Service manual Komatsu PC1250-11R, PC1250SP-11R 50090 & Up | SEN06824-00

Komatsu PC1250-11R, PC1250SP-11R 50090 & Up SEN06824-00 (Preview)

COVER
00 INDEX AND FOREWORD
INDEX
ABBREVIATION LIST
FOREWORD, SAFETY, BASIC INFORMATION
HOW TO READ THE SHOP MANUAL
SAFETY NOTICE FOR OPERATION
PRECAUTIONS TO PREVENT FIRE
ACTIONS IF FIRE OCCURS
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT
PRACTICAL USE OF KOMTRAX
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER
METHOD FOR DISCONNECTING AND CONNECTING TYPE 1 PUSH-PULL TYPE COUPLER
METHOD FOR DISCONNECTING AND CONNECTING TYPE 2 PUSH-PULL TYPE COUPLER
METHOD FOR DISCONNECTING AND CONNECTING TYPE 3 PUSH-PULL TYPE COUPLER
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE
HOW TO READ ELECTRICAL WIRE CODE
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
STANDARD TIGHTENING TORQUE TABLE
CONVERSION TABLE
01 SPECIFICATIONS
CONTENTS
SPECIFICATIONS
SPECIFICATION DRAWING
SPECIFICATION DRAWING: PC1250-11R
SPECIFICATION DRAWING: PC1250SP-11R
WORKING RANGE DRAWINGS
WORKING RANGE: PC1250-11R
WORKING RANGE: PC1250SP-11R
SPECIFICATIONS
SPECIFICATIONS: PC1250-11R
SPECIFICATIONS: PC1250SP-11R
WEIGHT TABLE
WEIGHT TABLE: PC1250-11R
WEIGHT TABLE: PC1250SP-11R
FUEL, COOLANT AND LUBRICANT TO MEET AMBIENT TEMPERATURE
10 STRUCTURE AND FUNCTION
CONTENTS
BOOT-UP SYSTEM
LAYOUT DRAWING OF BOOT-UP SYSTEM
SYSTEM OPERATING LAMP SYSTEM
SYSTEM OPERATING LAMP SYSTEM DIAGRAM
FUNCTION OF SYSTEM OPERATING LAMP SYSTEM
BATTERY DISCONNECT SWITCH
FUNCTION OF BATTERY DISCONNECT SWITCH
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE SYSTEM
ENGINE CONTROL SYSTEM
ENGINE CONTROL SYSTEM DIAGRAM
FUNCTION OF ENGINE CONTROL SYSTEM
AUTO-DECELERATION SYSTEM
AUTO-DECELERATION SYSTEM DIAGRAM
FUNCTION OF AUTO-DECELERATION SYSTEM
OPERATION OF AUTO-DECELERATION SYSTEM
AUTOMATIC LOW IDLE SYSTEM
AUTOMATIC LOW IDLE SYSTEM DIAGRAM
FUNCTION OF AUTOMATIC LOW IDLE SYSTEM
OPERATION OF AUTOMATIC LOW IDLE SYSTEM
ENGINE AUTOMATIC WARM-UP SYSTEM
ENGINE AUTOMATIC WARM-UP SYSTEM DIAGRAM
FUNCTION OF ENGINE AUTOMATIC WARM-UP SYSTEM
OVERHEAT PREVENTION SYSTEM
OVERHEAT PREVENTION SYSTEM DIAGRAM
FUNCTION OF OVERHEAT PREVENTION SYSTEM
TURBOCHARGER PROTECTION SYSTEM
TURBOCHARGER PROTECTION SYSTEM DIAGRAM
FUNCTION OF TURBOCHARGER PROTECTION SYSTEM
AUTOMATIC IDLE STOP SYSTEM
AUTOMATIC IDLE STOP SYSTEM DIAGRAM
FUNCTION OF AUTOMATIC IDLE STOP SYSTEM
COMPONENT PARTS OF ENGINE SYSTEM
PTO
PTO LUBRICATION SYSTEM
COOLING SYSTEM
LAYOUT DRAWING OF COOLING SYSTEM
SPECIFICATIONS OF COOLING SYSTEM
FAN SPEED CONTROL SYSTEM OF HYDRAULIC FAN
FAN SPEED CONTROL SYSTEM DIAGRAM OF HYDRAULIC FAN
FUNCTION OF FAN SPEED CONTROL SYSTEM OF HYDRAULIC FAN
ENGINE OUTPUT CONTROL SYSTEM OF HYDRAULIC FAN
ENGINE OUTPUT CONTROL SYSTEM DIAGRAM OF HYDRAULIC FAN
FUNCTION OF ENGINE OUTPUT CONTROL SYSTEM OF HYDRAULIC FAN
FAN REVERSE ROTATION SYSTEM OF HYDRAULIC FAN
FAN REVERSE ROTATION SYSTEM DIAGRAM OF HYDRAULIC FAN
FUNCTION OF FAN REVERSE ROTATION SYSTEM OF HYDRAULIC FAN
COMPONENT PARTS OF COOLING SYSTEM
COOLING FAN PUMP
COOLING FAN MOTOR
CONTROL SYSTEM
LAYOUT DRAWING OF CONTROL SYSTEM
MACHINE MONITOR SYSTEM
SYSTEM DIAGRAM OF MACHINE MONITOR
KomVision SYSTEM
LAYOUT DRAWING OF KOMVISION SYSTEM
SYSTEM DIAGRAM OF KomVision SYSTEM
FUNCTION OF KomVision SYSTEM
KOMTRAX Plus SYSTEM
KOMTRAX Plus SYSTEM DIAGRAM
FUNCTION OF KOMTRAX Plus SYSTEM
COMPONENT PARTS OF CONTROL SYSTEM
MACHINE MONITOR
KomVision CONTROLLER
KomVision CAMERA
KOMTRAX TERMINAL
KOMTRAX Plus CONTROLLER
WIRELESS LAN UNIT
PUMP CONTROLLER
RESISTOR FOR TVC VALVE
CAN TERMINATING RESISTOR
ENGINE CONTROLLER
FUEL CONTROL DIAL
FUEL FEED PUMP
FUEL FEED PUMP SWITCH
HYDRAULIC SYSTEM
LAYOUT DRAWING OF HYDRAULIC SYSTEM
OLSS
STRUCTURE OF OLSS
FUNCTION OF OLSS
PUMP SWASH PLATE ANGLE (OIL FLOW) CONTROL
ENGINE AND PUMP COMBINED CONTROL SYSTEM
ENGINE AND PUMP COMBINED CONTROL SYSTEM DIAGRAM
FUNCTION OF ENGINE AND PUMP COMBINED CONTROL SYSTEM
COMPONENT PARTS OF HYDRAULIC SYSTEM
HYDRAULIC TANK
MAIN PUMP
CONTROL VALVE
VARIABLE BACK PRESSURE VALVE
WORK EQUIPMENT SYSTEM
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
MACHINE PUSH-UP SYSTEM
MACHINE PUSH-UP SYSTEM DIAGRAM
FUNCTION OF MACHINE PUSH-UP SYSTEM
HEAVY LIFT SYSTEM
HEAVY LIFT SYSTEM DIAGRAM
FUNCTION OF HEAVY LIFT SYSTEM
OPERATION OF HEAVY LIFT SYSTEM
BOOM SHOCKLESS CONTROL SYSTEM
BOOM SHOCKLESS CONTROL FUNCTION SYSTEM DIAGRAM
FUNCTION OF BOOM SHOCKLESS CONTROL SYSTEM
OPERATION OF BOOM SHOCKLESS CONTROL SYSTEM
PPC LOCK SYSTEM
PPC LOCK SYSTEM DIAGRAM
FUNCTION OF PPC LOCK SYSTEM
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM DIAGRAM
FUNCTION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM
OPERATION OF WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
WORK EQUIPMENT AND SWING PPC VALVE
SOLENOID VALVE
PILOT CIRCUIT ACCUMULATOR
SWING SYSTEM
LAYOUT DRAWING OF SWING SYSTEM
SWING CONTROL SYSTEM DIAGRAM
FUNCTION OF SWING CONTROL SYSTEM
SWING PRIORITY SYSTEM DIAGRAM
FUNCTION OF SWING PRIORITY SYSTEM
SWING COMPENSATION SYSTEM DIAGRAM
FUNCTION OF SWING COMPENSATION SYSTEM
OPERATION OF SWING COMPENSATION SYSTEM
COMPONENT PARTS OF SWING SYSTEM
SWING MOTOR
SWING MACHINERY
SWING CIRCLE
TRAVEL SYSTEM
LAYOUT DRAWING OF TRAVEL SYSTEM
TRAVEL CONTROL SYSTEM DIAGRAM
FUNCTION OF TRAVEL CONTROL SYSTEM
COMPONENT PARTS OF TRAVEL SYSTEM
TRAVEL MOTOR
FINAL DRIVE
TRAVEL PPC VALVE
CENTER SWIVEL JOINT
LIFTING SYSTEM
HYDRAULICALLY OPERATED STAIRWAY SYSTEM
LAYOUT DRAWING OF HYDRAULIC TYPE STAIRWAY SYSTEM
HYDRAULICALLY OPERATED STAIRWAY SYSTEM DIAGRAM
FUNCTION OF HYDRAULICALLY OPERATED STAIRWAY SYSTEM
COMPONENT PARTS OF LIFTING SYSTEM
SWITCH BOX
PROXIMITY SWITCH PART
CONTROL VALVE ASSEMBLY
