Komatsu Bulldozer D275A-2 SN 10001-UP Factory Workshop Service Repair Manual

Komatsu Bulldozer D275A-2 SN 10001-UP Factory Workshop Service Repair Manual

Loaded with Hi Resolution illustrations, instructions, photos, and diagrams, complete to service and repair your Komatsu. 

Pages: 700+

Models Covered :

D275A-2 SN 10001-UP

Manual Covers :

FOREWARD:

FOREWARD

HOW TO BE READ THE SHOP MANUAL

HOISTING INSTRUCTIONS

METHOD OF DIASSEMBLING, CONNEXTING PUSH-PULL TYPE COUPLER

COATING MATERIALS

STANDARD TIGHENING TORQUE

ELECTRIC WIRE

CONVERSION TABLE

UNITS

GENERAL:

GENERAL ASSEMBLY DRAWING

SPECIFICATIONS

WEIGHT TABLE

LIST OF LUBRICANT  AND WATER

STRUCTURE AND FUNCTION:

GENERAL

POWER TRAIN

POWER TRAIN UNIT

POWER TRAIN UNIT MOUNT

POWER TRAIN PIPING

POWER TRAIN HYDRAULIC CIRCUIT DIAGRAM

DAMPER AND UNIVERSAL JOINT

TORQUE CONVERTER – PTO

TORQUE CONVERTER VALVE

TRANSMISSION

TRANSMISSION CONTROL

TRANSMISSION CONTROL VALVE

TRANSMISSION LUBRICATION RELIEF VALVE

SCAVENGING PUMP

OIL STRAINER

POWER TRAIN OIL FILTER AND LUBRICATION OIL FILTER

STEERING UNIT

TRANSFER, BEVEL PINION

BEVEL GEAR, STEERING CLUTCH AND STEERING BRAKE

STEERING CONTROL

STEERING CONTROL  VALVE

FINAL DRIVE

MAIN FRAME

TRACK GROUP

RECOIL SPRING

SUSPENSION

HYDRAULIC PIPING

HYDRAULIC CONTROL

HYDRAULIC CIRCUIT SYSTEM

HYDRAULIC CIRCUIT DIAGRAM

HYDRAULIC TANK

BLADE LIFT CONTROL VALVE

BLADE TILT CONTROL AND RIPPER LOW VALVE

RIPPER HIGH VALVE

RIPPER TILT SUCTION VALVE

PISTON VALVE

QUICK DROP VALVE

CYLINDER STAY

SEMI U-DOZER

RIPPER

PIN PULLER SOLENOID VALVE

ELECTRICAL CIRCUIT DIAGRAM

EVMS (ELECTRONIC VEHICLE MONITORING SYSTEM)

APS CONTROL SYSTEM

TORQUE CONVERTER LOCK-UP CONTROL SYSTEM

MODEL SELECTION SYSTEM

MACHINE MONITOR SYSTEM (WITH SSC SYSTEM)

ENGINE CONTROL SYSTEM

ELPC CONTROLLER

ELPC ACTUATOR

TORQUE CONVERTER LOCK-UP CONTROL SYSTEM

TESTING AND ADJUSTING:

STANDARD VALUE TABLE FOR ENGINE

STANDARD VALUE TABLE FOR CHASSIS

STANDARD VALUE TABLE FOR ELECTRICAL JUDGEMENT

TABLE OF TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING

TESTING AND ADJUSTING BELT TENSION

ADJUSTING VALVE CLEARANCE

MEASURING COMPRESSION PRESSURE

MEASURING BLOWBY

ADJUSTING FUEL INJECTION TIMING

MEASURING EXHAUST COLOR

MEASURING ENGINE OIL PRESSURE

MEASURING ENGINE SPEED  

MEASURING BOOST PRESSURE

MEASURING EXHAUST TEMPERATURE

ADJUSTMENT OF FUEL CONTROL LINKAGE

ADJUSTMENT OF FUEL CONTROL LINKAGE (WITH SSC SYSTEM)

ADJUSTMENT OF GEAR SHIFT LEVER LINKAGE

ADJUSTMENT OF STEERING CLUTCH LINKAGE

ADJUSTMENT OF BRAKE PEDAL LINKAGE

ADJUSTMENT OF WORK EQUIPMENT CONTROL LINKAGE  

ADJUSTING CLEARANCE OF IDLER

MEASURING SPEED AT TORQUE CONVERTER STALL

MEASURING SPEED AT TORQUE CONVERTER STALL + HYDRAULIC PUMP RELIEF (FULL STALL)

MEASURING POWER TRAIN OIL PRESSURE

TESTING  AND ADJUSTING WORK EQUIPMENT MAIN RELIEF PRESSURE

BLEEDING AIR FROM HYDRAULIC CYLINDER   

MEASURING LEAKAGE INSIDE CYLINDER

CHECKING LOCATION OF CAUSE OF HYDRAULIC DRIFT OF BLADE AND RIPPER

PROCEDURE FOR SIMPLE TEST OF STEERING BRAKE PERFORMANCE

PROCEDURE FOR TESTING SENSORS

TESTING AND ADJUSTING ELPC VALVE POTENTIOMETER (WITH SSC SYSTEM)

