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Komatsu PC138USLC-11 Hydraulic Excavator Service Manual

2,561 pages · Publication SEN06589-03

$259.91
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Models
PC138USLC-11
Serial coverage
50001 and up
Manual type
Service Manual
Pages
2,561
Publication
SEN06589-03
Condition
Brand new
Komatsu PC138USLC-11 Hydraulic Excavator Service Manual, publication SEN06589-03

What's inside

From the manual's own table of contents: 376 sections, 700 entries. See sample pages (PDF, 976 KB)

INDEX AND FOREWORD
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
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS
PRECAUTIONS FOR DEF
STORE AdBlue/DEF
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
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
HOW TO READ ELECTRICAL WIRE CODE
Show all 376 sections
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
STANDARD TIGHTENING TORQUE TABLE
CONVERSION TABLE
SPECIFICATIONS
SPECIFICATION DRAWING
WORKING RANGE DRAWINGS
WEIGHT TABLE
TABLE OF FUEL, COOLANT, AND LUBRICANTS
STRUCTURE AND FUNCTION
UREA SCR SYSTEM
LAYOUT DRAWING OF UREA SCR SYSTEM
UREA SCR SYSTEM DIAGRAM
FUNCTION OF UREA SCR SYSTEM
COMPONENT PARTS OF UREA SCR SYSTEM
SYSTEM
LAYOUT DRAWING OF BOOT-UP SYSTEM
SYSTEM OPERATING LAMP SYSTEM
BATTERY DISCONNECT SWITCH
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE SYSTEM
ENGINE CONTROL SYSTEM
ENGINE AUTOMATIC WARM-UP SYSTEM
OVERHEAT PREVENTION SYSTEM3 topics
  • TURBOCHARGER PROTECTION SYSTEM
  • AUTOMATIC IDLE STOP SYSTEM
  • COMPONENT PARTS OF ENGINE SYSTEM
COOLING SYSTEM1 topic
  • LAYOUT DRAWING OF COOLING SYSTEM
CONTROL SYSTEM5 topics
  • LAYOUT DRAWING OF CONTROL SYSTEM
  • MACHINE MONITOR SYSTEM
  • KomVision SYSTEM
  • KOMTRAX SYSTEM
  • COMPONENT PARTS OF CONTROL SYSTEM
HYDRAULIC SYSTEM4 topics
  • LAYOUT DRAWING OF HYDRAULIC SYSTEM
  • CLSS
  • ENGINE AND PUMP COMBINED CONTROL SYSTEM
  • COMPONENT PARTS OF HYDRAULIC SYSTEM
WORK EQUIPMENT SYSTEM6 topics
  • LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
  • STRUCTURE OF VALVE CONTROL
  • PPC LOCK SYSTEM
  • WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM
  • OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT
  • COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
SWING SYSTEM3 topics
  • LAYOUT DRAWING OF SWING SYSTEM
  • SWING CONTROL SYSTEM DIAGRAM
  • COMPONENT PARTS OF SWING SYSTEM
TRAVEL SYSTEM3 topics
  • LAYOUT DRAWING OF TRAVEL SYSTEM
  • TRAVEL CONTROL SYSTEM DIAGRAM
  • COMPONENT PARTS OF TRAVEL SYSTEM
UNDERCARRIAGE AND FRAME2 topics
  • LAYOUT DRAWING OF UNDERCARRIAGE
  • IDLER CUSHION
WORK EQUIPMENT4 topics
  • STRUCTURE OF WORK EQUIPMENT
  • FUNCTION OF WORK EQUIPMENT
  • WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM
  • BUCKET CLEARANCE ADJUSTMENT SHIM
CAB AND ITS ATTACHMENTS3 topics
  • ROPS CAB
  • CAB MOUNT
  • TAKE WIRING HARNESS OUT OF CAB
STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE1 topic
  • STANDARD VALUE TABLE FOR ENGINE:PC138USLC-11
