Bulldozers Komatsu D275A, owners e-manual

Content

General Information

Design, operation and maintenance standards

• Power transmission
• General view of the power transmission
• Damper and universal joint
• Torque converter, power take-off
• Torque converter, PTO (lockup clutch)
• Torque converter (lockup clutch)
• Torque converter valve
• Torque converter valve (with lock-up clutch)
• Extraction pump
• Transmission controls
• Gearbox
• Transmission ECMV valve
• Head unloader valve and torque converter valve
• Power train pump, steering gear lube pump
• Grease relief valve
• Steering, brake control
• Bevel gear shaft, steering clutch and brake
• Steering control valve
• Steering clutch ECMV valve
• Steering Brake ECMV
• Parking brake valve
• Brake safety valve
• Optional power train relief valves for cold start
• Final drive
• Asterisk
• Crawler frame
• Tension spring
• Guide wheel
• Support roller
• Carrier roller
• Track roller trolley
• Track chain
• Main frame
• Pendant
• Working hydraulic system diagram equipped
• Piping diagram PPC control holster
• Work equipment controls
• Implement pump
• Radiator fan pump
• Radiator fan motor
• Hydraulic tank
• Hydraulic accumulator
• ppc lockout valve
• PPC valve
• Piston valve
• Quick release valve
• Finger puller switch
• Electro-machine finger puller valve
• Diverter valve
• Control valve operation
• Cylinder support
• Dump
• Ripper equipment
• Cabin mount
• Cab
• Conditioner
• Engine controls
• Engine retarder
• Control system
• Control panel
• Sensors
• Electrical equipment
• Joystick control system
• Preheater system
• Points to remember when troubleshooting
• How to use the troubleshooting tables
• Engine starts with difficulty (starting always takes time)
• Engine won't start
• Engine won't crank
• Engine cranks but no exhaust gases come out (no fuel injection)
• Exhaust gases come out, but the engine does not start (fuel injection is present)
• Engine revs unevenly (poor revs)
• Engine stops during operation
• Engine runs uneven
• Exhaust gases are black
• Excessive oil consumption (or exhaust gases are blue)
• Oil gets dirty quickly
• Excessive fuel consumption
• Oil in the coolant or splashing or low Coolant level
• The oil pressure warning light comes on
• The oil level is rising
• The coolant temperature becomes excessively high (overheating)
• Extraneous noise is heard
• Excessive vibration
• How to use the troubleshooting tables
• Engine starts with difficulty (starting always takes time)

Checking and adjusting

• Regulatory tables
• Table of standard values ​​for the engine
• Chassis guideline table
• Checking and adjusting
• Troubleshooting

Disassembly and assembly

• How to use this manual
• Work Precautions
• Removing the starter assembly
• Installing the starter assembly
• Removing the generator assembly
• Installing the complete generator
• Removing the inner element of the engine oil cooler assembly
• Installing the engine oil cooler inner assembly
• Removing the high pressure fuel pump assembly
• Installation high pressure fuel pump assembly
• Special tool drawing
• Removing the water pump assembly
• Installing the water pump assembly
• Removing the nozzle holder assembly
• Installing the nozzle holder assembly
• Removing the turbocharger assembly
• Installing the turbocharger assembly
• Removing the front engine seal
• Installing the engine front oil seal
• Removing the rear engine seal
• Installing the engine rear oil seal
• Removing the cylinder head assembly
• Installing the cylinder head assembly
• Removing the thermostat assembly
• Installing the thermostat assembly
• Removal and installation of the fuel tank assembly
• Removing and installing the main radiator assembly
• Removing and installing the optional heatsink assembly
• Removing and installing hydraulic oil cooler assembly
• Removing and installing a radiator assembly
• Removing and installing the engine
• Removing and installing damper assembly
• Disassembly and assembly of the damper assembly
• Removing and installing power train assembly
• Disconnecting and Connecting the Power Train Assembly
• Disassembly and assembly of the power take-off assembly
• Disassembly and assembly of the torque converter assembly
• Disassembly and assembly of the gearbox assembly
• Disassembly and assembly of the steering gear housing assembly
• Removing and installing the suction pump
• Removing and installing implement pump assembly
• Removing and installing blower pump assembly
• Removing and installing the power train and steering oil pump assembly
• Removing and installing final drive assembly
• Disassembly and assembly of the final drive assembly
• Removing and installing track frame assembly
• Removal and installation of the guide wheel assembly
• Disassembly and assembly of the guide wheel assembly
• Removing and installing tension spring assembly
• Disassembly and assembly of the tension spring assembly
• Removing and installing the track roller assembly
• Disassembly and assembly of the track roller assembly
• Removing and installing carrier roller assembly
• Disassembly and assembly of the support roller assembly
• Removal and installation of the 1st cart assembly
• Removal and installation of the 2nd, 3rd and 4th cart assembly
• Disassembly and assembly of the cart assembly
• Uncoupling and installing track assembly
• Field Assembly and Disassembly of the track assembly
• Removing and installing kingpin assembly
• Removal and installation of the balance beam assembly
• Disassembly and assembly of the balance beam bushing
• Removing and installing implement control valve assembly
• Dismantling and assembly of the hydraulic cylinder assembly
• Blade assembly removal and installation
• Ripper assembly disassembly and assembly
• Removing and installing operator cab assembly
• Removing and installing floor frame assembly
• Removal and installation of the transmission controller assembly
• Removal and installation of the steering controller assembly
• Removal and installation of the engine hood assembly
• Removing and installing fan drive assembly
• Removing and installing fan motor
• Removing the fire heater
• Installing the fired heater assembly

Other

• Power transmission hydraulic schematic
• Working equipment hydraulic schematic
• Circuit diagram
• Cabin wiring diagram
• Diagram of electrical equipment of the air conditioner

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