This complete service repair workshop manual PDF download for the PC60-7 & PC60-7B Komatsu Hydraulic Excavator has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.
APPLICABLE MODELS :
Komatsu PC60-7 – SN: 52374 and up
Komatsu PC60-7B – SN: 52374 and up
Komatsu PC60-7 – SN: 55720 and up (For Norway)
Engine : 4D102-1 and 4D95LE-2
TABLE OF CONTENTS :
01 GENERAL
10 STRUCTURE AND FUNCTION
20 TESTING AND ADJUSTING
30 DISASSEMBLY AND ASSEMBLY
40 MAINTENANCE STANDARD
50 OTHER SPECIFICATION – PC60-7 (For Norway)
90 OTHERS
MANUAL SPECIFICATION :
File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Product Code : SEBM010911
Total Pages : 695
• PC60-7 mount the 4D102-1 and 4D95LE-2 engine.
For details of the engine, see the 102 and 95-2 Series Engine Shop Manual.
• For the PC60-7 for Norway (Serial No. 55720 and up),
the parts which different from the standard model have been put together and added as Section 50.
This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same Repair Service manual your local dealer will use when doing a repair.
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00 FOREWORD
HOW TO READ THE SHOP MANUAL
HOISTING INSTRUCTIONS
COATING MATERIALS
STANDARD TIGHTENING TORQUE
ELECTRIC WIRE CODE
CONVERSION TABLE
UNITS
01 GENERAL
DIMENSION
SPECIFICATIONS
WEIGHT TABLE
TABLE OF OIL AND COOLANT CAPACITIES
10 STRUCTURE AND FUNCTION
RADIATOR, OIL COOLER
PTO (COUPLING)
ENGINE CONTROL
POWER TRAIN DIAGRAM
SWING CIRCLE
SWING MACHINERY
TRACK FRAME
IDLER CUSHION
HYDRAULIC PIPING DRAWING
HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC TANK
HYDRAULIC PUMP
CONTROL VALVE
SELF-PRESSURE REDUCING VALVE
CLSS
SWING MOTOR
CENTER SWIVEL JOINT
TRAVEL MOTOR
VALVE CONTROL
WORK EQUIPMENT, SWING PPC VALVE
TRAVEL PPC VALVE
SERVICE PPC VALVE
SOLENOID VALVE
HYDRAULIC CYLINDER
WORK EQUIPMENT
WORK EQIPMENT PIN AUTOMATIC GREASING SYSTEM
ELECTRICAL ALLOCATION DIAGRAM (1/2)
ELECTRICAL ALLOCATION DIAGRAM (2/2)
ELECTRICAL CIRCUIT DIAGRAM
ELECTRICAL CONTROL SYSTEM
MACHINE MONITOR SYSTEM
20 TESTING AND ADJUSTING
STANDARD VALVE TABLE FOR ENGINE RELATED PARTS
STANDARD VALUE TABLE FOR CHASIS RELATED PARTS
STANDARD VALUE TABLE FOR ELECTRICAL RELATED PARTS
TOOLS FOR TESTING, ADJUSTING AND TROUBLESHOOTING
MEASURING ENGINE SPEED
MEASURING EXHAUST GAS COLOR
ADJUSTING VALVE CLEARANCE