TROUBLESHOOTING

DISASSEMBLY AND ASSEMBLY:

METHOD OF USING MANUAL

PRECAUTIONS WHEN CARRYING OUT OPERATION

SPECIAL TOOL LIST  

STARTING MOTOR

ALTERNATOR

ENGINE OIL COOLER

TORQUE CONVERTER OIL COOLER

FUEL INJECTION PUMP

WATER PUMP

TURBOCHARGER

NOZZLE HOLDER

CYLINDER HEAD

FUEL TANK

RADIATOR AND FRONT GUARD

RADIATOR

RADIATOR GUARD

ENGINE

DAMPER

POWER TRAIN UNIT

PTO, TORQUE CONVERTER

TORQUE CONVERTER

PTO

TORQFLOW TRANSMISSION

STEERING CASE

STEERING CLUTCH, BRAKE

TRANSFER GEAR HOUSING

TORQUE CONVERTER VALVE

TRANSMISSION CONTROL VALVE

STEERING CONTROL VALVE

SCAVENGING PUMP

POWER TRAIN PUMP

FINAL DRIVE

TRACK FRAME

IDLER YOKE

RECOIL SPRING

IDLER

TRACK ROLLER

CARRIER ROLLER

TRACK  SHOE

PIVOT SHAFT TWISTING SEAL

PIVOT SHAFT

EQUALIZER BAR

EQUALIZER  BAR SIDE BUSHING

SUSPENSION CUSHION

SEGMENT TOOTH

HYDRAULIC PUMP

BLADE LIFT VALVE

BLADE TILT, RIPPER LOW VALVE

RIPPER HIGH VALVE

BLADE LIFT CYLINDER

BLADE TILT CYLINDER

RIPPER LIFT CYLINDER

RIPPER TILT CYLINDER

HYDRAULIC CYLINDER

WORK EQUIPMENT

RIPPER

MAINTENANCE STANDARD:

ENGINE MOUNT

POWER TRAIN MOUNT

DAMPER AND UNIVERSAL JOINT

TORQUE CONVERTER

TORQUE CONVERTER VALVE  

TRANSMISSION

TRANSMISSION CONTROL VALVE

POWER TRAIN AND LUBRICATING PUMP

TRANSFER AND BEVEL PINION

BEVEL GEAR SHAFT, STEERING CLUTCH AND STEERING BRAKE

STEERING CONTROL VALVE

FINAL DRIVE

MAIN FRAME

TRACK  FRAME

RECOIL SPRING

IDLER

TRACK ROLLER

CARRIER ROLLER

TRACK

SUSPENSION

HYDRAULIC PUMP

BLADE LIFT CONTROL VALVE   

BLADE TILT CONTROL AND RIPPER LOW VALVE

RIPPER HIGH VALVE

HYDRAULIC CYLINDER

QUICK DROP VALVE

CYLINDER STAY

SEMI U-DOZER

RIPPER

EXTRAS:

Operation and Maintenance Manual SN 10127-UP

Operation and Maintenance Manual SN 10001-10126

This manual is the same as the manual used by workshops. Service Manual contains detailed instructions and step by step diagrams for all workshop procedures.

Language: English 
Format: PDF

COMPATIBLE WITH ALL WINDOWS & MAC COMPUTERS 
(WINDOWS 11, WINDOWS 10, WINDOWS 8 ETC.)

Windows/Mac/Tablet/Phone Friendly

• Engine: The 
  D275A-2

   is powered by a Komatsu 

  S6D170-4

   turbocharged, six-cylinder diesel engine.

• Horsepower: The engine produces a gross power of 410 horsepower at 1800 revolutions per minute (RPM).
• Transmission: The transmission is a TF-type with three forward and three reverse gears.
• Operating weight: The total operating weight of the machine is approximately 110,231 pounds (50,000 kg).
• Fuel capacity: The fuel tank holds 222 gallons (840 liters). 

• Overall length: 29.71 feet with a standard blade attached.
• Height to cab: 12.98 feet.
• Track width: 9.63 feet.
• Standard blade capacity: The standard blade can hold up to 16.8 cubic yards.
• Hydraulic system: The gear-type pump has a flow capacity of 67.4 gallons per minute and a relief valve pressure of 2,987 psi. 

• Optional attachments: The 
  D275A-2

   can be equipped with various attachments, such as rippers and different blade configurations. One option is a single-shank ripper with a hydraulically controlled parallelogram.

• Standard equipment: Standard features include wet steering clutches and brakes, hydraulic track adjusters, and a monitor with a self-diagnostic function. 

• Manuals: Given the serial number (SN 10001-UP), specific service and parts manuals are available to ensure the correct procedures and parts are used for this range of equipment. These can be found on online marketplaces like eBay and Etsy.