UNDERCARRIAGE AND FRAME
LAYOUT DRAWING OF UNDERCARRIAGE
SPECIFICATIONS OF UNDERCARRIAGE
WORK EQUIPMENT
STRUCTURE OF WORK EQUIPMENT
FUNCTION OF WORK EQUIPMENT
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM
FUNCTION OF WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM
BUCKET CLEARANCE ADJUSTMENT SHIM
FUNCTION OF BUCKET CLEARANCE ADJUSTMENT SHIM
CAB AND ITS ATTACHMENTS
CAB
STRUCTURE OF CAB
CAB MOUNT
STRUCTURE OF CAB MOUNT
FUNCTION OF CAB MOUNT
CAB TIPPING STOPPER
STRUCTURE OF CAB TIPPING STOPPER
FUNCTION OF CAB TIPPING STOPPER
20 STANDARD VALUE TABLE
CONTENTS
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR ENGINE: PC1250-11R
STANDARD VALUE TABLE FOR ENGINE: PC1250SP-11R
STANDARD VALUE TABLE FOR MACHINE
STANDARD VALUE TABLE FOR MACHINE: PC1250-11R
STANDARD VALUE TABLE FOR MACHINE: PC1250SP-11R
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE
30 TESTING AND ADJUSTING
CONTENTS
RELATED INFORMATION ON TESTING AND ADJUSTING
TOOLS FOR TESTING AND ADJUSTING
SKETCH OF TOOLS FOR TESTING AND ADJUSTING
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
METHOD FOR TESTING ENGINE SPEED
TEST BOOST PRESSURE
METHOD FOR TESTING BOOST PRESSURE ON MACHINE MONITOR
METHOD FOR TESTING BOOST PRESSURE BY TESTING TOOL
TEST EXHAUST GAS TEMPERATURE
METHOD FOR TESTING EXHAUST GAS TEMPERATURE
TEST EXHAUST GAS COLOR
METHOD FOR TESTING EXHAUST GAS COLOR BY HANDY SMOKE CHECKER
METHOD FOR TESTING EXHAUST GAS COLOR BY SMOKE METER
TEST AND ADJUST VALVE CLEARANCE
METHOD FOR TESTING VALVE CLEARANCE
METHOD FOR ADJUSTING VALVE CLEARANCE
TEST COMPRESSION PRESSURE
METHOD FOR TESTING COMPRESSION PRESSURE
TEST BLOWBY PRESSURE
METHOD FOR TESTING BLOWBY PRESSURE
TEST ENGINE OIL PRESSURE
METHOD FOR TESTING ENGINE OIL PRESSURE BY MACHINE MONITOR
METHOD FOR TESTING ENGINE OIL PRESSURE BY TESTING TOOL
TEST FUEL PRESSURE
METHOD FOR TESTING FUEL PRESSURE
TEST FUEL RETURN RATE AND LEAKAGE
METHOD FOR TESTING FUEL RETURN RATE AND LEAKAGE
BLEED AIR FROM FUEL SYSTEM
METHOD FOR BLEEDING AIR FROM FUEL SYSTEM
TEST FUEL CIRCUIT FOR LEAKAGE
METHOD FOR TESTING FUEL CIRCUIT FOR LEAKAGE
TEST SUPPLY PUMP
METHOD FOR TESTING SUPPLY PUMP
HANDLE CYLINDER CUT-OUT MODE OPERATION
TEST ALTERNATOR
METHOD FOR TESTING ALTERNATOR
HANDLE NO-INJECTION CRANKING OPERATION
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER
METHOD FOR WRITING INJECTOR COMPENSATION VALUE
POWER TRAIN
TEST SWING CIRCLE BEARING CLEARANCE
METHOD FOR TESTING SWING CIRCLE BEARING CLEARANCE
UNDERCARRIAGE AND FRAME
TEST SPROCKET WEAR
METHOD FOR TESTING SPROCKET WEAR
TEST AND ADJUST TRACK TENSION
METHOD FOR TESTING TRACK TENSION
METHOD FOR ADJUSTING TRACK TENSION
HYDRAULIC SYSTEM
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM
METHOD FOR RELEASING REMAINING PRESSURE FROM HYDRAULIC CIRCUIT
METHOD FOR RELEASING REMAINING PRESSURE FROM SWING MOTOR CIRCUIT
METHOD FOR RELEASING REMAINING PRESSURE FROM TRAVEL MOTOR CIRCUIT
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
METHOD FOR TESTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
METHOD FOR ADJUSTING OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS
TEST AND ADJUST OIL PRESSURE OF CONTROL CIRCUIT
METHOD FOR TESTING OIL PRESSURE OF CONTROL CIRCUIT
METHOD FOR ADJUSTING OIL PRESSURE OF CONTROL CIRCUIT
TEST AND ADJUST PISTON PUMP CONTROL OIL PRESSURE
METHOD FOR TESTING TVC VALVE OUTLET PRESSURE
METHOD FOR TESTING CO VALVE + NC VALVE OUTLET PRESSURE OF NO. 1 AND NO. 2 PUMPS
METHOD FOR TESTING CO VALVE + NC VALVE OUTLET PRESSURE OF NO. 3 PUMP
METHOD FOR TESTING JET SENSOR OUTLET PRESSURE OF 4-SPOOL CONTROL VALVE ON THE RIGHT SIDE
METHOD FOR TESTING JET SENSOR OUTLET PRESSURE OF 4-SPOOL CONTROL VALVE FOR SWING
METHOD FOR ADJUSTING TVC VALVE
METHOD FOR ADJUSTING CO VALVE + NC VALVE OF NO. 1 AND NO. 2 PUMPS
METHOD FOR ADJUSTING CO VALVE + NC VALVE OF NO. 3 PUMP
METHOD FOR ADJUSTING JET SENSOR OF 4-SPOOL CONTROL VALVE ON THE RIGHT SIDE AND 5-SPOOL CONTROL VALVE ON THE LEFT SIDE
METHOD FOR ADJUSTING JET SENSOR OF 4-SPOOL CONTROL VALVE FOR SWING
TEST SERVO PISTON STROKE
METHOD FOR TESTING SERVO PISTON STROKE
TEST OUTLET PRESSURE OF SOLENOID VALVE
METHOD FOR TESTING OUTLET PRESSURE OF SOLENOID VALVE
OPERATING CONDITION OF SOLENOID VALVE
TEST PPC VALVE OUTLET PRESSURE
METHOD FOR TESTING PPC VALVE OUTLET PRESSURE
TEST SWING PPC SHUTTLE VALVE OUTLET PRESSURE
METHOD FOR TESTING SWING PPC SHUTTLE VALVE OUTLET PRESSURE
ADJUST WORK EQUIPMENT AND SWING PPC VALVES
METHOD FOR ADJUSTING PLAY OF WORK EQUIPMENT AND SWING PPC VALVES
TEST TRAVEL DEVIATION
METHOD FOR TESTING TRAVEL DEVIATION
TEST COOLING FAN SPEED
METHOD FOR TESTING COOLING FAN SPEED
TEST AFTERCOOLER FAN SPEED
METHOD FOR TESTING AFTERCOOLER FAN SPEED
TEST OIL PRESSURE IN FAN PUMP CIRCUIT
METHOD FOR TESTING OIL PRESSURE IN FAN PUMP CIRCUIT
TEST AFTERCOOLER FAN PUMP CIRCUIT OIL PRESSURE
METHOD FOR TESTING AFTERCOOLER FAN PUMP CIRCUIT OIL PRESSURE
TEST FAN PUMP EPC ELECTRIC CURRENT
METHOD FOR TESTING FAN PUMP EPC ELECTRIC CURRENT
TEST FAN PUMP EPC SOLENOID VALVE OUTLET PRESSURE
METHOD FOR TESTING FAN PUMP EPC SOLENOID VALVE OUTLET PRESSURE
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF BOOM CYLINDER AND BUCKET CYLINDER
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF ARM CYLINDER
METHOD FOR TESTING THE PARTS CAUSING HYDRAULIC DRIFT OF PPC VALVE
TEST OIL LEAKAGE
METHOD FOR TESTING OIL LEAKAGE FROM BOOM CYLINDER
METHOD FOR TESTING OIL LEAKAGE FROM ARM CYLINDER
METHOD FOR TESTING OIL LEAKAGE FROM BUCKET CYLINDER
METHOD FOR TESTING OIL LEAKAGE FROM SWING MOTOR
METHOD FOR TESTING OIL LEAKAGE FROM TRAVEL MOTOR
METHOD FOR TESTING OIL LEAKAGE OF SWIVEL JOINT
BLEED AIR FROM HYDRAULIC CIRCUIT