MEASURING COMPRESSION PRESSURE
MEASURING BLOWBY PRESSURE
TESTING AND ADJUSTING FUEL INJECTION TIMING
MEASURING ENGINE OIL PRESSURE
TESTING AND ADJUSTING ALTERNATOR BELT TENSION
ADJUSTING ENGINE STOP SOLENOID LINKAGE
ADJUSTING FUEL CONTROL LINKAGE
TESTING AND ADJUSTING OF HYDRUALIC PRESSURE IN WORK EQUIPMENT, SWING AND TRAVEL CIRCUITS
ADJUSTING PC VALVE
MEASURING LS DIFFERENTIAL PRESSURE AND ADJUSTING LS VALVE
TESTING HYDRAULIC PRESSURE IN THE CONTROL CIRCUIT
TESTING OUTLET PRESSURE OF SOLENOID VALVE
MEASURING PPC VALVE OUTPUT PRESSURE
ADJUSTING WORK EQUIPMENT AND SWING PPC VALVE
TESTING TRAVEL DEVATION
MEASURING OIL LEAKAGE
RELEASING REMAINING PRESURE IN HYDRAULIC CIRCUIT
CHECKING OF CLEARANCE OF SWING CIRCLE BEARING
CHECKING AND ADJUSTING OF TRACK SHOE TENSION
TESTING WEAR OF SPROKET
BLEEDING AIR
AUTOMATIC GREASING CONTROLLER
TROUBLESHOOTING
POINTS TO REMEMBER WHEN TROUBLESHOOTING
SEQUENCE OF EVENTS IN TROUBLESHOOTING
POINTS TO REMEMBER WHEN CARRING OUT MAINTENANCE
CHECKS BEFORE TROUBLESHOOTING
CONNECTOR TYPES AND MOUNTING LOCATIONS
CONNECTION TABLE FOR CONNECTOR PIN NUMBERS
METHOD OF USING JUDGEMENT TABLE
METHOD OF USING TROUBLESHOOTING CHARTS
FAILURE MODES AND JUDGEMENT TABLE
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E MODE)
E-1 WORK EQUIPMENT DOES NOT MOVE EVEN WHEN THE PPC HYDRAULIC PRESSURE LOCK LEVER IS SET TO THE DRIVE SIDE
E-2 WORK EQUIPMENT DOES NOT MOVE EVEN IF THE PPC HYDRAULIC PRESSURE LOCK LEVER IS AT THE LOCK POSITION
E-3 DOES NOT SWING
E-4 SWING BRAKE DOES NOT WORK
E-5 TRAVEL SPEED CANNOT BE SWITCHED
A) CANNOT BE SWITCHED TO HI
B) CANNOT BE SWITCHED TO LO
E-6 POWER MODE CANNOT BE CHANGED
A) WORK EQUIPMENT SPEED IS SLOW WHEN ENGINE SPEED IS MIDDLE AND HIGHER
B) EXCESSIVE ENGINE SPEED DROP AT ENGINE SPEED MIDDLE AND LOWER
E-7 ENGINE DOES NOT START
A) STARTER DOES NOT WORK
B) ENGINE STOP SOLENOID DOES NOT WORK
E-8 ENGINE DOES NOT STOP
E-9 WIPER DOES NOT WORK
TROUBLESHOOTING OF ENGINE (S MODE)
METHOD OF USING TROUBLESHOOTING CHART
S-1 STARTING PERFORMANCE IS POOR (STARTING ALWAYS TAKES TIME)
S-2 ENGINE DOES NOT START
(1) ENGINE DOES NOT TURN
(2) ENGINE TURNS NO BUT EXHAUST SMOKE COMES OUT (FUEL IS NOT BEING INJECTED)
(3) EXHAUST SMOKE COMES OUT BUT ENGINE DOES NOT START (FUEL IS BEING INJECTED)
S-3 ENGINE DOES NOT PICK UP SMOOTHLY (FOLLOW-UP IS POOR)
