......................................................103 MODULATING VALVES (Disassembly / Assembly).............................................107 PRESSURE RELIEF VALVE (Disassembly / Assembly).........................................108 SPECIFICATIONS AND DATA....................................................................111 GENERAL DATA...........................................................................111 TIGHTENING TORQUES (TORQUE CONVERTER)..................................................112 TRANSMISSION DATA......................................................................113 Transmission clutches..................................................................114 TRANSMISSION CLUTCH DISCS..............................................................116 1st - 2nd - 3rd SPEED TRANSMISSION CLUTCH MODULATING VALVES............................116 LUBE OIL PRESSURE RELIEF VALVE.........................................................117 FORWARD REVERSE MODULATING VALVES......................................................118 TRANSMISSION PRESSURE RELIEF VALVE AND TORQUE CONVERTER SAFETY VALVE...................119 TORQUE CONVERTER / TRANSMISSION FEEDING PUMP (Ref. 1 hydraulic diagram)................120 OIL FILTERS............................................................................121 FINAL DRIVES...................................................................................123 GENERAL DESCRIPTION........................................................................125 Final drive............................................................................126 REPAIR PROCEDURES..........................................................................128 FINAL DRIVE (removal / disassembly)....................................................128 PULLING THE HOUSING COVER..............................................................132 DRIVEN GEAR............................................................................133 DRIVING GEAR SHAFT.....................................................................133 DESCRIPTION OF INSTALLATION OF FRONT SEALS (LONG LIFE).................................134 Final drive (assembly).................................................................135 SPECIFICATIONS AND DATA....................................................................144 FINAL DRIVE SHAFT AND BEARING FITTINGS.................................................144 BRAKES AND STEERING DIFFERENTIAL...............................................................147 GENERAL DESCRIPTION........................................................................149 BRAKES HYDRAULIC DIAGRAM...............................................................149 MAIN COMPONENTS OF BRAKES CIRCUIT......................................................150 Brake power pump...................................................................150 Brake power valve block............................................................151 Brakes pedal valve.................................................................152 STEERING-BRAKES FILTERS............................................................154 STEERING HYDRAULIC SYSTEM DIAGRAM......................................................156 MAIN COMPONENTS OF STEERING CIRCUIT....................................................158 Hydraulic motor....................................................................158 Steering piloting valve block......................................................159 TROUBLESHOOTING............................................................................160 DIAGNOSIS ON DISPLAY...................................................................160 TESTS......................................................................................162 CHECKING CIRCUIT PRESSURES ON DIAGNOSTICS..............................................162 ADJUSTING THE BRAKE PEDAL..............................................................163 CHECKS AND SETTING ON BRAKE POWER VALVE BLOCK (ref. 3 on brakes hydraulic diagram).....164 CALIBRATION OF STEERING LEVERS.........................................................165 REPAIR PROCEDURES..........................................................................167 BRAKES PEDAL VALVE.....................................................................167 BRAKE POWER PUMP (Removal/disassembly/re-assembly) ....................................168 STEERING SIDE GROUP....................................................................169 Removal (Preliminary operations)...................................................169 Disassembly of transmission housing cover..........................................171 Removal of steering side group.....................................................174 Removal of crown gear..............................................................176 Disassembly of crown gear..........................................................177 Disassembly of steering side group.................................................178 Disassembly of the differential planet carrier assembly............................178 Disassembly of planetary group.....................................................179 Disassembly of the bearing housing from the steering side assembly.................180 Assembly of the steering side assembly.............................................182 Reassembly of planetary group......................................................184 Reassembly of planet carrier assembly..............................................185 Reassembly and installation of the crown gear assembly.............................187 Reassembly of steering side group into the transmission housing....................189 BEVEL GEAR SET (Removal/disassembly of bevel pinion and crown gear)....................191 Removal............................................................................191 Disassembly of bevel pinion........................................................193 Disassembly of the crown gear......................................................196 Reassembly of crown gear...........................................................197 Assembly of bevel pinion...........................................................198 BRAKE GROUP AND PINION ON BRAKE SIDE...................................................203 Removal of the brake group.........................................................203 Disassembly of the brake group.....................................................204 PROCEDURE AND INSPECTION FOR BRAKE PACK................................................206 Installation of brake group........................................................207 Removal of brake pinion............................................................208 Disassembly of brake pinion........................................................209 Reassembly of brake pinion.........................................................210 Re-installation of bevel gear crown................................................212 Re-installation of the pinion......................................................213 PROCEDURE FOR THE SETTING OF THE BEVEL PINION BEARINGS PRE-LOAD (transmission side)....214 PROCEDURE FOR THE SETTING OF THE BEVEL GEAR SET........................................215 Re-installation of brake pinion....................................................216 