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Komatsu D55-3 Dozer Shovel Service Repair Manual – PDF Download
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Komatsu D55-3 Dozer Shovel Service Repair Manual
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Description
Komatsu D55-3 Dozer Shovel Service Repair Manual
Description:
Komatsu D55-3 Dozer Shovel Service Repair Manual
(1) Before starting to disassemble any part of the machine, study the Parts Book and Service Manual. giving par- ticular attention to the-servicing cri- teria and standards indicated in these publications, to gain a full understand- ing of the mechanical component to be disassembled. Knowledge of the con- struction and functions of the compo- nent is an essential (actor of success- ful servicing work.
(2) When draining out lubricants and hydraulic oil, be sure to take note of the color, viscosity and cleanliness with which the oil comes out. Oil in service often suggests the condition of the parts served, particularly when the oil lubricates gears or bearings.
(3) It is advisable and often mandatory to put match marks across mating joint lines before separating or re- moving parts, and to scribe identifi- cation marks on identical parts such as pistons and valves in the engine. This provision that you make at the time of disassembling will greatly {a- cilitate your re-assembling work.
(4) Disassembly assumes that you care~ fully note the orientation or position of each part. as necessary. and the sequence of taking one part after an- other from the machine. What you have so noted at the time of disas- sembling will be an assurance of your restoring or re-assembling the parts correctly,
Table of Contents:
Komatsu D55-3 Dozer Shovel Service Repair Manual
COVER......................................................................... 1 GENERAL....................................................................... 2 FOREWORD.................................................................. 3 SPECIFICATIONS................................................................ 5 SPECIFICATIONS............................................................ 6 POWER TRAIN............................................................... 11 GENEARAL INSTRUTIONS.......................................................... 13 INSTRUCTIONS FOR DISASSEMBLING WORK....................................... 14 INSTRUCTIONS FOR RE-ASSEMBLING WORK....................................... 14 INSTRUCTIONS FOR ADJUSTING WORK........................................... 15 INSTRUCTIONS FOR USE OF HAND TOOLS........................................ 15 INSTRUCTIONS FOR HANDLING BEARINGS IN DISASSEMBLING/RE-ASSEMBLING WORK.... 15 INSTRUCTIONS FOR HANDLING OIL SEALS....................................... 16 INSTRUCTIONS FOR HANDLING SNAP RINGS...................................... 17 INSTRUCTIONS FOR HANDLING GASKETS AND PACKINGS............................ 17 WEIGHTS OF MAJOR ASSEMBLIES............................................... 18 TORQUE LIMIT CHART........................................................ 18 ENGINE........................................................................ 19 RADIATOR.................................................................. 20 REMOVAL............................................................... 20 INSTALLATION.......................................................... 22 ENGINE.................................................................... 23 REMOVAL............................................................... 23 INSTALLATION.......................................................... 25 TORQUE CONVERTER.............................................................. 26 DESCRIPTION............................................................... 27 REMOVAL................................................................... 29 DISASSEMBLING............................................................. 31 ASSEMBLING................................................................ 32 INSTALLATION.............................................................. 33 TORQUE TRANSMISSION........................................................... 34 DESCRIPTION............................................................... 35 POWER TRANSMITTING GROUP.............................................. 35 A. OPERATING PRINCIPLE OF THE PLANETARY GEARING................... 35 B. CONSTRUCTION AND FUNCTION...................................... 38 C. SELECTIVE PATHS OF POWER THROUGH TRANSMISSION.................. 39 REMOVAL................................................................... 44 DISASSEMBLING............................................................. 46 CLEANING AND INSPECTION................................................... 53 ASSEMBLING................................................................ 53 INSTALLATION.............................................................. 54 CONTROL VALVE............................................................. 55 DESCRIPTION........................................................... 55 A. VALVE FUNCTION................................................. 56 B. HYDRAULIC OIL FLOWS............................................ 56 C. TORQUE CONVERTER INLET RELIEF VALVE............................ 59 D. TRANSMISSION LUBRICATION RELIEF VALVE.......................... 59 DISASSEMBLING............................................................. 60 CLEANING AND INSPECTION................................................... 62 RANGE TRANSMISSION............................................................ 63 DESCRIPTION............................................................... 64 A. CONSTRUCTION OF RANGE TRANSMISSION................................. 64 B. SHIFTER FORK....................................................... 66 C. INTERLOCK.......................................................... 67 REMOVAL................................................................... 68 DISASSEMBLING............................................................. 69 CLEANING AND INSPECTION................................................... 72 ASSEMBLING................................................................ 72 INSTALLATION.............................................................. 72 RANGE TRANSMISSION SHIFTER................................................ 73 REMOVAL............................................................... 73 DISASSEMBLING......................................................... 74 CLEANING AND INSPECTION............................................... 76 ASSEMBLING............................................................ 76 INSTALLATION.......................................................... 76 BEVEL GEAR AND BEVEL GEAR SHAFT............................................... 77 DESCRIPTION............................................................... 78 REMOVAL................................................................... 79 DISASSEMBLING............................................................. 80 CLEANING AND INSPECTION................................................... 82 ASSEMBLING................................................................ 83 INSTALLATION.............................................................. 83 ADJUSTMENT................................................................ 84 TOOTH CONTACT ADJUSTMENT.................................................. 85 STEERING SYSTEM............................................................... 86 STEERING CLUTCHES AND BRAKES.............................................. 87 DESCRIPTION........................................................... 87 A. STEERING CLUTCHES.............................................. 87 B. STEERING BRAKES................................................ 89 REMOVAL............................................................... 90 DISASSEMBLING......................................................... 92 CLEANING AND INSPECTION............................................... 93 ASSEMBLING............................................................ 94 INSTALLATION.......................................................... 94 ADJUSTMENT............................................................ 94 STEERING CONTROL VALVE.................................................... 95 DESCRIPTION........................................................... 