S-4 ENGINE DOES S-4 ENGINE STOPS DURING OPERATIONS
S-5 ENGINE DOES NOT ROTATE SMOOTHLY (HUNTING)
S-6 ENGINE LACKS OUTPUT (OR LACKS POWER)
S-7 EXHAUST SMOKE IS BLACK (INCOMPLETE COMBUSTION)
S-8 OIL CONSUMPTION IS EXCESSIVE (OR EXHAUST GAS IS BLUE)
S-9 OIL BECOMES CONTAMINATED QUICKLY
S-10 FUEL CONSUMPTION IS EXCESSIVE
S-11 OIL IS IN COOLING WATER, OR WATER,
S-12 OIL PRESSURE CAUTION LAMP LIGHTS UP (DROP IN OIL PRESSURE)
S-13 OIL LEVEL RISES (WATER, FUEL IN OIL)
S-14 WATER TEMPERATURE BECOMES TOO HIGH (OVERHEATING)
S-15 ABNORMAL NOISE IS MADE
S-16 VIBRATION IS EXCESSIVE
TROUBLESHOOTING OF HYDRAULIC AND MECHANICAL SYSTEM (H MODE)
TROUBLESHOOTING FLOW CHARTS FOR EACH FAILURE MODE
ALL WORK EQUIPMENT, TRAVEL, SWING
H-1 SPEEDS OF ALL WORK EQUIPMENTS, SWING AND TRAVEL ARE SLOW OR LACK OF POWER
H-2 EXCESSIVE DROP IN ENGINE SPEED, OR ENGINE STALLS
H-3 ALL WORK EQUIPMENTS, TRAVEL AND SWING DO NOT MOVE
H-4 ABNORMAL SOUND IS GENERATED (AROUND THE PUMP)
H-5 FINE CONTROL ABILITY IS POOR, OR RESPONSE IS POOR
WORK EQUIPMENT
H-6 BOOM MOVEMENT IS SLOW OR LACKS OF POWER
H-7 ARM MOVEMENT IS SLOW OR LACKS OF POWER
H-8 BUCKET MOVEMENT IS SLOW OR LACKS OF POWER
H-9 WORK EQUIPMENT (BOOM, ARM, BUCKET) DOES NOT MOVE (BUT TRAVEL AND SWING ARE NORMAL)
H-10 EXCESSIVE HYDRAULIC DRIFT (BOOM, ARM, BUCKET)
H-11 EXCESSIVE TIME LAG (ENGINE AT LOW SPEED)
COMPOUND OPERATIONS
H-12 IN COMPOUND OPERATIONS, WORK EQUIPMENTS, MOVEMENT OF ONE WITH LARGER LOAD IS SLOW
H-13 IN SING+ BOOM RAISE OPERATION, BOOM RAISE MOVEMENT IS SLOW
H-14 IN TRAVEL + SWING OPERATION, TRAVEL SPEED DROP IS EXCESSIVE
H-15 IN TRAVEL + WORK EQUIPMENT (BOOM RAISE) OPERATION, TRAVEL SPEED DROP IS EXCESSIVE
TRAVEL SYSTEM
H-16 VEHICLE CURCES UNINTENTIONALLY DURING TRAVEL
H-17 TRAVEL DEVIATION IS LARGER AT STARTING
H-18 TRAVEL SPEED IS LOW, OR LACKS OF POWER
H-19 STEERING OPERATION IS DIFFICULT
H-20 TRAVEL SPEED CANNOT BE SWITCHED
H-21 TRAVEL DOES NOT WORK (ONE SIDE ONLY)
SWING SYSTEM
H-22 DOES NOT SWING (BOTH SIDES, ONE SIDE ONLY)
H-23 SWING ACCELERATION IS POOR
H-24 EXCESSIVE OVERRUN WHEN STOPPING SWING (BOTH SIDES, ONE SIDE ONLY)
H-25 EXCESSIVE SHOCK WHEN STOPPING SWING (ONE DIRECTION ONLY)
H-26 EXCESSIVE ABNORMAL NOISE WHEN STOPPING SWING (ONE DIRECTION ONLY)
H-27 EXCESSIVE HYDRAULIC DRIFT OF SWING (WHEN THE SWING BRAKE IS RELEASED OR ACTIVATED)