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT
CAB AND ITS ATTACHMENTS
TEST CAB TIPPING STOPPER
METHOD FOR TESTING CAB TIPPING STOPPER
METHOD FOR ADJUSTING MIRRORS
PROCEDURE FOR ADJUSTING MACHINE LEFT FRONT MIRROR (A)
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE LEFT FRONT MIRROR (A)
PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (B)
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (B)
PROCEDURE FOR ADJUSTING MACHINE RIGHT FRONT MIRROR (C)
PROCEDURE FOR ADJUSTING REGULAR POSITION OF MACHINE RIGHT FRONT MIRROR (C)
ELECTRICAL SYSTEM
SET AND OPERATE MACHINE MONITOR
OPERATOR MODE
DISPLAY FUNCTION OF TECHNICIAN IDENTIFICATION STATUS SCREEN
DISPLAY FUNCTION OF OPERATOR IDENTIFICATION INPUT SCREEN
CHECKING FUNCTION BY LCD (LIQUID CRYSTAL DISPLAY)
CHECKING FUNCTION OF SERVICE METER
METHOD FOR SETTING USAGE LIMITATION AND CHANGING PASSWORD
SERVICE MODE
METHOD FOR OPERATING SERVICE MODE
METHOD FOR CHECKING PRE-DEFINED MONITORING INFORMATION
METHOD FOR CHECKING SELF-DEFINE MONITORING INFORMATION
ABNORMALITY RECORD MENU
METHOD FOR CONFIRMING MAINTENANCE RECORD
METHOD FOR OPERATING MAINTENANCE MODE SETTING
METHOD FOR OPERATING PHONE NUMBER ENTRY SETTING
DEFAULT MENU
DIAGNOSTIC TESTS MENU
ADJUSTMENT MENU
METHOD FOR PERFORMING NO-INJECTION CRANKING
KOMTRAX SETTINGS MENU
METHOD FOR DISPLAYING SERVICE MESSAGE
METHOD FOR HANDLING SNAP SHOT
START UP KOMTRAX TERMINAL
DEFAULT SETTING OF KOMTRAX Plus CONTROLLER
DEFAULT SETTING OF KOMTRAX Plus CONTROLLER
SETTING DEFAULT OF WIRELESS LAN MODEM
METHOD FOR SETTING DEFAULT OF WIRELESS LAN MODEM
CHECK WIRELESS LAN MODEM COMMUNICATION
DOWNLOAD OF KOMTRAX Plus CONTROLLER DATA
DOWNLOAD DATA FROM KOMTRAX Plus CONTROLLER
DOWNLOAD DATA FROM SERVICE CONNECTOR
DOWNLOAD DATA FROM WIRELESS LAN (WIRELESS LAN SPEC)
ADJUST WHEN KOMTRAX Plus CONTROLLER IS REPLACED
METHOD FOR ADJUSTING WHEN KOMTRAX Plus CONTROLLER IS REPLACED
ADJUST WHEN WIRELESS LAN MODEM IS REPLACED
METHOD FOR ADJUSTING WHEN WIRELESS LAN MODEM IS REPLACED
ADJUST KomVision CAMERA ANGLE
METHOD FOR ADJUSTING KomVision CAMERA ANGLE
ADJUST KomVision RELATED ITEMS
SETTING OF KomVision (MAIN SETTING)
SETTING OF KomVision (CAMERA SETTING)
SETTING OF KomVision (CAMERA CALIBRATION)
KomVision screen – Check 12 m visibility
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER
HANDLE BATTERY DISCONNECT SWITCH
TEST DIODES
METHOD FOR TESTING DIODE USING DIGITAL TESTER
METHOD FOR TESTING DIODE USING ANALOG TESTER
Pm CLINIC
Pm CLINIC SERVICE
Pm CLINIC CHECK SHEET: PC1250-11R
Pm CLINIC CHECK SHEET: PC1250SP-11R
PERFORMING QUICK Pm
METHOD FOR PERFORMING QUICK Pm
40 TROUBLESHOOTING
CONTENTS
RELATED INFORMATION ON TROUBLESHOOTING
GENERAL TROUBLESHOOTING POINTS
SEQUENCE OF EVENTS IN TROUBLESHOOTING
CHECKS BEFORE TROUBLESHOOTING
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
WALK-AROUND CHECK
TESTING IN ACCORDANCE WITH TESTING PROCEDURE
CHECK FUEL LEVEL AND TYPE
CHECK IMPURE INGREDIENT IN FUEL
CHECK FUEL PREFILTER
CHECK WATER SEPARATOR, DRAIN WATER AND SEDIMENT
REPLACE FUEL PREFILTER CARTRIDGE
TEST FUEL MAIN FILTER
CHECK ENGINE OIL LEVEL (OIL AMOUNT IN OIL PAN)
CHECK COOLANT LEVEL (RESERVOIR TANK)
CHECK CLOGGING OF AIR CLEANER
OUTER ELEMENT – CLEAN
ELEMENTS – REPLACE
CHECK HYDRAULIC OIL LEVEL
CHECK HYDRAULIC OIL STRAINER
CHECK HYDRAULIC FILTER
CHECK OIL LEVEL IN SWING MACHINERY CASE
CHECK OIL LEVEL IN PTO CASE
CHECK PTO LUBRICATION FILTER STRAINER
CHECK OIL LEVEL IN FINAL DRIVE CASE
BLEED AIR FROM FUEL SYSTEM
BLEED AIR FROM HYDRAULIC SYSTEM
METHOD FOR CHECKING ELECTRIC EQUIPMENTmethod
PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM
PREPARATION FOR TROUBLESHOOTING OF MACHINE MONITOR
PREPARATION FOR TROUBLESHOOTING OF ENGINE CONTROLLER
PREPARATION FOR TROUBLESHOOTING OF PUMP CONTROLLER
PREPARATION FOR TROUBLESHOOTING OF KOMTRAX TERMINAL
PREPARATION FOR TROUBLESHOOTING OF KOMTRAX Plus CONTROLLER
PREPARATION FOR TROUBLESHOOTING OF KomVision CONTROLLER
DISCONNECT AND CONNECT CONNECTOR WITH A SPECIAL LOCK
PROCEDURE FOR TROUBLESHOOTING
SYMPTOM AND TROUBLESHOOTING NUMBERS
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
TROUBLESHOOTING METHOD FOR OPEN CIRCUIT IN WIRING HARNESS OF PRESSURE SENSOR SYSTEM
CONNECTOR LIST AND LAYOUT
CONNECTOR CONTACT IDENTIFICATION
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE
FUSE LOCATION TABLE
FAILURE CODE TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)
FAILURE CODE [879AKA]
FAILURE CODE [879AKB]
FAILURE CODE [879BKA]
FAILURE CODE [879BKB]
FAILURE CODE [879CKA]
FAILURE CODE [879CKB]
FAILURE CODE [879DKZ]
FAILURE CODE [879EMC]
FAILURE CODE [879FMC]
FAILURE CODE [879GKX]
FAILURE CODE [8800L8]
FAILURE CODE [8800ZG]
FAILURE CODE [989L00]
FAILURE CODE [989M00]
FAILURE CODE [989N00]
FAILURE CODE [A900FR]
FAILURE CODE [A900N6]
FAILURE CODE [A900NY]
FAILURE CODE [AA10NX]
FAILURE CODE [AB00KE]
FAILURE CODE [B@BAZG]
FAILURE CODE [B@BAZK]
FAILURE CODE [B@BCNS]
FAILURE CODE [B@BCZK]
FAILURE CODE [B@CBNS]
FAILURE CODE [B@BCQA]
FAILURE CODE [B@HAMB]
FAILURE CODE [B@HANS]
FAILURE CODE [CA115]
FAILURE CODE [CA122]
FAILURE CODE [CA123]
FAILURE CODE [CA131]
FAILURE CODE [CA132]
FAILURE CODE [CA135]
FAILURE CODE [CA141]
FAILURE CODE [CA144]
FAILURE CODE [CA145]
FAILURE CODE [CA153]
FAILURE CODE [CA154]
FAILURE CODE [CA212]
FAILURE CODE [CA213]
FAILURE CODE [CA221]
FAILURE CODE [CA222]
FAILURE CODE [CA234]
FAILURE CODE [CA238]
FAILURE CODE [CA239]
FAILURE CODE [CA271]
FAILURE CODE [CA272]
FAILURE CODE [CA273]
FAILURE CODE [CA274]
FAILURE CODE [CA322]
FAILURE CODE [CA323]
FAILURE CODE [CA324]
FAILURE CODE [CA325]
FAILURE CODE [CA331]
FAILURE CODE [CA332]
FAILURE CODE [CA343]
FAILURE CODE [CA351]
FAILURE CODE [CA352]