Re-installation of brake group.....................................................217 Installation of the rear transmission cover........................................219 Pre-load of the gear support.......................................................219 INSTALLATION OF HOUSING COVER..........................................................227 SPECIFICATIONS AND DATA....................................................................228 REDUCTION BEVEL GEAR SET (General data/dimensions).....................................228 PINION BRAKE SIDE......................................................................230 BRAKES.................................................................................231 BRAKE PEDAL VALVE......................................................................232 REAR TRANSMISSION (Section view transmission side).....................................234 UNDERCARRIAGE..................................................................................235 GENERAL DESCRIPTION........................................................................237 GENERALITIES...........................................................................237 MAIN COMPONENTS........................................................................238 TROUBLESHOOTING............................................................................241 INSPECTIONS................................................................................242 INSPECTION AND ADJUSTMENT OF TRACK CHAINS..............................................242 SETTING OF THE TRACK TENSIONER PRESSURE RELIEF VALVE...................................243 REPAIR PROCEDURES..........................................................................244 TRACK CHAIN (removal/installation).....................................................244 REPLACING A DAMAGED LINK AND RE-INSTALLATION...........................................246 IDLER (removal/installation/overhaul)..................................................248 TRACK CHAIN SUPPORT ROLLERS (removal/installation/overhaul)............................251 TRACK CHAIN BOTTOM ROLLERS (removal / installation / overhaul).........................253 SPECIFICATIONS AND DATA....................................................................257 IDLER..................................................................................257 SPROCKETS..............................................................................258 TRACK CHAINS...........................................................................258 BOTTOM ROLLERS.........................................................................259 SUPPORT ROLLERS........................................................................260 TRACK TENSIONER DEVICE.................................................................261 FRONT CROSS-MEMBER PIVOTS..............................................................262 WEAR LIMITS............................................................................266 DOZER EQUIPMENT HYDRAULIC SYSTEM...............................................................267 GENERAL DESCRIPTION........................................................................269 OPERATION OF THE HYDRAULIC SCIRCUIT....................................................269 DOZER EQUIPMENT HYDRAULIC SYSTEM DIAGRAM...............................................271 TESTS......................................................................................273 USE OF FLOW-METER......................................................................273 DELIVERY TEST IN THE SINGLE CIRCUITS...................................................273 REPAIR PROCEDURES..........................................................................274 HYDRAULIC OIL TANK (Removal/installation)..............................................274 Equipment hydraulic pump...............................................................276 HYDRAULIC CONTROL VALVE (removal/disassembly/overhaul).................................277 Installation of blade..................................................................278 SPECIFICATIONS AND DATA....................................................................279 Hydraulic control valve................................................................279 POWER HYDRAULIC PUMP...................................................................280 PILOT VALVE POWER VALVE BLOCK (Ref. Va hydraulic diagram)..............................281 BLADE LIFTING CYLINDER JOINT...........................................................282 BLADE LIFTING CONTROL CYLINDER (Angledozer version)....................................283 BLADE LIFTING CONTROL CYLINDER (Bulldozer version).....................................284 BLADE TILT CYLINDER (PAT version)......................................................285 BLADE TILT CYLINDER (Bulldozer version)................................................286 BLADE ANGLE CYLINDER (PAT version for LT and XLT)......................................287 BLADE ANGLE CYLINDER (PAT version for LGP).............................................288 RIPPER RP12F CYLINDER..................................................................289 RP10F RIPPER CYLINDER..................................................................290 PUSH BEAMS AND BLADE RODS..............................................................291 C-FRAME AND RODS.......................................................................292 RIPPER (LT, XLT version)...............................................................293 RIPPER (LGP version)...................................................................294 ELECTRICAL SYSTEM..............................................................................295 SAFETY RULES...............................................................................297 ELECTRICAL SYSTEM DIAGRAM - PROTECTION TREE................................................298 FUSES......................................................................................299 FUSE "LINKS" AND COLD STARTING.............................................................300 MAIN SWITCH................................................................................301 ENGINE STARTER SWITCH......................................................................301 BACK-UP ALARM..............................................................................302 STARTER MOTOR..............................................................................302 ANGLE CONTROL..............................................................................303 INSTRUMENT PANEL/MONITOR...................................................................304 ELECTRIC DIAGRAM OF INSTRUMENT/MONITOR PANEL...............................................306 MONITOR SENDERS............................................................................307 DISPLAY....................................................................................311 BUZZER.....................................................................................313 RELAY - DIODES - DIVERTER BOX GROUP........................................................314 MAIN CONNECTORS 19 - 21 - 23 WAYS..........................................................317
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PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
S.M