H-28 SWING SPEED IS FASTER THAN THE SPECIFIED SPEED
H-29 BLADE SPEED IS SLOW, OR LACK OF POWER
H-30 BLADE DOES NOT MOVE
H-31 EXCESSIVE HYDRAULIC DRIFT OF THE BLADE
TROUBLESHOOTING OF MACHINE MONITOR SYSTEM (M MODE)
ELECTRIC CIRCUIT DIAGRAM OF THE MACHINE MONITOR SYSTEM
M-1 NO INDICATOR LAMP LIGHTS UP WHENTHE STARTING SWITCH IS TURNED ON (3-SECOND SELF-CHECK IS NOT CARRIED OUT EITHER)
M-2 ALL THE LAMPS REMAIN LIGHTING-UP AFTER 3-SECOND SELF-CHECK COMPLETED AFTER THE STARTING SWITCH TURNED ON
M-3 SOME LAMPS DO NOT LIGHT UP DURING SELF-CHECK (ALL LAMPS LIGHTS UP FOR 3 SECONDS) UPON STARTING SWITCH ON
A) ALL GAUGE LAMPS DO NOT LIGHT UP (CAUTION LAMP DOES LIGHT UP)
B) SWING LOCK, AUTO-GREASING FAILURE OR PREHEAT DOES NOT LIGHT UP (ALL GAUGE LAMPS LIGHT UP)
C) CHARGE CAUTION LAMP DOES NOT LIGHT UP
D) ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP
M-4 WHEN TURNING ON THE POWER
M-5 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), CHARGE CAUTION LAMP DOES NOT LIGHT UP
M-6 AT PREHEATNG, PREHEATING INDICATOR DOES NOT LIGHTS UP
M-7 THOUGH THE SWITCH IS OPERATED, SWING LOCK DOES NOT LIGHT UP
M-8 WHILE ENGINE RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP (ENGINE OIL PRESSURE IS NORMAL)
M-9 CHARGE CAUTION LAMP LIGHTS UP WHILE ENGINE RUNNING
M-10 ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE
A) INDICATOR REMAINS IN THE LOWER LEVEL (WHITE RANGE) AND DOES NOT RISE AFTER ENGINE STARTED
B) LEVEL RISES IMMEDIATELY AFTER STARTING THE ENGINE. INDICATOR GOES IN THE RED RANGE THOUGH OVERHEAT DOES NOT OCCUR
C) ENGINE WATER TEMPERATURE GAUGE LAMP GOES OFF
M-11 ABNORMALITY IN FUEL GAUGE
A) ALL SEGMENTS
B) FUEL GAUGE INDICATES FULL THOUGH THE LEVEL IS LOW
C) FUEL GAUGE DOES NOT INDICATE FULL THOUGH THE TAKIS FULL
M-12 MALFUNCTION OF THE BUZZER
A) BUSER DOES NOT SOUND
B) BUZZER DOES NOT STOP SOUNDING
M-13 SERVICE METER DOES NOT WORK WHILE THE ENGINE IS RUNNING
A) WHEN THE CAHARGE CAUTION LAMP DOES NOT LIGHT UP
B) WHEN THE CHARGE CAUTION LAMP LIGHTS UP (AUTO-GREASING CONTROLLER IS NORMAL)
M-14 AUTO-GREASING ABNORMALITY ALARM LIGHTS UP (AUTO-GREASING CONTROLLER IS NORMAL)
M-15 LLUMINATION DOES NOT LIGHT UP
A) ILLUMINATION AT GAUGE SECTION DOES NOT LIGHT UP
B) ILLUMINATION AT THE SERVICE METER SECTON DOES NOT LIGHT UP (SERVICE METER ITSELF DO WORK NORMALLY
M-16 HEATER DOES NOT WORK