FAILURE CODE [CA386]
FAILURE CODE [CA441]
FAILURE CODE [CA442]
FAILURE CODE [CA449]
FAILURE CODE [CA451]
FAILURE CODE [CA452]
FAILURE CODE [CA515]
FAILURE CODE [CA516]
FAILURE CODE [CA553]
FAILURE CODE [CA559]
FAILURE CODE [CA689]
FAILURE CODE [CA691]
FAILURE CODE [CA692]
FAILURE CODE [CA697]
FAILURE CODE [CA698]
FAILURE CODE [CA731]
FAILURE CODE [CA778]
FAILURE CODE [CA1117]
FAILURE CODE [CA1135]
FAILURE CODE [CA1257]
FAILURE CODE [CA1843]
FAILURE CODE [CA1844]
FAILURE CODE [CA1942]
FAILURE CODE [CA2185]
FAILURE CODE [CA2186]
FAILURE CODE [CA2249]
FAILURE CODE [CA2555]
FAILURE CODE [CA2556]
FAILURE CODE [CA2765]
FAILURE CODE [CA4952]
FAILURE CODE [CB115]
FAILURE CODE [CB238]
FAILURE CODE [CB239]
FAILURE CODE [CB271]
FAILURE CODE [CB272]
FAILURE CODE [CB273]
FAILURE CODE [CB274]
FAILURE CODE [CB343]
FAILURE CODE [CB352]
FAILURE CODE [CB386]
FAILURE CODE [CB441]
FAILURE CODE [CB442]
FAILURE CODE [CB689]
FAILURE CODE [CB697]
FAILURE CODE [CB698]
FAILURE CODE [CB731]
FAILURE CODE [CB778]
FAILURE CODE [CB1117]
FAILURE CODE [CB1257]
FAILURE CODE [CB4952]
FAILURE CODE [D110KB]
FAILURE CODE [D163KB]
FAILURE CODE [D195KA]
FAILURE CODE [D195KB]
FAILURE CODE [D19JKZ]
FAILURE CODE [D1F0KA]
FAILURE CODE [D1F0KB]
FAILURE CODE [D1F0KY]
FAILURE CODE [D1R1KA]
FAILURE CODE [D1R1KB]
FAILURE CODE [D1R1KY]
FAILURE CODE [D862KA]
FAILURE CODE [DA20MC]
FAILURE CODE [DA22KK]
FAILURE CODE [DA25KP]
FAILURE CODE [DA26KP]
FAILURE CODE [DA29KQ]
FAILURE CODE [DA2LKA]
FAILURE CODE [DA2LKB]
FAILURE CODE [DA2QKR]
FAILURE CODE [DA2RKR]
FAILURE CODE [DAF0KM]
FAILURE CODE [DAF0MB]
FAILURE CODE [DAF0MC]
FAILURE CODE [DAF8KB]
FAILURE CODE [DAF9KQ]
FAILURE CODE [DAFGMC]
FAILURE CODE [DAFLKA]
FAILURE CODE [DAFLKB]
FAILURE CODE [DAFQKR]
FAILURE CODE [DAZ9KQ]
FAILURE CODE [DAZQKR]
FAILURE CODE [DB2QKR]
FAILURE CODE [DB2RKR]
FAILURE CODE [DBP0KM]
FAILURE CODE [DBP0KT]
FAILURE CODE [DBP5KB]
FAILURE CODE [DBP5KY]
FAILURE CODE [DBPQKR]
FAILURE CODE [DBV0MC]
FAILURE CODE [DBV1KK]
FAILURE CODE [DBV5KB]
FAILURE CODE [DBV6KB]
FAILURE CODE [DBVLKA]
FAILURE CODE [DBVLKB]
FAILURE CODE [DBVQKR]
FAILURE CODE [DBVRKR]
FAILURE CODE [DBVVKR]
FAILURE CODE [DBVWKR]
FAILURE CODE [DDNRKA]
FAILURE CODE [DDNRKY]
FAILURE CODE [DDNS00]
FAILURE CODE [DDXAL4]
FAILURE CODE [DGE5KB]
FAILURE CODE [DGH2KA]
FAILURE CODE [DGH2KB]
FAILURE CODE [DGT3KB]
FAILURE CODE [DGT4KA]
FAILURE CODE [DGT4KB]
FAILURE CODE [DGT5KA]
FAILURE CODE [DGT5KB]
FAILURE CODE [DHA4KA]
FAILURE CODE [DHPAMA]
FAILURE CODE [DHPAZL]
FAILURE CODE [DHPBMA]
FAILURE CODE [DHPBZL]
FAILURE CODE [DHPGMA]
FAILURE CODE [DHPGZL]
FAILURE CODE [DHPSMA]
FAILURE CODE [DHPZMA]
FAILURE CODE [DHS3MA]
FAILURE CODE [DHS4MA]
FAILURE CODE [DHS8MA]
FAILURE CODE [DHS9MA]
FAILURE CODE [DHSAMA]
FAILURE CODE [DHSBMA]
FAILURE CODE [DHSCMA]
FAILURE CODE [DHSDMA]
FAILURE CODE [DHSFMA]
FAILURE CODE [DHSGMA]
FAILURE CODE [DHSHMA]
FAILURE CODE [DHSJMA]
FAILURE CODE [DKR2KA]
FAILURE CODE [DKR2KB]
FAILURE CODE [DKR2NX]
FAILURE CODE [DKR3KA]
FAILURE CODE [DKR3KB]
FAILURE CODE [DKR3NX]
FAILURE CODE [DKULKA]
FAILURE CODE [DKULKB]
FAILURE CODE [DKULKY]
FAILURE CODE [DLM3KA]
FAILURE CODE [DLM3KB]
FAILURE CODE [DLM3MB]
FAILURE CODE [DMU6KB]
FAILURE CODE [DR10KA]
FAILURE CODE [DR12KA]
FAILURE CODE [DR20KA]
FAILURE CODE [DR21KX]
FAILURE CODE [DR30KA]
FAILURE CODE [DR31KX]
FAILURE CODE [DR40KA]
FAILURE CODE [DUMBKA]
FAILURE CODE [DUMBKB]
FAILURE CODE [DV20KB]
FAILURE CODE [DW41KA]
FAILURE CODE [DW41KB]
FAILURE CODE [DW41KY]
FAILURE CODE [DW43KA]
FAILURE CODE [DW43KB]
FAILURE CODE [DW43KY]
FAILURE CODE [DW45KA]
FAILURE CODE [DW45KB]
FAILURE CODE [DW45KY]
FAILURE CODE [DW48KA]
FAILURE CODE [DW48KB]
FAILURE CODE [DW48KY]
FAILURE CODE [DW4CKY]
FAILURE CODE [DW7BKA]
FAILURE CODE [DW7BKB]
FAILURE CODE [DW7BKY]
FAILURE CODE [DW91KA]
FAILURE CODE [DW91KB]
FAILURE CODE [DW91KY]
FAILURE CODE [DWK0KA]
FAILURE CODE [DWK0KB]
FAILURE CODE [DWK0KY]
FAILURE CODE [DWK2KA]
FAILURE CODE [DWK2KB]
FAILURE CODE [DWK2KY]
FAILURE CODE [DWK8KA]
FAILURE CODE [DWK8KB]
FAILURE CODE [DWK8KY]
FAILURE CODE [DWNRKA]
FAILURE CODE [DWNRKB]
FAILURE CODE [DWNRKY]
FAILURE CODE [DX16KA]
FAILURE CODE [DX16KB]
FAILURE CODE [DXA0KA]
FAILURE CODE [DXA0KB]
FAILURE CODE[DXAXKA]
FAILURE CODE [DXAXKB]
FAILURE CODE [DY20KA]
FAILURE CODE [DY20KA]
FAILURE CODE [DY20MA]
FAILURE CODE [DY20MA]
FAILURE CODE [DY2CKA]
FAILURE CODE [DY2CKB]
FAILURE CODE [DY2CKY]
FAILURE CODE [DY2DKB]
FAILURE CODE [DY2DKB]
FAILURE CODE [DY2EKB]
FAILURE CODE [DY2EKB]
FAILURE CODE [DY2FMA]
FAILURE CODE [F7FQKR]
FAILURE CODE [F7G0MC]
FAILURE CODE [F@BYNR]
FAILURE CODE [F@BYNS]
FAILURE CODE [F@BZNR]
FAILURE CODE [F@BZNS]
FAILURE CODE [F@HCZL]
FAILURE CODE [J100KA]
FAILURE CODE [J100KB]
FAILURE CODE [J100L6]
FAILURE CODE [J190KA]
FAILURE CODE [J190KB]
FAILURE CODE [J190L6]
FAILURE CODE [LA10ZL]
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK)
E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS NOTHING
E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), ENGINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW
E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIATOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUNNING
E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
E-13 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
E-14 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
E-15 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
E-16 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM
E-17 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL
E-18 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM
E-19 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOLANT TEMPERATURE