STANDARD VALUE TABLE FOR MACHINE2 topics
  • STANDARD VALUE TABLE FOR MACHINE:PC138USLC-11
  • MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE
TESTING AND ADJUSTING
RELATED INFORMATION ON TESTING AND ADJUSTING2 topics
  • TOOLS FOR TESTING AND ADJUSTING
  • SKETCH OF TOOLS FOR TESTING AND ADJUSTING
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
TEST EXHAUST GAS COLOR
TEST THE CLEARANCE OF THE EXHAUST THROTTLE VALVE
TEST AND ADJUST VALVE CLEARANCE
TEST COMPRESSION PRESSURE
TEST BLOWBY PRESSURE
TEST ENGINE OIL PRESSURE
TEST FUEL PRESSURE
TEST FUEL RETURN RATE AND LEAKAGE
BLEED AIR FROM FUEL SYSTEM
TEST FUEL CIRCUIT FOR LEAKAGE
HANDLE CYLINDER CUT-OUT MODE OPERATION
HANDLE NO-INJECTION CRANKING OPERATION
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION
TEST ALTERNATOR BELT
TEST AUTOMATIC TENSIONER
TEST COOLING FAN SPEED
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER
TEST SCR RELATED FUNCTIONS
CLEAN AdBlue/DEF TANK
BLEED AIR FROM COOLANT CIRCUIT OF AdBlue/DEF TANK
POWER TRAIN
TEST SWING CIRCLE BEARING CLEARANCE
TEST AND ADJUST TRACK TENSION
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM1 topic
  • CUITS
TEST OIL PRESSURE OF CONTROL CIRCUIT
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT
TEST OUTLET PRESSURE OF SOLENOID VALVE
TEST PPC VALVE OUTLET PRESSURE
ADJUST WORK EQUIPMENT AND SWING PPC VALVES
TEST AND ADJUST TRAVEL DEVIATION
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT
TEST OIL LEAKAGE
BLEED AIR FROM HYDRAULIC CIRCUIT
TEST CAB TIPPING STOPPER
METHOD FOR ADJUSTING MIRRORS
ELECTRICAL SYSTEM
SET AND OPERATE MACHINE MONITOR
METHOD FOR STARTING UP KOMTRAX TERMINAL
ADJUST REARVIEW CAMERA ANGLE
ADJUST KomVision CAMERA ANGLE
ADJUST KomVision RELATED ITEMS
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER
HANDLE BATTERY DISCONNECT SWITCH
TEST DIODES
Pm CLINIC
Pm CLINIC SERVICE
TROUBLESHOOTING
RELATED INFORMATION ON TROUBLESHOOTING
GENERAL TROUBLESHOOTING POINTS15 topics
  • TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM
  • SEQUENCE OF EVENTS IN TROUBLESHOOTING
  • CHECKS BEFORE TROUBLESHOOTING
  • INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
  • TESTING IN ACCORDANCE WITH TESTING PROCEDURE
  • PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM
  • PROCEDURE FOR TESTING AND TROUBLESHOOTING
  • SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS
  • INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
  • SOR SYSTEM
  • CONNECTOR LIST AND LAYOUT
  • CONNECTOR CONTACT IDENTIFICATION
  • FUSE LOCATION TABLE
  • PRECAUTIONS FOR REPLACING KDOC
  • FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)41 topics
  • 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 [989L00]
  • FAILURE CODE [989M00]
  • FAILURE CODE [989N00]
  • FAILURE CODE [A1U0N3]
  • FAILURE CODE [A1U0N4]
  • FAILURE CODE [A900FR]
  • FAILURE CODE [A900N6]
  • FAILURE CODE [A900NY]
  • FAILURE CODE [AA10NX]
  • FAILURE CODE [AB00KE]
  • FAILURE CODE [AQ10MB]
  • FAILURE CODE [AQ10N3]
  • FAILURE CODE [AS00R2]
  • FAILURE CODE [AS00R3]
  • FAILURE CODE [AS00R4]