A) BOTH HI AND lO DO NOT WORK
B) LO ONLY DES NOT WORK
C) HI ONLY DOES NOT WORK
TROUBLESHOOTING OF AUTO-GREASING SYSTEM (D MODE)
D-1 [ALTERNATE BLINKING OF [E] AND [A]] ABNORMALITY IN PUMP PRESSURIZATION IS DISPLAYED
D-2 [ALTERNATE BLINKING OF [E] AND [B]] ABNORMALITY IN DEPRESSURIZATION IS DISPLAYED [ALTERNATE BLINKING OF [E] AND [C] ABNOR
D-3 [ALTERNATE BLINKING OF [E] AND [0] ABNORMALITY IN CONTROLLER IS DISPLAYED
D-4 ABNORMAL SOUND IS GENERATED FROM THE WORK EQUIPMENT PIN, THOUGH NO ABNORMALITY IS DISPLAYED ON THE MONITOR PANEL AND GREA
D-5 ALLIEDS ON THE GREASING CONTROLLER GOES OFF
D-6 PUMP DOES NOT RUN EVEN THOUGH THE START-UP SWITCH IS PRESSED
30 DISASSEMBLY AND ASSEMBLY
METHOD OF USING MANUAL
PRECAUTIONS WHEN CARRYING OUT OPERATION
SPECIAL TOOL LIST
SKETCHES OF SPECIAL TOOLS
* STARTING MOTOR
REMOVAL AND INSTALLATION
* ALTERNATOR
REMOVAL AND INSTALLATION
* FUEL INJECTION PUMP
REMOVAL
INSTALLATION
* WATER PUMP
REMOVAL AND INSTALLATION
* NOZZLE HOLDER
REMOVAL AND INSTALLATION
* THERMOSTAT
REMOVAL AND INSTALLATION
* ENGINE OIL COOLER CORE
REMOVAL
INSTALLATION
CYLINDER HEAD
REMOVAL
INSTALLATION
ENGINE, MAIN PUMP
REMOVAL
INSTALLATION
RADIATOR, HYDRAULIC COOLER
REMOVAL
INSTALLATION
FUEL TANK
REMOVAL AND INSTALLATION
CENTER SWIVEL JOINT
REMOVAL
INSTALLATION
DISASSEMBLY AND ASSEMBLY
SPROCKET
REMOVAL AND INSTALLATION
TRAVEL MOTOR
REMOVAL AND INSTALLATION
DISASSEMBLY, ASSEMBLY OF TRAVEL MOTOR GM09VL2
SAFETY
SECTIONAL DRAWING, SINGLE VIEW DRAWING, AND PARTS LIST
SECTIONAL DRAWING OF ASSEMBLY
SINGLE VIEW DISASSEMBLY DRAWING OF REDUCTION GEAR ASSEMBLY
SINGLE VIEW DISASSEMBLY DRAWING OF HYDRAULIC MOTOR ASSEMBLY
PARTS LIST
TOOLS
TIGHENING TORQUE
WEIGHT TABLE
DISASSEMBLY
MAINTENANCE STANDARD TABLE
ASSEMBLY
DIMENSIONS TABLE OF CLEARENCE ADJUSTMENT PARTS
PERFORMANCE CONFIRMATION TEST
SWING MOTOR, SWING MACHINERY
REMOVAL AND INSTALLATION
SWING MOTOR
DISASSEMBLY
ASSEMBLY
SWING MACHINERY
DISASSEMBLY
ASSEMBLY
REVOLVING FRAME
REMOVAL
INSTALLATION
SWING CIRCLE
REMOVAL AND INSTALLATION
IDLER, RECOIL SPRING
REMOVAL AND INSTALLATION
RECOIL SPRING
DISASSEMBLY
ASSEMBLY
IDLER
DISASSEMLY
ASSEMBLY
TRACK ROLLER
REMOVAL AND INSTALLATION
DISASSEMBLY
ASSEMBLY
CARRIER ROLLER
REMOVAL AND INSTALLATION
TRACK SHOE
REMOVAL AND INSTALLATION
HYDRAULIC TANK
REMOVAL
INSTALLATION
MAIN PUMP
REMOVAL
INSTALLATION