E-20 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM
E-21 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEMPERATURE
E-22 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED
E-23 FUNCTION SWITCH DOES NOT OPERATE
E-24 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER)
E-25 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR DOES NOT LIGHT UP OR DOES NOT GO OFF
E-26 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER
E-27 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS NOT DISPLAYED
E-28 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS NOT CHANGED
E-29 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT CHANGE
E-30 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT CHANGE
E-31 ALARM BUZZER CANNOT BE CANCELED
E-32 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION
E-33 SERVICE MODE CANNOT BE SELECTED
E-34 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE
E-35 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK
E-36 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT SWING
E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING BRAKE DOES NOT OPERATE
E-38 ALARM DOES NOT SOUND DURING TRAVEL
E-39 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED
E-40 HORN DOES NOT MAKE SOUND
E-41 HORN DOES NOT STOP SOUNDING
E-42 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF
E-43 WIPER DOES NOT OPERATE WHEN WIPER SWITCH IS OPERATED (SINGLE WIPER SPECIFICATION)
E-44 WIPER DOES NOT OPERATE WHEN WIPER SWITCH IS OPERATED (DOUBLE WIPER SPECIFICATION)
E-45 FUEL FEED PUMP DOES NOT OPERATE OR STOP AUTOMATICALLY
E-46 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPERATE
E-47 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-48 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-49 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-50 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-51 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-52 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-53 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-54 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
E-55 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY
E-56 MACHINE PUSH-UP FUNCTION CANNOT BE CANCELED
E-57 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE
E-58 STEP LIGHT DOES NOT LIGHT UP
E-59 STEP LIGHT DOES NOT GO OUT
E-60 BOOM SHOCKLESS FUNCTION CANNOT BE CANCELED
E-61 BOOM SHOCKLESS FUNCTION DOES NOT WORK
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
H-1 ALL WORK EQUIPMENT, TRAVEL, SWING SPEED OR POWER IS LOW
H-2 ENGINE SPEED DROPS SIGNIFICANTLY OR ENGINE STALLS
H-3 ALL WORK EQUIPMENTS, SWING AND TRAVEL DO NOT WORK
H-4 UNUSUAL NOISE IS HEARD FROM AROUND WORK EQUIPMENT PUMP
H-5 BOOM SPEED OR POWER IS LOW IN NORMAL MODE
H-6 BOOM RAISE SPEED OR POWER IS LOW IN HEAVY LIFT MODE
H-7 BOOM LOWER SPEED OR POWER IS LOW IN MACHINE PUSH UP MODE
H-8 ARM SPEED OR POWER IS LOW
H-9 BUCKET SPEED OR POWER IS LOW
H-10 BOOM DOES NOT OPERATE
H-11 ARM DOES NOT OPERATE
H-12 BUCKET DOES NOT OPERATE
H-13 HYDRAULIC DRIFT OF BOOM IS LARGE
H-14 HYDRAULIC DRIFT OF ARM IS LARGE
H-15 HYDRAULIC DRIFT OF BUCKET IS LARGE
H-16 TIME LAG OF BOOM IS LARGE
H-17 TIME LAG OF ARM IS LARGE
H-18 TIME LAG OF BUCKET IS LARGE
H-19 BOOM SHOCKLESS FUNCTION DOES NOT WORK OR CANNOT BE RELEASED
H-20 MACHINE UNINTENTIONALLY TURNS TO ONE SIDE WHEN MACHINE TRAVELS (IT TURNS IN THE SAME DIRECTION WHEN TRAVELING FORWARD AND REVERSE)
H-21 MACHINE UNINTENTIONALLY TURNS TO ONE SIDE WHEN MACHINE TRAVELS (IT TURNS IN THE DIFFERENT DIRECTIONS WHEN TRAVELING FORWARD AND REVERSE)
H-22 ONLY WHEN OPERATING THE TRAVEL LEVER FULLY, TRAVEL DEVIATION IS LARGE AT START OF TRAVELING
H-23 REGARDLESS OF THE STROKE OF THE TRAVEL LEVER, TRAVEL DEVIATION IS LARGE AT START OF TRAVELING
H-24 TRAVEL DEVIATION IS LARGE AT COMBINED OPERATION
H-25 TRAVEL SPEED OR POWER IS LOW
H-26 ONLY THE ONE SIDE TRACK CAN OPERATE (MACHINE DOES NOT TRAVEL EITHER FORWARD OR REVERSE)
H-27 ONLY THE ONE SIDE TRACK CAN OPERATE (MACHINE CAN TRAVEL ONLY FORWARD OR REVERSE)
H-28 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST
H-29 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT
H-30 SWINGS ONLY IN ONE DIRECTION
H-31 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND LEFT)
H-32 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY ONE DIRECTION
H-33 IN COMBINED OPERATION OF WORK EQUIPMENT, SWING SPEED OR POWER IS LOW
H-34 WHILE COMBINED OPERATION WITH BOOM IN SWING PRIORITY MODE, SWING SPEED IS LOW OR SWING ACCELERATION PERFORMANCE IS POOR
H-35 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH RIGHT AND LEFT)
H-36 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE DIRECTION EITHER RIGHT OR LEFT)
H-37 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING (BOTH RIGHT AND LEFT)
H-38 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING
H-39 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING (BOTH RIGHT AND LEFT)
H-40 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING IN ONLY ONE DIRECTION
H-41 SWING DRIFT ON A SLOPE IS LARGE
H-42 FAN SPEED IS ABNORMAL (SUCH AS EXCESSIVE NOISE OR VIBRATION OF FAN, OR OVERHEATING)
TROUBLESHOOTING OF ENGINE (S-MODE)
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)
S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION
S-2 ENGINE CRANKS BUT NO EXHAUST SMOKE COMES OUT
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS BUT DOES NOT START)
S-4 ENGINE STARTABILITY IS UNSATISFACTORY
S-5 ENGINE DOES NOT PICK UP SMOOTHLY
S-6 ENGINE STOPS DURING OPERATION
S-7 ENGINE RUNS ROUGH OR IS NOT STABLE
S-8 ENGINE LACKS POWER
S-9 ENGINE OIL CONSUMPTION IS EXCESSIVE
S-10 OIL BECOMES CONTAMINATED QUICKLY