  • FAILURE CODE [AS00R5]
  • FAILURE CODE [AS00R6]
  • FAILURE CODE [AS00ZK]
  • FAILURE CODE [AS10KM]
  • FAILURE CODE [AS10NR]
  • FAILURE CODE [AS10NT]
  • FAILURE CODE [AU10QA]
  • FAILURE CODE [B@BAZG]
  • FAILURE CODE [B@BAZK]
  • FAILURE CODE [B@BCNS]
  • FAILURE CODE [B@HANS]
  • FAILURE CODE [CA115]
  • FAILURE CODE [CA122]
  • FAILURE CODE [CA123]
  • FAILURE CODE [CA131]
  • FAILURE CODE [CA132]
FAILURE CODE [CA144]
FAILURE CODE [CA145]
FAILURE CODE [CA153]
FAILURE CODE [CA154]
FAILURE CODE [CA187]
FAILURE CODE [CA221]
FAILURE CODE [CA222]
FAILURE CODE [CA227]
FAILURE CODE [CA234]
FAILURE CODE [CA238]
FAILURE CODE [CA239]
FAILURE CODE [CA249]
FAILURE CODE [CA256]
FAILURE CODE [CA271]
FAILURE CODE [CA272]
FAILURE CODE [CA322]
FAILURE CODE [CA324]
FAILURE CODE [CA331]
FAILURE CODE [CA332]
FAILURE CODE [CA343]
FAILURE CODE [CA351]
FAILURE CODE [CA352]
FAILURE CODE [CA356]
FAILURE CODE [CA357]
FAILURE CODE [CA386]
FAILURE CODE [CA435]
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 [CA555]
FAILURE CODE [CA556]
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 [CA1664]
FAILURE CODE [CA1669]
FAILURE CODE [CA1673]
FAILURE CODE [CA1677]
FAILURE CODE [CA1678]
FAILURE CODE [CA1682]
FAILURE CODE [CA1683]
FAILURE CODE [CA1684]
FAILURE CODE [CA1686]
FAILURE CODE [CA1691]
FAILURE CODE [CA1694]
FAILURE CODE [CA1695]
FAILURE CODE [CA1696]58 topics
  • FAILURE CODE [CA1712]
  • FAILURE CODE [CA1713]
  • FAILURE CODE [CA1714]
  • FAILURE CODE [CA1715]
  • FAILURE CODE [CA1776]
  • FAILURE CODE [CA1777]
  • FAILURE CODE [CA1843]
  • FAILURE CODE [CA1844]
  • FAILURE CODE [CA1885]
  • FAILURE CODE [CA1887]
  • FAILURE CODE [CA1896]
  • FAILURE CODE [CA1938]
  • FAILURE CODE [CA1942]
  • FAILURE CODE [CA1961]
  • FAILURE CODE [CA2185]
  • FAILURE CODE [CA2186]
  • FAILURE CODE [CA2249]
  • FAILURE CODE [CA2272]
  • FAILURE CODE [CA2311]
  • FAILURE CODE [CA2349]
  • FAILURE CODE [CA2353]
  • FAILURE CODE [CA2357]
  • FAILURE CODE [CA2636]
  • FAILURE CODE [CA2637]
  • FAILURE CODE [CA2765]
  • FAILURE CODE [CA2771]
  • FAILURE CODE [CA2976]
  • FAILURE CODE [CA3142]
  • FAILURE CODE [CA3143]
  • FAILURE CODE [CA3144]
  • FAILURE CODE [CA3146]
  • FAILURE CODE [CA3147]
  • FAILURE CODE [CA3148]
  • FAILURE CODE [CA3151]
  • FAILURE CODE [CA3165]
  • FAILURE CODE [CA3229]
  • FAILURE CODE [CA3231]
  • FAILURE CODE [CA3232]
  • FAILURE CODE [CA3235]
  • FAILURE CODE [CA3239]
  • FAILURE CODE [CA3241]
  • FAILURE CODE [CA3242]
  • FAILURE CODE [CA3251]
  • FAILURE CODE [CA3313]
  • FAILURE CODE [CA3314]
  • FAILURE CODE [CA3315]
  • FAILURE CODE [CA3419]
  • FAILURE CODE [CA3421]
  • FAILURE CODE [CA3497]
  • FAILURE CODE [CA3498]
  • FAILURE CODE [CA3543]
  • FAILURE CODE [CA3545]
  • FAILURE CODE [CA3547]
  • FAILURE CODE [CA3558]
  • FAILURE CODE [CA3559]
  • FAILURE CODE [CA3562]
  • FAILURE CODE [CA3563]
  • FAILURE CODE [CA3567]
FAILURE CODE [CA3568]
FAILURE CODE [CA3571]
FAILURE CODE [CA3572]
FAILURE CODE [CA3574]
FAILURE CODE [CA3575]
FAILURE CODE [CA3577]
FAILURE CODE [CA3578]