95 REMOVAL............................................................... 97 DISASSEMBLING......................................................... 98 CLEANING AND INSPECTION...............................................100 ASSEMBLING............................................................100 INSTALLATION..........................................................100 ADJUSTMENT............................................................101 FINAL DRIVE...................................................................102 DESCRIPTION...............................................................103 REMOVAL...................................................................105 DISASSEMBLING.............................................................106 CLEANING AND INSPECTION...................................................111 ASSEMBLING................................................................111 UNDERCARRIAGE.................................................................112 GENERAL...................................................................113 TRACK FRAME...............................................................114 DESCRIPTION...........................................................114 REMOVAL...............................................................115 INSTALLATION..........................................................116 RECOIL SPRING.............................................................117 DESCRIPTION...........................................................117 REMOVAL...............................................................117 DISASSEMBLING.........................................................118 INSPECTION............................................................119 ASSEMBLING............................................................120 FRONT IDLER...............................................................121 DESCRIPTION...........................................................121 REMOVAL...............................................................122 DISASSEMBLING.........................................................122 CLEANING AND INSPECTION...............................................123 ASSEMBLING............................................................124 INSTALLATION..........................................................124 CARRIER ROLLER............................................................125 DESCRIPTION...........................................................125 REMOVAL...............................................................126 DISASSEMBLING.........................................................127 CLEANING AND INSPECTION...............................................128 INSTALLATION..........................................................128 TRACK ROLLERS.............................................................129 DESCRIPTION...........................................................129 REMOVAL...............................................................129 DISASSEMBLING.........................................................130 CLEANING AND INSPECTION...............................................131 INSTALLATION..........................................................131 TRACKS....................................................................132 DESCRIPTION...........................................................132 REMOVAL...............................................................133 DISASSEMBLING.........................................................134 INSPECTION............................................................134 ASSEMBLING............................................................134 SUSPENSION................................................................135 DESCRIPTION...........................................................135 REMOVAL...............................................................136 INSPECTION............................................................136 INSTALLATION..........................................................136 FUEL TANK.....................................................................137 DESCRIPTION...............................................................138 REMOVAL...................................................................139 DISASSEMBLING.............................................................139 CLEANING AND INSPECTION...................................................140 ASSEMBLING................................................................140 ELECTRICAL EQUIPMENT..........................................................141 ELECTRICAL EQUIPMENT......................................................142 DOZER GROUP...................................................................143 DESCRIPTION...............................................................144 SAFETY DEVICE FOR SHOVEL ATTACHMENT...................................145 REMOVAL...................................................................147 DISASSEMBLING.............................................................148 INSPECTION................................................................149 ASSEMBLING................................................................149 ADJUSTMENT................................................................149 A. KICKOUT ADJUSTMENT.................................................149 B. POSITION ADJUSTMENT................................................150 HYDRAULIC SYSTEM..............................................................151 GENERAL...................................................................152 HYDRAULIC TANK............................................................153 DESCRIPTION...........................................................153 CONTROL VALVE.............................................................154 DESCRIPTION...........................................................154 REMOVAL...............................................................158 DISASSEMBLING.........................................................159 CLEANING AND INSPECTION...............................................161 INSTALLATION..........................................................161 ADJUSTMENT FOR HYDRAULIC PRESSURE.....................................162 HYDRAULIC PUMP............................................................163 DESCRIPTION...........................................................163 HYDRAULIC FILTER..........................................................164 DESCRIPTION...........................................................164 REMOVAL...............................................................164 DISASSEMBLING.........................................................165 CLEANING AND INSPECTION...............................................166 ASSEMBLING............................................................166 LIFT CYLINDER.............................................................167 DESCRIPTION...........................................................167 REMOVAL...............................................................168 DISASSEMBLING.........................................................169 CLEAN AND INSPECTION..................................................170 ASSEMBLING............................................................170 TILT CYLINDER.............................................................171 DESCRIPTION...........................................................171 REMOVAL...............................................................172 DISASSEMBLING.........................................................173 ASSEMBLING............................................................174 SIDE FRAME....................................................................175 DESCRIPTION...............................................................176 REMOVAL...................................................................177 INSTALLATION..............................................................182 MAINTENANCE STANDARDS.........................................................183 MAINTENANCE STANDARDS.....................................................184
Screenshot Of The Manual:
KOMATSU D55-3 DOZER SHOVEL SERVICE REPAIR MANUAL – PDF DOWNLOAD:
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⦁ 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]