S-11 FUEL CONSUMPTION IS EXCESSIVE
S-12 OIL MIXES INTO COOLANT (OR COOLANT SPURTS BACK AND COOLANT LEVEL DOES DOWN)
S-13 ENGINE OIL PRESSURE FALLS
S-14 FUEL MIXES INTO ENGINE OIL
S-15 WATER MIXES INTO ENGINE OIL (MILKY)
S-16 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEAT)
S-17 THERE IS AN UNUSUAL NOISE
S-18 VIBRATION IS EXCESSIVE
S-19 AIR CANNOT BE BLED FROM FUEL CIRCUIT
50 DISASSEMBLY AND ASSEMBLY
CONTENTS
ABBREVIATION LIST
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
COATING MATERIALS LIST
SPECIAL TOOLS LIST
SKETCHES OF SPECIAL TOOLS
ENGINE AND COOLING SYSTEM
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY
REMOVE SUPPLY PUMP ASSEMBLY
INSTALL SUPPLY PUMP ASSEMBLY
REMOVE AND INSTALL INJECTOR ASSEMBLY
REMOVE INJECTOR ASSEMBLY
INSTALL INJECTOR ASSEMBLY
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY
REMOVE CYLINDER HEAD ASSEMBLY
INSTALL CYLINDER HEAD ASSEMBLY
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY
METHOD FOR REMOVING STARTING MOTOR ASSEMBLY
METHOD FOR INSTALLING STARTING MOTOR ASSEMBLY
REMOVE AND INSTALL ALTERNATOR BELT
METHOD FOR REMOVING ALTERNATOR BELT
METHOD FOR INSTALLING ALTERNATOR BELT
REMOVE AND INSTALL RADIATOR ASSEMBLY
METHOD FOR REMOVING RADIATOR ASSEMBLY
METHOD FOR INSTALLING RADIATOR ASSEMBLY
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY
METHOD FOR REMOVING HYDRAULIC OIL COOLER ASSEMBLY
METHOD FOR INSTALLING HYDRAULIC OIL COOLER ASSEMBLY
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY
METHOD FOR REMOVING AFTERCOOLER ASSEMBLY
METHOD FOR INSTALLING AFTERCOOLER ASSEMBLY
REMOVE AND INSTALL COOLING FAN MOTOR ASSEMBLY
REMOVE COOLING FAN MOTOR ASSEMBLY
INSTALL COOLING FAN MOTOR ASSEMBLY
REMOVE AND INSTALL ENGINE, PTO, AND HYDRAULIC PUMP ASSEMBLY
REMOVE ENGINE, PTO, AND HYDRAULIC PUMP ASSEMBLY
INSTALL ENGINE, PTO, AND HYDRAULIC PUMP ASSEMBLY
REMOVE AND INSTALL ENGINE FRONT OIL SEAL
REMOVE ENGINE FRONT OIL SEAL
INSTALL ENGINE FRONT OIL SEAL
REMOVE AND INSTALL ENGINE REAR OIL SEAL
METHOD FOR REMOVING ENGINE REAR OIL SEAL
METHOD FOR INSTALLING ENGINE REAR OIL SEAL
REMOVE AND INSTALL FUEL COOLER ASSEMBLY
METHOD FOR REMOVING FUEL COOLER ASSEMBLY
METHOD FOR INSTALLING FUEL COOLER ASSEMBLY
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY
REMOVE ENGINE HOOD ASSEMBLY
INSTALL ENGINE HOOD ASSEMBLY
REMOVE AND INSTALL FUEL TANK ASSEMBLY
REMOVE FUEL TANK ASSEMBLY
INSTALL FUEL TANK ASSEMBLY
REMOVE AND INSTALL MUFFLER ASSEMBLY
REMOVE MUFFLER ASSEMBLY
INSTALL MUFFLER ASSEMBLY
REMOVE AND INSTALL BELLOWS PIPE ASSEMBLY
REMOVE BELLOWS PIPE ASSEMBLY
INSTALL BELLOWS PIPE ASSEMBLY
REMOVE AND INSTALL AIR CLEANER ASSEMBLY
REMOVE AIR CLEANER ASSEMBLY
INSTALL AIR CLEANER ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVE AIR CONDITIONER COMPRESSOR ASSEMBLY
INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY
METHOD FOR REMOVING AIR CONDITIONER CONDENSER ASSEMBLY
METHOD FOR INSTALLING AIR CONDITIONER CONDENSER ASSEMBLY
POWER TRAIN
DISASSEMBLE AND ASSEMBLE PTO ASSEMBLY
METHOD FOR DISASSEMBLING PTO ASSEMBLY
METHOD FOR ASSEMBLING PTO ASSEMBLY
REMOVE AND INSTALL PTO ASSEMBLY
METHOD FOR REMOVING PTO ASSEMBLY
METHOD FOR INSTALLING PTO ASSEMBLY
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
METHOD FOR REMOVING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
METHOD FOR INSTALLING TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY
METHOD FOR DISASSEMBLING FINAL DRIVE ASSEMBLY
METHOD FOR ASSEMBLING FINAL DRIVE ASSEMBLY
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY
METHOD FOR REMOVING SWING MOTOR AND SWING MACHINERY ASSEMBLY
METHOD FOR INSTALLING SWING MOTOR AND SWING MACHINERY ASSEMBLY
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY
METHOD FOR DISASSEMBLING SWING MACHINERY ASSEMBLY
METHOD FOR ASSEMBLING SWING MACHINERY ASSEMBLY
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY
METHOD FOR REMOVING SWING CIRCLE ASSEMBLY
METHOD FOR INSTALLING SWING CIRCLE ASSEMBLY
UNDERCARRIAGE AND FRAME
REMOVE AND INSTALL IDLER ASSEMBLY
METHOD FOR REMOVING IDLER ASSEMBLY
METHOD FOR INSTALLING IDLER ASSEMBLY
DISASSEMBLE AND ASSEMBLE RECOIL SPRING
METHOD FOR DISASSEMBLING AND ASSEMBLING RECOIL SPRING
METHOD FOR ASSEMNLING RECOIL SPRING ASSEMBLY
REMOVE AND INSTALL TRACK ROLLER ASSEMBLY
METHOD FOR REMOVING TRACK ROLLER ASSEMBLY
METHOD FOR INSTALLING TRACK ROLLER ASSEMBLY
REMOVE AND INSTALL CARRIER ROLLER ASSEMBLY
METHOD FOR REMOVING CARRIER ROLLER ASSEMBLY
METHOD FOR INSTALLING CARRIER ROLLER ASSEMBLY
DISASSEMBLE AND ASSEMBLE ONE TRACK LINK ASSEMBLY IN FIELD
METHOD FOR DISASSEMBLING ONE TRACK LINK ASSEMBLY IN FIELD
METHOD FOR ASSEMBLING ONE TRACK LINK ASSEMBLY IN FIELD
SEPARATION AND CONNECTION OF TRACK ASSEMBLY
METHOD FOR SEPARATING TRACK ASSEMBLY
METHOD FOR INSTALLING TRACK ASSEMBLY
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY
METHOD FOR DISASSEMBLING IDLER ASSEMBLY
METHOD FOR ASSEMBLING IDLER ASSEMBLY
DISASSEMBLE AND ASSEMBLE AIDLER ADJUSTMENT CYLINDER ASSEMBLY
METHOD FOR DISASSEMBLING AIDLER ADJUSTMENT CYLINDER ASSEMBLY
METHOD FOR ASSEMBLING AIDLER ADJUSTMENT CYLINDER ASSEMBLY
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY
METHOD FOR DISASSEMBLING TRACK ROLLER ASSEMBLY
METHOD FOR ASSEMBLING TRACK ROLLER ASSEMBLY
DISASSEMBLEAND ASSEMBLE CARRIER ROLLER ASSEMBLY
METHOD FOR DISASSEMBLING CARRIER ROLLER ASSEMBLY
METHOD FOR ASSEMBLING CARRIER ROLLER ASSEMBLY
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY
METHOD FOR REMOVING REVOLVING FRAME ASSEMBLY
METHOD FOR INSTALLING REVOLVING FRAME ASSEMBLY
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY
METHOD FOR REMOVING COUNTERWEIGHT ASSEMBLY
METHOD FOR INSTALLING COUNTERWEIGHT ASSEMBLY