MAIN PUMP INPUT SHAFT OIL SEAL
REMOVAL AND INSTALLATION
CONTROL VALVE
REMOVAL
INSTALLATION
DISASSEMBLY
ASSEMBLY
MAIN RELIEF VALVE
DISASSEMBLY AND ASSEMBLY
SOLENOID VALVE
REMOVAL AND INSTALLATION
WORK EQUIPMENT LEFT SIDE PPC VALVE (FOR ARM, SWING CONTROL) REMOVAL AND INSTALLATION
WORK EQUIPMENT RIGHT SIDE PPC VALVE (FOR BOOM, BUCKET CONTROL) REMOVAL AND INSTALLATION
WORK EQUIPMENT PPC VALVE (FOR BOOM, ARM, BUCKET, SWING CONTROL PPC VALUE)
DISASSEMBLY
ASSEMBLY
TRAVEL PPC VALVE
REMOVAL AND INSTALLATION
DISASSEMBLY AND ASSEMBLY
BOOM CYCLINDER
REMOVAL
INSTALLATION
ARM CYLINDER
REMOVAL
INSTALLATION
BUCKET CYLINDER
REMOVAL
INSTALLATION
BLADE CYCLINDER
REMOVAL
INSTALLATION
HYDRAULIC CYCLINDER
DISASSEMBLY
ASSEMBLY
WORK EQUIPMENT
REMOVAL
INSTALLATION
BUCKET
REMOVAL
INSTALLATION
ARM
REMOVAL
INSTALLATION
BUCKET/ ARM
REMOVAL
INSTALLATION
BOOM
REMOVAL
INSTALLATION
BLADE
REMOVAL AND INSTALLATION
OPERATOR’S CAB
REMOVAL AND INSTALLATION
COUNTERWEIGHT
REMOVAL AND INSTALLATION
MONITOR
REMOVAL AND INSTALLATION
SWING CONTROLLER
REMOVAL AND INSTALLATION
AUTO-GREASING CONTROLLER
REMOVAL AND INSTALLATION
AUTO-GREASING PUMP
REMOVAL AND INSTALLATION
40 MAINTENANCE STANDARD
SWING MACHINERY
SWING CIRCLE
TRACK FRAME
IDLER
TRACK ROLLER
CARRIER ROLLER
TRACK SHOE
HYDRAULIC PUMP
CONTROL VALVE
SELF-PRESSURE REDUCING VALVE
SWING MOTOR
CENTER SWIVEL JOINT
WORK EQUIPMENT, SWING PPC VALVE
TRAVEL PPC VALVE
SERVICE PPC VALVE
WORK EQUIPMENT
HYDRAULIC CYCLINDER
50 OTHER SPECIFICATION (PC60-7 (FOR NORWAY)
PC60-7 (FOR NORWAY)
CONTENTS
GENERAL
DIMENSION
SPECIFICATIONS
WEIGHT TABLE
TABLE OF OIL AND COOLANT CAPACITY
STRUCTURE AND FUNCTION
WORK EQUIPMENT PIN AUTOMATIC GREASING SYSTEM (OPT)
ELECTRICAL ALLOCATION DIAGRAM
ELECTRIC CIRCUIT DIAGRAM
MACHINE MONITOR SYSTEM
TESTING AND ADJUSTING
CONNECTOR TYPES AND MOUNTING LOCATIONS
TROUBLESHOOTING
TROUBLESHOOTING OF MACHINE MONITOR LOCATIONS
ELECTRIC CIRCUIT DIAGRAM OF THE MACHINE MONITOR SYSTEM
M-1 NO INDICATOR LAMP LIGHTS UP WHEN THE STARTING SWITCH IS TURNED ON (3-SECOND SELF-CHECK IS NOT CARRIED OUT EITHER)
M-2 ALL THE LAMPS REMAIN LIGHTING-UP AFTER 3-SECOND SELF-CHECK COMPLETED AFTER THE STARTING SWITCH TURNED ON
M-3 SOME LAMPS DO NOT LIGHT UP DURING SELF-CHECK (ALL LAMPS LIGHTS UP FOR 3 SECONDS) UPON STARTING SWITCH ON
A) ALL GAUGE LAMPS DO NOT LIGHT UP (CAUTION LAMP DOES LIGHT UP)