FAILURE CODE [CA3582]
FAILURE CODE [CA3583]
FAILURE CODE [CA3596]
FAILURE CODE [CA3649]
FAILURE CODE [CA3681]
FAILURE CODE [CA3682]
FAILURE CODE [CA3713]
FAILURE CODE [CA3717]
FAILURE CODE [CA3718]
FAILURE CODE [CA3724]
FAILURE CODE [CA3725]
FAILURE CODE [CA3748]
FAILURE CODE [CA3755]
FAILURE CODE [CA3866]
FAILURE CODE [CA3867]
FAILURE CODE [CA3868]
FAILURE CODE [CA3899]
FAILURE CODE [CA3911]
FAILURE CODE [CA3912]
FAIULER CODE [CA3918]
FAIULER CODE [CA3921]
FAILURE CODE [CA3928]
FAILURE CODE [CA3932]
FAILURE CODE [CA3933]
FAILURE CODE [CA3934]
FAILURE CODE [CA3935]
FAILURE CODE [CA3936]
FAILURE CODE [CA4152]
FAILURE CODE [CA4155]
FAILURE CODE [CA4156]
FAILURE CODE [CA4157]
FAILURE CODE [CA4159]
FAILURE CODE [CA4164]
FAILURE CODE [CA4165]
FAILURE CODE [CA4166]
FAILURE CODE [CA4168]
FAILURE CODE [CA4169]
FAILURE CODE [CA4171]
FAILURE CODE [CA4249]
FAILURE CODE [CA4251]
FAILURE CODE [CA4261]
FAILURE CODE [CA4277]
FAILURE CODE [CA4281]
FAILURE CODE [CA4459]
FAILURE CODE [CA4461]
FAILURE CODE [CA4533]
FAILURE CODE [CA4534]
FAILURE CODE [CA4731]
FAILURE CODE [CA4732]
FAILURE CODE [CA4739]
FAILURE CODE [CA4768]58 topics
  • FAILURE CODE [CA4769]
  • FAILURE CODE [CA4842]
  • FAILURE CODE [CA4952]
  • FAILURE CODE [CA5115]
  • FAILURE CODE [CA5179]
  • FAILURE CODE [CA5181]
  • FAILURE CODE [CA5271]
  • FAILURE CODE [CA5272]
  • FAILURE CODE [CA5273]
  • FAILURE CODE [CA5274]
  • FAILURE CODE [CA5275]
  • FAILURE CODE [CA5276]
  • FAILURE CODE [CA5277]
  • FAILURE CODE [CA5387]
  • FAILURE CODE [CA5388]
  • FAILURE CODE [CA5389]
  • FAILURE CODE [CA5391]
  • FAILURE CODE [CA5392]
  • FAILURE CODE [CA5393]
  • FAILURE CODE [CA5394]
  • FAILURE CODE [CA5395]
  • FAILURE CODE [CA5396]
  • FAILURE CODE [CA5631]
  • FAILURE CODE [CA5938]
  • FAILURE CODE [D110KB]
  • FAILURE CODE [D19JKZ]
  • FAILURE CODE [D811MC]
  • FAILURE CODE [D862KA]
  • FAILURE CODE [D8ALKA]
  • FAILURE CODE [D8ALKB]
  • FAILURE CODE [D8AQKR]
  • 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 [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 [DB90MC]
  • FAILURE CODE [DBP0KM]
  • FAILURE CODE [DBP0KT]
  • FAILURE CODE [DBPQKR]
  • FAILURE CODE [DDNRKA]
  • FAILURE CODE [DDNRKY]
FAILURE CODE [DDNS00]
FAILURE CODE [DGH2KA]
FAILURE CODE [DGH2KB]
FAILURE CODE [DHA4KA]
FAILURE CODE [DHPAMA]
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 [DHSKMA]
FAILURE CODE [DHSLMA]
FAILURE CODE [DKULKA]
FAILURE CODE [DKULKB]
FAILURE CODE [DKULKY]
FAILURE CODE [DLM5KA]
FAILURE CODE [DLM5MB]
FAILURE CODE [DR10KA]
FAILURE CODE [DR21KX]
FAILURE CODE [DUMBKA]
FAILURE CODE [DUMBKB]
FAILURE CODE [DV20KB]
FAILURE CODE [DW43KA]
FAILURE CODE [DW43KB]
FAILURE CODE [DW43KY]
FAILURE CODE [DW45KA]
FAILURE CODE [DW45KB]
FAILURE CODE [DW45KY]
FAILURE CODE [DW4CKY]
FAILURE CODE [DW91KA]
FAILURE CODE [DW91KB]
FAILURE CODE [DW91KY]
FAILURE CODE [DWA2KA]
FAILURE CODE [DWA2KB]
FAILURE CODE [DWA2KY]
FAILURE CODE [DWJ0KA]
FAILURE CODE [DWJ0KB]
FAILURE CODE [DWJ0KY]
FAILURE CODE [DWK2KA]
FAILURE CODE [DWK2KB]
FAILURE CODE [DWK2KY]
FAILURE CODE [DWN5KA]