HYDRAULIC SYSTEM
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY
METHOD FOR REMOVING CENTER SWIVEL JOINT ASSEMBLY
METHOD FOR INSTALLING CENTER SWIVEL JOINT ASSEMBLY
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY
METHOD FOR DISASSEMBLING CENTER SWIVEL JOINT ASSEMBLY
METHOD FOR ASSEMBLING CENTER SWIVEL JOINT ASSEMBLY
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY
METHOD FOR REMOVING HYDRAULIC TANK ASSEMBLY
METHOD FOR INSTALLING HYDRAULIC TANK ASSEMBLY
REMOVE AND INSTALL HYDRAULIC PUMP ASSEMBLY
REMOVE HYDRAULIC PUMP ASSEMBLY
INSTALL HYDRAULIC PUMP ASSEMBLY
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY
METHOD FOR REMOVING CONTROL VALVE ASSEMBLY
METHOD FOR INSTALLING CONTROL VALVE ASSEMBLY
REMOVE AND INSTALL SWING MOTOR ASSEMBLY
METHOD FOR REMOVING SWING MOTOR ASSEMBLY
METHOD FOR INSTALLING SWING MOTOR ASSEMBLY
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY
METHOD FOR DISASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY
METHOD FOR ASSEMBLING WORK EQUIPMENT PPC VALVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY
METHOD FOR DISASSEMBLING TRAVEL PPC VALVE ASSEMBLY
METHOD FOR ASSEMBLING TRAVEL PPC VALVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE GREASE GUN ASSEMBLY
METHOD FOR DISASSEMBLING GREASE GUN ASSEMBLY
METHOD FOR ASSEMBLING GREASE GUN ASSEMBLY
WORK EQUIPMENT
REMOVE AND INSTALL BUCKET CYLINDER ASSEMBLY
METHOD FOR REMOVING BUCKET CYLINDER ASSEMBLY
METHOD FOR INSTALLING BUCKET CYLINDER ASSEMBLY
REMOVE AND INSTALL BUCKET CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE BUCKET CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
INSTALL BUCKET CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE AND INSTALL ARM CYLINDER ASSEMBLY
METHOD FOR REMOVING ARM CYLINDER ASSEMBLY
METHOD FOR INSTALLING ARM CYLINDER ASSEMBLY
REMOVE AND INSTALL ARM CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE ARM CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
INSTALL ARM CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE AND INSTALL BOOM CYLINDER ASSEMBLY
METHOD FOR REMOVING BOOM CYLINDER ASSEMBLY
METHOD FOR INSTALLING BOOM CYLINDER ASSEMBLY
REMOVE AND INSTALL BOOM CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE BOOM CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
INSTALL BOOM CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE AND INSTALL BUCKET ASSEMBLY
METHOD FOR REMOVING BUCKET ASSEMBLY
METHOD FOR INSTALLING BUCKET ASSEMBLY
REMOVE AND INSTALL BUCKET ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE BUCKET ASSEMBLY (LOADING SHOVEL SPECIFICATION)
INSTALL BUCKET ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE AND INSTALL ARM ASSEMBLY
METHOD FOR REMOVING ARM ASSEMBLY
METHOD FOR INSTALLING ARM ASSEMBLY
REMOVE AND INSTALL ARM ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE ARM ASSEMBLY (LOADING SHOVEL SPECIFICATION)
INSTALL ARM ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE AND INSTALL BOOM ASSEMBLY
METHOD FOR REMOVING BOOM ASSEMBLY
METHOD FOR INSTALLING BOOM ASSEMBLY
REMOVE AND INSTALL BOOM ASSEMBLY (LOADING SHOVEL SPECIFICATION)
REMOVE BOOM ASSEMBLY (LOADING SHOVEL SPECIFICATION)
INSTALL BOOM ASSEMBLY (LOADING SHOVEL SPECIFICATION)
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY
METHOD FOR DISASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY
METHOD FOR ASSEMBLING WORK EQUIPMENT CYLINDER ASSEMBLY
DISASSEMBLE AND ASSEMBLE BOTTOM DUMP CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
DISASSEMBLE BOTTOM DUMP CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
ASSEMBLE BOTTOM DUMP CYLINDER ASSEMBLY (LOADING SHOVEL SPECIFICATION)
CAB AND ITS ATTACHMENTS
REMOVE AND INSTALL TOP GUARD ASSEMBLY
REMOVE TOP GUARD ASSEMBLY
INSTALL TOP GUARD ASSEMBLY
REMOVE AND INSTALL OPERATOR’S CAB ASSEMBLY
REMOVE OPERATOR CAB ASSEMBLY
INSTALL OPERATOR CAB ASSEMBLY
REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS)
METHOD FOR REMOVING OPERATOR CAB GLASS (ADHERED GLASS)
METHOD FOR INSTALLING OPERATOR CAB GLASS (ADHERED GLASS)
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY
METHOD FOR REMOVING FRONT WINDOW ASSEMBLY
METHOD FOR INSTALLING FRONT WINDOW ASSEMBLY
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY
REMOVE FLOOR FRAME ASSEMBLY
INSTALL FLOOR FRAME ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY
METHOD FOR REMOVING AIR CONDITIONER UNIT ASSEMBLY
METHOD FOR INSTALLING AIR CONDITIONER UNIT ASSEMBLY
REMOVE AND INSTALL OPERATOR’S SEAT
METHOD FOR REMOVING OPERATOR’S SEAT
METHOD FOR INSTALLING OPERATOR’S SEAT
REMOVE AND INSTALL SEAT BELT
METHOD FOR REMOVING SEAT BELT
METHOD FOR INSTALLING SEAT BELT
REMOVE AND INSTALL FRONT WIPER ASSEMBLY
METHOD FOR REMOVING FRONT WIPER ASSEMBLY
METHOD FOR INSTALLING FRONT WIPER ASSEMBLY
ELECTRICAL SYSTEM
REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY
REMOVE ENGINE CONTROLLER ASSEMBLY
INSTALL ENGINE CONTROLLER ASSEMBLY
REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY
METHOD FOR REMOVING PUMP CONTROLLER ASSEMBLY
METHOD FOR INSTALLING PUMP CONTROLLER ASSEMBLY
REMOVE AND INSTALL KomVision CONTROLLER ASSEMBLY
METHOD FOR REMOVING KomVision CONTROLLER ASSEMBLY
METHOD FOR INSTALLING KomVision CONTROLLER
REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY
METHOD FOR REMOVING MACHINE MONITOR ASSEMBLY
METHOD FOR INSTALLING MACHINE MONITOR ASSEMBLY
REMOVE AND INSTALL CRANKCASE PRESSURE SENSOR
REMOVE CRANKCASE PRESSURE SENSOR
INSTALL CRANKCASE PRESSURE SENSOR
REMOVE AND INSTALL KomVision CAMERA
METHOD FOR REMOVING KomVision CAMERA
METHOD FOR INSTALLING KomVision CAMERA
REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY
METHOD FOR REMOVING KOMTRAX TERMINAL ASSEMBLY
