Komatsu Mini Excavator PC95-1 service & repair manual

Description Komatsu Mini Excavator PC95-1 service & repair manual

Komatsu Mini Excavator PC95-1 pdf workshop service repair manual + operation & maintenance manual

Serial number 5000007 and up

MANUAL CONTENT:
STRUCTURE AND FUNCTION
P.T.O
Power train
Final drive - sprocket
Track frame
Idler and recoil spring
Carrier roller
Track roller
Track shoe
Swing circle
Swing machinery
Check valve and oil cooler safety by-pass
Hydraulic circuit diagram
Main hydraulic pump
Pump drive
Summation horsepower control
3 circuit control valve
Mode-system
Auxiliary pump
Control valve (ports)
Control valve (valve)
Swing motor
Swing motor relief valve
Center swivel joint
Travel motor
Travel acceleration valve
Servocontrol feed unit
Swing motor braking circuit selector valve
Accumulator
R.H. PPC valve
L.H. PPC valve
Travel PPC valve
2nd boom PPC valve
Boom swing PPC valve
Blade PPC valve
Blade safety valve
Solenoid valves
Electrical circuit diagram (1 - Engine line)
Electrical circuit diagram (2 - Solenoid valve line)
Electrical circuit diagram (3 - Light line)

TESTING AND ADJUSTMENTS
Normal or standard technical data
Equipment for testing, adjusting and identifying faults
Measuring the engine speed
Valve clearance adjustment
Measurement of compression pressure
Checking and tightening the fan-belt
Adjusting the stroke of the accelerator lever
Adjusting PPC valve clearance
Adjusting the safety microswitches
Centring the stroke of the blade control lever
Measuring the swing circle axial clearance
Testing and adjusting track-shoe tension
Bleeding air from the main pumps (P1 and P2)
Bleeding air from the PPC valves circuits
Bleeding air from the cylinders
Releasing residual pressure from the circuits
Checking and regulating pressure in the hydraulic circuits
Checking the intervention point of the flow regulator
Checking the intervention point for horsepower control of the 3-circuit valve
Checking and adjusting pressures in the servocontrol supply units
Adjusting the main safety valve of pump P4
Measuring pump delivery
Measuring travel deviation
Adjusting the maximum speed of the travel motors
Checking that the travel speed increment is functioning correctly
Testing for internal oil leakage in the travel motors
Adjusting boom and arm safety valves
Adjusting 2nd boom safety valves
Measuring the initial intervention point of the pressure switch that signals overloadin
Adjusting the valve that regulates the closing speed of the 2nd boom
Measurement of internal oil leakages in the swing motor
Checking for leakages inside the swivel joint
Analysis of the causes of hydraulic drifts
1. Boom test
2. Arm test
3. Testing the functionality of the boom and the arm safety valve
4. 2nd boom test
5. Testing the functionality of the 2nd boom safety valves
6. Bucket test
7. Boom swing test
8. Blade test
9. Swing motor test
10. Travel motor test
Troubleshooting

DISASSEMBLY AND ASSEMBLY
PRECAUTIONS TO BE TAKEN WHILE WORKING
SPECIAL TOOLS
STARTING MOTOR
ALTERNATOR
NOZZLE HOLDER
AIR FILTER GROUP
MUFFLER
ENGINE HOOD
FIXED HOOD
SEAT
CABIN
COUNTERWEIGHT
RADIATOR
HYDRAULIC OIL COOLER
HEATING FAN
FUEL TANK
HYDRAULIC OIL TANK
ENGINE-PUMP GROUP
PUMP GROUP
HYDRAULIC PUMP
GEAR-PUMP
ENGINE-PUMP COUPLING JOINT
SWIVEL JOINT
SWING MACHINERY
REVOLVING FRAME
SWING CIRCLE
TRAVEL MOTOR
TRACK-SHOES
SPROCKET
FINAL DRIVE
IDLER AND RECOIL SPRING
IDLER
RECOIL SPRING AND CYLINDER
TRACK ROLLER
CARRIER ROLLER
R.H. PPC VALVE (Boom-Bucket)
L.H. PPC VALVE (Arm - Swing)
BLADE PPC VALVE
PPC VALVE (For travel, boom swing, 2-piece boom)
SERVOCONTROL FEED UNIT
CONTROL VALVE
BOOM CYLINDER
BOOM CYLINDER  (2-piece boom version)
ARM CYLINDER
BUCKET CYLINDER
BOOM SWING CYLINDER
BLADE CYLINDER
WORK EQUIPMENT CYLINDERS
OVERLOAD SENSOR
WORK EQUIPMENT
WORK EQUIPMENT (For the 2-piece boom version)
BUCKET
ARM
2-PIECE BOOM
BOOM
BOOM (2-piece boom version)
SWING BRACKET
BLADE

MAINTENANCE STANDARD
P.T.O
Travel machinery
Sprocket
Track frame and recoil spring
Idler
Carrier roller
Track roller
Track shoe
Swing circle
Swing machinery
Check valve and oil cooler safety by-pass
Pump drive
Summation horsepower control -Mode system
Auxiliary pump
Control valve
Swing motor relief valve
Travel motor
Servocontrol feed unit
L.H. and R.H. PPC valve
2 nd boom, R.H. travel, L.H. travel and boom swing PPC valve
Blade PPC valve
Blade safety valve
Cylinders
Work equipment

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