FAILURE CODE [DWN5KB]
FAILURE CODE [DWN5KY]
FAILURE CODE [DWNSKA]
FAILURE CODE [DWNSKB]
FAILURE CODE [DWNSKY]
FAILURE CODE [DXA8KA]
FAILURE CODE [DXA8KB]
FAILURE CODE [DXE4KA]
FAILURE CODE [DXE4KB]6 topics
  • FAILURE CODE [DXE4KY]
  • FAILURE CODE [DY20KA]
  • FAILURE CODE [DY20MA]
  • FAILURE CODE [DY2CKB]
  • FAILURE CODE [DY2DKB]
  • FAILURE CODE [DY2EKB]
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)29 topics
  • ENGINE DOES NOT START (ENGINE DOES NOT CRANK)
  • MANUAL PREHEATING SYSTEM DOES NOT WORK
  • WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP
  • NOTHING
  • NING
  • CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
  • FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
  • ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
  • FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM
  • DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL
  • OR MAXIMUM
  • ANT TEMPERATURE
  • MAXIMUM
  • PERATURE
  • SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED
  • FUNCTION SWITCH DOES NOT OPERATE
  • AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER)
  • DOES NOT LIGHT UP OR DOES NOT GO OFF
  • AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER
  • NOT DISPLAYED
  • NOT CHANGED
  • CHANGE
  • ALARM BUZZER CANNOT BE CANCELED
  • SERVICE MODE CANNOT BE SELECTED
  • ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE
  • ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK
  • SWING
  • BRAKE DOES NOT OPERATE
  • SWITCH IS IN RELEASE POSITION
ALARM DOES NOT SOUND DURING TRAVEL
ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED
HORN DOES NOT SOUND
HORN DOES NOT STOP SOUNDING
WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE
ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
BLADE RAISE ON IS NOT DISPLAYED CORRECTLY WITH MONITORING
BLADE LOWER ON IS NOT DISPLAYED CORRECTLY WITH MONITORING
KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE)
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)
FAILURE MODE AND CAUSE TABLE
ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT WORK
ALL WORK EQUIPMENT, SWING AND TRAVEL LACK SPEED AND POWER
FINE CONTROL PERFORMANCE OR RESPONSE IS POOR
UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP
ENGINE SPEED DROPS LARGELY OR ENGINE STOPS
SPEED OR POWER OF BOOM IS LOW
ARM SPEED OR POWER IS LOW
BUCKET SPEED OR POWER IS LOW
BLADE SPEED OR POWER IS LOW
WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION
HYDRAULIC DRIFT OF BOOM IS LARGE
HYDRAULIC DRIFT OF ARM IS LARGE
HYDRAULIC DRIFT OF BUCKET IS LARGE
HYDRAULIC DRIFT OF BLADE IS LARGE1 topic
  • MENT MOVES
TIME LAG OF WORK EQUIPMENT IS LARGE
ATTACHMENT CIRCUIT CANNOT BE CHANGED
OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED16 topics
  • MOVES SLOWER
  • MACHINE DOES NOT TRAVEL STRAIGHT
  • MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW
  • TRAVEL SPEED IS LOW
  • ONE OF TRACKS DOES NOT RUN
  • TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST
  • UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT
