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Komatsu PC490LCS-11 Hydraulic Excavator Service Manual

3,638 pages · Publication SEN06592-03

$369.69
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Models
PC490LCS-11
Serial coverage
85113 and up
Manual type
Service Manual
Pages
3,638
Publication
SEN06592-03
Condition
Brand new
Komatsu PC490LCS-11 Hydraulic Excavator Service Manual, publication SEN06592-03

What's inside

From the manual's own table of contents: 360 sections, 700 entries. See sample pages (PDF, 940 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 360 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 SYSTEM5 topics
  • LAYOUT DRAWING OF COOLING SYSTEM
  • FAN SPEED CONTROL SYSTEM OF HYDRAULIC FAN
  • ENGINE OUTPUT CONTROL SYSTEM OF HYDRAULIC FAN
  • FAN REVERSE ROTATION SYSTEM OF HYDRAULIC FAN
  • COMPONENT PARTS OF COOLING SYSTEM
CONTROL SYSTEM4 topics
  • LAYOUT DRAWING OF CONTROL SYSTEM
  • MACHINE MONITOR SYSTEM
  • KOMTRAX SYSTEM
  • COMPONENT PARTS OF CONTROL SYSTEM
HYDRAULIC SYSTEM5 topics
  • LAYOUT DRAWING OF HYDRAULIC SYSTEM
  • CLSS
  • ENGINE AND PUMP COMBINED CONTROL SYSTEM
  • PUMP AND VALVE CONTROL SYSTEM
  • COMPONENT PARTS OF HYDRAULIC SYSTEM
WORK EQUIPMENT SYSTEM8 topics
  • LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
  • STRUCTURE OF VALVE CONTROL
  • POWER MAXIMIZING SYSTEM
  • MACHINE PUSH-UP SYSTEM
  • PPC LOCK SYSTEM
  • WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM
  • OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT
  • COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
ICT SYSTEM7 topics
  • LAYOUT DRAWING OF ICT SYSTEM
  • ICT CONTROL SYSTEM DIAGRAM
  • BUCKET EDGE POSITION DETECTION SYSTEM
  • THE INTELLIGENT MACHINE CONTROL SYSTEM
  • CUSHION SYSTEM FOR ARM IN END
  • BOOM SECONDARY DRIVE SWITCH
  • COMPONENT PARTS OF ICT 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 FRAME1 topic
  • LAYOUT DRAWING OF UNDERCARRIAGE
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
  • CAB TIPPING STOPPER
STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR ENGINE: PC490LCI-11
STANDARD VALUE TABLE FOR MACHINE
STANDARD VALUE TABLE FOR MACHINE: PC490LCI-11
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE
STANDARD VALUE TABLE FOR ELECTRICAL
TESTING AND ADJUSTING
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
TEST BOOST PRESSURE
TEST EXHAUST GAS COLOR
TEST AND ADJUST VALVE CLEARANCE
TEST COMPRESSION PRESSURE
TEST BLOWBY PRESSURE
TEST ENGINE OIL PRESSURE
TEST EGR VALVE AND VGT 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
CLEAN FUEL DOSER
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER
TEST SCR RELATED FUNCTIONS
CLEAN AdBlue/DEF TANK
POWER TRAIN
TEST SWING CIRCLE BEARING CLEARANCE
TEST AND ADJUST TRACK TENSION
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM
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 PUMP SWASH PLATE SENSOR
TEST COOLING FAN SPEED