B) SWING LOCK, AUTO-GREASING FAILURE OR PREHEAT DOES NOT LIGHT UP (ALL GAUGE LAMPS LIGHHT UP)
C) CHARGE CAUTION LAMP DOES NOT LIGHT UP)
D) ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP
M-4 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), ENGINCHARGE CAUTION LAMP DOES NOT LIGHT UP
M-5 WHEN TURNING ON THE POWER (BEFORE ENGINE STARTING), ENGINE OIL PRESSURE CAUTION LAMP DOES NOT LIGHT UP
M-6 AT PREHEATING, PREHEATING INDICATOR DOES NOT LIGHT UP
M-7 THOUGH THE SWITCH IS OPERATED, SWING LOCK DOES NOT LIGHT UP
M-8 WHILE ENGINE RUNNING, ENGINE OIL PRESSURE CAUTION LAMP LIGHTS UP(ENGINE OIL PRESSURE IS NORMAL)
M-9 CHARGE CAUTION LAMP LIGHTS UP WHILE ENGINE RUNNING
M-10 ABNORMALITY IN ENGINE WATER TEMPERATURE GAUGE
A) INDICATOR REMAINS IN THE LOWEST LEVEL (WHITE RANGE) AND DOES NOT RISE AFTER ENGINE STARTED
B) LEVEL RISES IMMEDIATELY AFTER STARTING THE ENGINE. INDICATOR GOES IN THE RED RANGE THOUGH OVER HEAT
C) ENGINE WATER TEMPERATURE GAUGE GOES OFF
M-11 ABNORMALITY IN FUEL GAUGE
A) ALL A) ALL SEGMENTS OF THE FUEL GAUGE GO OFF
B) FUEL GAUGE INDICATES FULL THOUGH THE LEVEL IS LOW
C) FUEL GAUGE DOES NOT INDICATE FULL THOUGH THE TANK IS FULL
M-12 MALFUNCTION OF THE BUZZER
A) BUZZER DOES NOT SOUND
B) BUZZER DOES NOT STOP SOUNDING
M-13 SERVICE METER DOES NOT WORK WHILE THE ENGINE IS RUNNING
A) WHEN THE CHARGE CAUTION LAMP DOES NOT LIGHT UP
B) WHEN THE CHARGE CAUTION LAMP LIGHTS UP, REFER TO THE ITEM M-9
M-14 AUTO-GREASING ABNORMALITY ALARM LIGHTS UP (AUTO-GREASING CONTROLLER IS NORMAL
M-15 ILLUMINATION DOES NOT LIGHT UP
A) ILLUMINATION DOES NOT LIGHT UP
B) ILLUMINATION AT THE SERVICE METER SECTION DOES NOT LIGHT UP (SERVICE METER ITSELF DO WORK NORMALLY)
DISASSEMBLY AND ASSEMBLY
AUTO-GREASING CONTROLLER (OPT)
AUTO-GREASING PUMP (OPT)
90 OTHERS
HYDRAULIC PIPING DRAWING
HYDRAULIC CIRCUIT DIAGRAM
OVERALL SYSTEM DIAGRAM (1/5)
OVERALL SYSTEM DIAGRAM (2/5)
OVERALL SYSTEM DIAGRAM (3/5)
OVERALL SYSTEM DIAGRAM (4/5)
OVERALL SYSTEM DIAGRAM (5/5)
ELECTRICAL ALLOCATION DIAGRAM
SERIAL NO. : 52374 – 57999
SERIAL NO.: 58001 AND UP
ELECTRIC CIRCUIT DIAGRAM
9PC60-7 SERIAL NO. 55720 AND UP FOR NORWAY)
CONNECTOR TYPES AND MOUNTING LOCATIONS
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Komatsu PC60-7, PC60-7B Hydraulic Excavator Service Repair Shop Manual – SEBM010911.pdf