  • SWINGS ONLY IN ONE DIRECTION
  • LEFT)
  • ONE DIRECTION
  • RIGHT AND LEFT)
  • DIRECTION EITHER RIGHT OR LEFT)
  • SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING
  • LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING
  • FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY)
  • UNUSUAL NOISE IS HEARD FROM AROUND FAN
TROUBLESHOOTING OF ENGINE (S-MODE)25 topics
  • INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)
  • ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT
  • BUT DOES NOT START)
  • ENGINE STARTABILITY IS POOR
  • ENGINE DOES NOT PICK UP SMOOTHLY
  • ENGINE STOPS DURING OPERATION
  • ENGINE RUNS ROUGH OR IS UNSTABLE
  • ENGINE LACKS POWER
  • EXHAUST SMOKE IS BLACK
  • ENGINE OIL CONSUMPTION IS EXCESSIVE
  • OIL BECOMES CONTAMINATED QUICKLY
  • FUEL CONSUMPTION IS EXCESSIVE
  • OIL PRESSURE DROPS
  • FUEL MIXES INTO ENGINE OIL
  • WATER MIXES INTO ENGINE OIL (MILKY)
  • COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING)
  • UNUSUAL NOISE IS HEARD
  • VIBRATION IS EXCESSIVE
  • AIR CANNOT BE BLED FROM FUEL CIRCUIT
  • ACTIVE REGENERATION IS EXECUTED FREQUENTLY
  • ACTIVE REGENERATION TAKES TIME
  • WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION
  • AdBlue/DEF CONSUMPTION IS EXCESSIVE
  • THERE IS UNUSUAL SMELL (IRRITATING ODOR)
  • FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES)
DISASSEMBLY AND ASSEMBLY
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY
HOW TO READ THIS MANUAL
COATING MATERIALS LIST
SPECIAL TOOLS LIST
SKETCHES OF SPECIAL TOOLS
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY
REMOVE AND INSTALL INJECTOR ASSEMBLY
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY
REMOVE AND INSTALL EGR VALVE ASSEMBLY
REMOVE AND INSTALL EGR COOLER ASSEMBLY
REMOVE AND INSTALL STARTER ASSEMBLY
REMOVE AND INSTALL ALTERNATOR BELT
REMOVE AND INSTALL AUTOMATIC TENSIONER
REMOVE AND INSTALL RADIATOR ASSEMBLY
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY
REMOVE AND INSTALL FAN CLUTCH ASSEMBLY
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY
REMOVE AND INSTALL ENGINE FRONT OIL SEAL
REMOVE AND INSTALL ENGINE REAR OIL SEAL
REMOVE AND INSTALL FUEL COOLER ASSEMBLY
REMOVE AND INSTALL KDOC ASSEMBLY
REMOVE AND INSTALL KDOC AND SCR ASSEMBLY
REMOVE AND INSTALL FUEL TANK ASSEMBLY
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR
REMOVE AND INSTALL AdBlue/DEF TANK STRAINER
REMOVE AND INSTALL SCR ASSEMBLY
REMOVE AND INSTALL KDOC AND SCR ASSEMBLY BRACKET
REMOVE AND INSTALL BELLOWS PIPE ASSEMBLY
REMOVE AND INSTALL KCCV ASSEMBLY
REMOVE AND INSTALL EXHAUST THROTTLE VALVE
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE
REMOVE AND INSTALL AdBlue/DEF INJECTOR
REMOVE AND INSTALL AdBlue/DEF PUMP
REMOVE AND INSTALL AdBlue/DEF HOSE
REMOVE AND INSTALL AIR CLEANER ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
DISASSEMBLE AND ASSEMBLE TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY
SEPARATION AND CONNECTION OF TRACK ASSEMBLY
REMOVE AND INSTALL SPROCKET