TEST OIL PRESSURE IN FAN PUMP CIRCUIT
TEST FAN PUMP EPC ELECTRIC CURRENT
TEST FAN PUMP EPC SOLENOID VALVE OUTLET PRESSURE
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT
TEST OIL LEAKAGE
BLEED AIR FROM HYDRAULIC CIRCUIT1 topic
  • TEST CAB TIPPING STOPPER
ELECTRICAL SYSTEM8 topics
  • SET AND OPERATE MACHINE MONITOR
  • METHOD FOR STARTING UP KOMTRAX TERMINAL
  • ADJUST REARVIEW CAMERA ANGLE
  • HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER
  • HANDLE BATTERY DISCONNECT SWITCH
  • TEST DIODES
  • SET AND OPERATE CONTROL BOX
  • CALIBRATE INTELLIGENT MACHINE CONTROL
Pm CLINIC1 topic
  • Pm CLINIC SERVICE
TROUBLESHOOTING
RELATED INFORMATION ON TROUBLESHOOTING16 topics
  • GENERAL TROUBLESHOOTING POINTS
  • 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
  • CONNECTOR LIST AND LAYOUT
  • CONNECTOR CONTACT IDENTIFICATION
  • BOX AND T-BRANCH ADAPTER TABLE
  • FUSE LOCATION TABLE
  • PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC)
  • FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)21 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 [AQ10N3]
FAILURE CODE [AS00N3]
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 [B@BAZG]
FAILURE CODE [B@BAZK]
FAILURE CODE [B@BCNS]
FAILURE CODE [B@BCZK]
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 [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 [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 [CA356]
FAILURE CODE [CA357]
FAILURE CODE [CA386]
FAILURE CODE [CA441]
FAILURE CODE [CA442]
FAILURE CODE [CA449]
FAILURE CODE [CA451]
FAILURE CODE [CA452]
FAILURE CODE [CA515]
FAILURE CODE [CA516]58 topics
  • FAILURE CODE [CA553]
  • FAILURE CODE [CA555]
  • FAILURE CODE [CA556]
  • FAILURE CODE [CA559]
  • FAILURE CODE [CA595]
  • FAILURE CODE [CA687]
  • 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]
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  • FAILURE CODE [CA1686]
  • FAILURE CODE [CA1691]
  • FAILURE CODE [CA1694]
  • FAILURE CODE [CA1695]
  • FAILURE CODE [CA1696]
  • 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 [CA1879]
  • FAILURE CODE [CA1881]
  • FAILURE CODE [CA1883]
  • FAILURE CODE [CA1885]
  • FAILURE CODE [CA1887]
  • FAILURE CODE [CA1921]
  • FAILURE CODE [CA1922]
  • FAILURE CODE [CA1923]
  • FAILURE CODE [CA1924]
  • FAILURE CODE [CA1925]
  • FAILURE CODE [CA1927]
  • FAILURE CODE [CA1928]
  • FAILURE CODE [CA1942]
  • FAILURE CODE [CA1963]
  • FAILURE CODE [CA1977]
  • FAILURE CODE [CA1993]
  • FAILURE CODE [CA2185]
  • FAILURE CODE [CA2186]
  • FAILURE CODE [CA2249]
  • FAILURE CODE [CA2265]
  • FAILURE CODE [CA2266]
  • FAILURE CODE [CA2271]
  • FAILURE CODE [CA2272]
FAILURE CODE [CA2349]
FAILURE CODE [CA2353]
FAILURE CODE [CA2357]
FAILURE CODE [CA2381]
FAILURE CODE [CA2382]
FAILURE CODE [CA2383]
FAILURE CODE [CA2386]
FAILURE CODE [CA2387]
FAILURE CODE [CA2555]
FAILURE CODE [CA2556]
FAILURE CODE [CA2637]
FAILURE CODE [CA2639]
FAILURE CODE [CA2732]
FAILURE CODE [CA2733]