METHOD FOR INSTALLING KOMTRAX TERMINAL ASSEMBLY
REMOVE AND INSTALL KOMTRAX Plus CONTROLLER ASSEMBLY
REMOVE KOMTRAX Plus CONTROLLER ASSEMBLY
INSTALL KOMTRAX Plus CONTROLLER ASSEMBLY
REMOVE AND INSTALL WIRELESS LAN UNIT ASSEMBLY
REMOVE WIRELESS LAN UNIT ASSEMBLY
INSTALL WIRELESS LAN UNIT ASSEMBLY
60 MAINTENANCE STANDARD
CONTENTS
ENGINE AND COOLING SYSTEM
MAINTENANCE STANDARD OF ENGINE MOUNT
MAINTENANCE STANDARD FOR PTO
MAINTENANCE STANDARD OF COOLING SYSTEM
MAINTENANCE STANDARD OF COOLING FAN PUMP
MAINTENANCE STANDARD OF EPC VALVE OF COOLING FAN PUMP
MAINTENANCE STANDARD OF COOLING FAN MOTOR
POWER TRAIN
MAINTENANCE STANDARD OF SWING CIRCLE
MAINTENANCE STANDARD OF SWING MACHINERY
MAINTENANCE STANDARD OF FINAL DRIVE
MAINTENANCE STANDARD OF SPROCKET
MAINTENANCE STANDARD OF SPROCKET TOOTH PROFILE FULL-SCALE DRAWING
UNDERCARRIAGE AND FRAME
MAINTENANCE STANDARD OF TRACK FRAME AND IDLER CUSHION
MAINTENANCE STANDARD OF IDLER
MAINTENANCE STANDARD OF TRACK ROLLER
MAINTENANCE STANDARD OF CARRIER ROLLER
MAINTENANCE STANDARD OF TRACK SHOE
MAINTENANCE STANDARD OF DOUBLE SHOE
HYDRAULIC SYSTEM
MAINTENANCE STANDARD OF MAIN PUMP
MAINTENANCE STANDARD OF SWING MOTOR
MAINTENANCE STANDARD OF CONTROL VALVE
MAINTENANCE STANDARD OF STRAIGHT TRAVEL VALVE OF CONTROL VALVE
MAINTENANCE STANDARD OF VARIABLE BACK PRESSURE VALVE
MAINTENANCE STANDARD OF WORK EQUIPMENT AND SWING PPC VALVE
MAINTENANCE STANDARD OF TRAVEL PPC VALVE
MAINTENANCE STANDARD OF SOLENOID VALVE
MAINTENANCE STANDARD OF CENTER SWIVEL JOINT
WORK EQUIPMENT
MAINTENANCE STANDARD OF WORK EQUIPMENT LINKAGE
DIMENSION OF ARM
DIMENSIONS OF BUCKET
MAINTENANCE STANDARD OF BOOM CYLINDER
MAINTENANCE STANDARD OF ARM CYLINDER
MAINTENANCE STANDARD OF BUCKET CYLINDER
80 APPENDIX
CONTENTS
AIR CONDITIONER SYSTEM
PRECAUTIONS FOR REFRIGERANT
AIR CONDITIONER COMPONENT
SPECIFICATIONS OF AIR CONDITIONER
CONFIGURATION AND FUNCTION OF REFRIGERATION CYCLE
OUTLINE OF REFRIGERATION CYCLE
COMPONENT PARTS OF AIR CONDITIONER SYSTEM
AIR CONDITIONER UNIT
CONFIGURATION DIAGRAM OF AIR CONDITIONER UNIT
FUNCTION OF AIR CONDITIONER UNIT
COMPONENT PARTS OF AIR CONDITIONER UNIT
FUNCTION OF EVAPORATOR AS AIR CONDITIONER UNIT COMPONENT
FUNCTION OF HEATER CORE AS AIR CONDITIONER UNIT COMPONENT
FUNCTION OF EVAPORATOR TEMPERATURE SENSOR AS AIR CONDITIONER UNIT COMPONENT
FUNCTION OF SERVO MOTOR AS AIR CONDITIONER UNIT COMPONENT
STRUCTURE OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT
FUNCTION OF EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT
OPERATE EXPANSION VALVE AS AIR CONDITIONER UNIT COMPONENT
FUNCTION OF DUAL PRESSURE SWITCH
AIR CONDITIONER CONTROLLER
STRUCTURE OF AIR CONDITIONER CONTROLLER
COMPRESSOR
STRUCTURE OF COMPRESSOR
SPECIFICATIONS OF COMPRESSOR
FUNCTION OF COMPRESSOR
CONDENSER
STRUCTURE OF CONDENSER
SPECIFICATIONS OF CONDENSER
FUNCTION OF CONDENSER
RECEIVER DRIER
STRUCTURE OF RECEIVER DRIER
SPECIFICATIONS OF RECEIVER DRIER
FUNCTION OF RECEIVER DRIER
SENSORS FOR AIR CONDITIONER SYSTEM
STRUCTURE OF SUNLIGHT SENSOR
FUNCTION OF SUNLIGHT SENSOR
STRUCTURE OF AMBIENT TEMPERATURE SENSOR
FUNCTION OF AMBIENT TEMPERATURE SENSOR
EXPLANATION OF PROCEDURE FOR TESTING AND TROUBLESHOOTING OF AIR CONDITIONER
CIRCUIT DIAGRAM AND ARRANGEMENT OF CONNECTOR PINS FOR AIR CONDITIONER
AIR CONDITIONER SYSTEM DIAGRAM
INPUT AND OUTPUT SIGNALS OF AIR CONDITIONER CONTROLLER
FUNCTION OF AIR CONDITIONER CONTROLLER
INSTALLATION LOCATIONS OF AIR CONDITIONER PARTS AND ARRANGEMENT OF CONNECTORS
TESTING AIR LEAKAGE (DUCT)
METHOD FOR TESTING AIR LEAKAGE (DUCT)
TESTING AIR CONDITIONER USING SELF-DIAGNOSIS FUNCTION
HOW TO OPEN THE ELECTRICAL SYSTEM ABNORMALITY RECORD SCREEN IN SERVICE MODE OF THE MACHINE MONITOR
TEST VENT (MODE) CHANGEOVER
METHOD FOR TESTING VENT (MODE) CHANGEOVER
TESTING FRESH/RECIRC AIR CHANGEOVER
METHOD FOR TESTING FRESH/RECIRC AIR CHANGEOVER
TEST SUNLIGHT SENSOR
METHOD FOR TESTING SUNLIGHT SENSOR
TEST (DUAL) PRESSURE SWITCH FOR REFRIGERANT
METHOD FOR TESTING (DUAL) PRESSURE SWITCH FOR REFRIGERANT
TEST RELAYS
METHOD FOR TESTING RELAYS
AIR CONDITIONER TROUBLESHOOTING CHART 1
AIR CONDITIONER TROUBLESHOOTING CHART 2
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
FAILURE CODE [879AKA]
FAILURE CODE [879AKB]
FAILURE CODE [879BKA]
FAILURE CODE [879BKB]
FAILURE CODE [879CKA]
FAILURE CODE [879CKB]
FAILURE CODE [879DKZ]
FAILURE CODE [879EMC]
FAILURE CODE [879FMC]
FAILURE CODE [879GKX]
A-1 TROUBLESHOOTING FOR POWER SUPPLY SYSTEM (AIR CONDITIONER DOES NOT OPERATE)
A-2 TROUBLESHOOTING FOR COMPRESSOR AND REFRIGERANT SYSTEM (AIR IS NOT COOLED)
A-3 TROUBLESHOOTING FOR BLOWER MOTOR SYSTEM (NO AIR COMES OUT OR AIR FLOW IS ABNORMAL)
A-4 TROUBLESHOOTING FOR FRESH/RECIRC AIR CHANGEOVER
TROUBLESHOOTING USING GAUGE PRESSURE
CONNECTION OF SERVICE TOOL
METHOD FOR CONNECTING SERVICE TOOL
PRECAUTIONS FOR DISCONNECTING AND CONNECTING HOSES AND TUBES IN AIR CONDITIONER PIPINGS
HANDLE COMPRESSOR OIL
90 CIRCUIT DIAGRAMS
CONTENTS
HYDRAULIC CIRCUIT DIAGRAM
SYMBOLS USED IN HYDRAULIC CIRCUIT DIAGRAM
HYDRAULIC CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM
SYMBOLS USED IN ELECTRICAL CIRCUIT DIAGRAM
ELECTRICAL CIRCUIT DIAGRAM (1/16)
ELECTRICAL CIRCUIT DIAGRAM (2/16)
ELECTRICAL CIRCUIT DIAGRAM (3/16)
ELECTRICAL CIRCUIT DIAGRAM (4/16)
ELECTRICAL CIRCUIT DIAGRAM (5/16)
ELECTRICAL CIRCUIT DIAGRAM (6/16)
ELECTRICAL CIRCUIT DIAGRAM (7/16)
ELECTRICAL CIRCUIT DIAGRAM (8/16)
ELECTRICAL CIRCUIT DIAGRAM (9/16)
ELECTRICAL CIRCUIT DIAGRAM (10/16)
ELECTRICAL CIRCUIT DIAGRAM (11/16)
ELECTRICAL CIRCUIT DIAGRAM (12/16)
ELECTRICAL CIRCUIT DIAGRAM (13/16)
ELECTRICAL CIRCUIT DIAGRAM (14/16)
ELECTRICAL CIRCUIT DIAGRAM (15/16)
ELECTRICAL CIRCUIT DIAGRAM (16/16)
INDEX