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY29 topics
  • DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY
  • REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY
  • REMOVE AND INSTALL MAIN PUMP ASSEMBLY
  • REMOVE AND INSTALL CONTROL VALVE ASSEMBLY
  • DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY
  • DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY
  • DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY
  • REMOVE AND INSTALL BLADE ASSEMBLY
  • REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY
  • DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT CYLINDER ASSEMBLY
  • REMOVE AND INSTALL OPERATOR'S CAB ASSEMBLY
  • REMOVE AND INSTALL OPERATOR'S CAB DOOR
  • REMOVE AND INSTALL OPERATOR CAB GLASS (ADHERED GLASS)
  • REMOVE AND INSTALL FRONT WINDOW ASSEMBLY
  • REMOVE AND INSTALL FLOOR FRAME ASSEMBLY
  • REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY
  • REMOVE AND INSTALL OPERATOR'S SEAT
  • REMOVE AND INSTALL SEAT BELT
  • REMOVE AND INSTALL FRONT WIPER ASSEMBLY
  • REMOVE AND INSTALL ENGINE CONTROLLER ASSEMBLY
  • REMOVE AND INSTALL PUMP CONTROLLER ASSEMBLY
  • REMOVE AND INSTALL KomVision CONTROLLER ASSEMBLY
  • REMOVE AND INSTALL MACHINE MONITOR ASSEMBLY
  • REMOVE AND INSTALL MASS AIR FLOW AND TEMPERATURE SENSOR
  • REMOVE AND INSTALL KCCV CRANKCASE PRESSURE SENSOR
  • REMOVE AND INSTALL SCR TEMPERATURE SENSOR
  • REMOVE AND INSTALL REARVIEW CAMERA
  • REMOVE AND INSTALL KomVision CAMERA
  • REMOVE AND INSTALL KOMTRAX TERMINAL ASSEMBLY
MAINTENANCE STANDARD6 topics
  • MAINTENANCE STANDARD OF ENGINE MOUNT
  • MAINTENANCE STANDARD FOR PTO
  • MAINTENANCE STANDARD OF COOLING SYSTEM
  • MAINTENANCE STANDARD OF SWING CIRCLE
  • MAINTENANCE STANDARD OF SWING MACHINERY
  • MAINTENANCE STANDARD OF SPROCKET

Inside this manual

Real pages from this service manual (2,561 pages). Open the sample pages (PDF, 975 KB)

Sample pages from the Komatsu PC138USLC-11 Hydraulic Excavator Service Manual: Specifications, Troubleshooting, Diagram, Color page, Color page, Foldout diagram
  • Specifications, page 105: Specification to which the blade
  • Troubleshooting, page 1,236: FAILURE CODE [CA4155]
  • Diagram, page 2,484: Related circuit diagram
  • Color page: COOLING SYSTEM
  • Color page: HYDRAULIC SYSTEM
  • Foldout diagram: ELECTRICAL CIRCUIT DIAGRAM (1/9)

Other manuals for this machine

Save 10% on 2 manuals, 15% on 3 or more. Other manuals for the PC138USLC-11 are listed below. Editions cover different serial number ranges: check the serial coverage and tick only the ones that match your machine.

This manual: Service Manual SEN06589-03$259.91
Other manuals for the PC138USLC-11

Operator's manuals

Details
Details

This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 2,561 pages

Quantity one is the manual described above.

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Ships in 1 business day.

60-day returns

Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy

Binder not included

Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).