FAILURE CODE [CA2741]
FAILURE CODE [CA2765]
FAILURE CODE [CA2771]
FAILURE CODE [CA2777]
FAILURE CODE [CA2878]
FAILURE CODE [CA2881]
FAILURE CODE [CA2976]
FAILURE CODE [CA3133]
FAILURE CODE [CA3134]
FAILURE CODE [CA3135]
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 [CA3167]
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 [CA3253]
FAILURE CODE [CA3254]
FAILURE CODE [CA3255]
FAILURE CODE [CA3256]
FAILURE CODE [CA3311]
FAILURE CODE [CA3312]
FAILURE CODE [CA3313]
FAILURE CODE [CA3314]
FAILURE CODE [CA3315]
FAILURE CODE [CA3316]
FAILURE CODE [CA3317]
FAILURE CODE [CA3318]
FAILURE CODE [CA3319]
FAILURE CODE [CA3321]
FAILURE CODE [CA3322]
FAILURE CODE [CA3419]
FAILURE CODE [CA3421]58 topics
  • 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]
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  • FAILURE CODE [CA3575]
  • FAILURE CODE [CA3577]
  • FAILURE CODE [CA3578]
  • FAILURE CODE [CA3582]
  • FAILURE CODE [CA3583]
  • FAILURE CODE [CA3596]
  • FAILURE CODE [CA3649]
  • FAILURE CODE [CA3681]
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  • FAILURE CODE [CA3713]
  • FAILURE CODE [CA3717]
  • FAILURE CODE [CA3718]
  • FAILURE CODE [CA3725]
  • FAILURE CODE [CA3748]
  • FAILURE CODE [CA3751]
  • FAILURE CODE [CA3755]
  • FAILURE CODE [CA3866]
  • FAILURE CODE [CA3867]
  • FAILURE CODE [CA3868]
  • FAILURE CODE [CA3899]
  • FAILURE CODE [CA3911]
  • FAILURE CODE [CA3912]
  • FAILURE CODE [CA3932]
  • FAILURE CODE [CA3933]
  • FAILURE CODE [CA3934]
  • FAILURE CODE [CA3935]
  • FAILURE CODE [CA3936]
  • FAILURE CODE [CA4151]
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  • FAILURE CODE [CA4157]
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  • FAILURE CODE [CA4161]
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  • FAILURE CODE [CA4165]
  • FAILURE CODE [CA4166]
  • FAILURE CODE [CA4168]
  • FAILURE CODE [CA4169]
  • FAILURE CODE [CA4171]
  • FAILURE CODE [CA4249]
FAILURE CODE [CA4251]
FAILURE CODE [CA4259]
FAILURE CODE [CA4261]
FAILURE CODE [CA4277]
FAILURE CODE [CA4281]
FAILURE CODE [CA4459]
FAILURE CODE [CA4461]
FAILURE CODE [CA4658]
FAILURE CODE [CA4731]
FAILURE CODE [CA4732]
FAILURE CODE [CA4739]
FAILURE CODE [CA4768]
FAILURE CODE [CA4769]
FAILURE CODE [CA4842]
FAILURE CODE [CA4952]
FAILURE CODE [CA5115]
FAILURE CODE [CA5179]
FAILURE CODE [CA5181]
FAILURE CODE [CA5383]
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 [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 [DB92KK]
FAILURE CODE [DB95KP]
FAILURE CODE [DB96KP]
FAILURE CODE [DB99KQ]
FAILURE CODE [DB9LKA]
FAILURE CODE [DB9LKB]
FAILURE CODE [DB9QKR]
FAILURE CODE [DB9RKR]
FAILURE CODE [DBR0MC]
FAILURE CODE [DBR2KK]
FAILURE CODE [DBR5KP]58 topics
  • FAILURE CODE [DBR6KP]
  • FAILURE CODE [DBR9KQ]
  • FAILURE CODE [DBRLKA]
  • FAILURE CODE [DBRLKB]
  • FAILURE CODE [DBRQKR]
  • FAILURE CODE [DBRRKR]
  • FAILURE CODE [DBRSKB]
  • FAILURE CODE [DBRTKB]
  • FAILURE CODE [DBUSKR]
  • FAILURE CODE [DD20MA]
  • FAILURE CODE [DDNRKA]
  • FAILURE CODE [DDNRKY]
  • FAILURE CODE [DDNS00]
  • FAILURE CODE [DGH2KA]
  • FAILURE CODE [DGH2KB]
  • FAILURE CODE [DHA4KA]
  • FAILURE CODE [DHAAMA]
  • FAILURE CODE [DHACMA]
  • FAILURE CODE [DHPAMA]
  • FAILURE CODE [DHPBMA]
  • 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 [DK80KM]
  • FAILURE CODE [DK80KR]
  • FAILURE CODE [DK80KT]
  • FAILURE CODE [DKG1KM]
  • FAILURE CODE [DKG1L8]
  • FAILURE CODE [DKR0MA]
  • FAILURE CODE [DKR1MA]
  • FAILURE CODE [DKT0KM]
  • FAILURE CODE [DKT0L8]
  • FAILURE CODE [DKT1KA]
  • FAILURE CODE [DKT1KB]
  • FAILURE CODE [DKT2KA]
  • FAILURE CODE [DKT2KB]
  • FAILURE CODE [DKT4KM]
  • FAILURE CODE [DKT4L8]
  • FAILURE CODE [DKT5KA]
  • FAILURE CODE [DKT5KB]
  • FAILURE CODE [DKT6KA]
  • FAILURE CODE [DKT6KB]
  • FAILURE CODE [DKT8KA]
  • FAILURE CODE [DKT8KB]
  • FAILURE CODE [DKT9KA]
  • FAILURE CODE [DKT9KB]
  • FAILURE CODE [DKTAKA]
  • FAILURE CODE [DKTAKB]
  • FAILURE CODE [DKTAMB]
FAILURE CODE [DKTBKX]
FAILURE CODE [DKTBMC]
FAILURE CODE [DKTEMB]
FAILURE CODE [DKTFKX]
FAILURE CODE [DKTFMC]
FAILURE CODE [DKTJMB]
FAILURE CODE [DKU1MA]
FAILURE CODE [DKU2MA]
FAILURE CODE [DKUGKA]
FAILURE CODE [DKUGKB]
FAILURE CODE [DKUGKY]
FAILURE CODE [DKUHKA]
FAILURE CODE [DKUHKB]
FAILURE CODE [DKUHKY]
FAILURE CODE [DKULKA]
FAILURE CODE [DKULKB]
FAILURE CODE [DKULKY]
FAILURE CODE [DKV0KA]
FAILURE CODE [DKV0KY]
FAILURE CODE [DKV1KA]
FAILURE CODE [DKV1KY]
FAILURE CODE [DKV2KA]
FAILURE CODE [DKV2KY]
FAILURE CODE [DKV3KA]
FAILURE CODE [DKV3KY]
FAILURE CODE [DKV4MA]
FAILURE CODE [DKV5MA]
FAILURE CODE [DKV6MA]
FAILURE CODE [DKV7MA]
FAILURE CODE [DKV8MA]
FAILURE CODE [DKV9MA]
FAILURE CODE [DKVAMA]
FAILURE CODE [DKVBKA]
FAILURE CODE [DKVBKB]
FAILURE CODE [DKVBKY]
FAILURE CODE [DKVCKA]
FAILURE CODE [DKVCKB]
FAILURE CODE [DKVCKY]
FAILURE CODE [DKVDKA]
FAILURE CODE [DKVDKB]
FAILURE CODE [DKVDKY]
FAILURE CODE [DKVDMA]
FAILURE CODE [DLM3KA]
FAILURE CODE [DLM3KB]
FAILURE CODE [DLM3MB]
FAILURE CODE [DR21KX]
FAILURE CODE [DR31KX]
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 [DW4FKA]
FAILURE CODE [DW4FKB]
FAILURE CODE [DW4FKY]56 topics
  • FAILURE CODE [DW4GKA]
  • FAILURE CODE [DW4GKB]
  • FAILURE CODE [DW4GKY]
  • FAILURE CODE [DW4SKA]
  • FAILURE CODE [DW4SKB]
  • FAILURE CODE [DW4SKY]
  • FAILURE CODE [DW7BKA]
  • FAILURE CODE [DW7BKB]
  • FAILURE CODE [DW7BKY]
  • FAILURE CODE [DW91KA]
  • FAILURE CODE [DW91KB]
  • FAILURE CODE [DW91KY]
  • FAILURE CODE [DWA2KA]
  • FAILURE CODE [DWA2KB]
  • FAILURE CODE [DWA2KY]
  • 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 [DX16KA]
  • FAILURE CODE [DX16KB]
  • FAILURE CODE [DXA8KA]
  • FAILURE CODE [DXA8KB]
  • FAILURE CODE [DXA9KA]
  • FAILURE CODE [DXA9KB]
  • FAILURE CODE [DXE0KA]
  • FAILURE CODE [DXE0KB]
  • FAILURE CODE [DXE4KA]
  • FAILURE CODE [DXE4KB]
  • FAILURE CODE [DXE4KY]
  • FAILURE CODE [DXE5KA]
  • FAILURE CODE [DXE5KB]
  • FAILURE CODE [DXE6KA]
  • FAILURE CODE [DXE6KB]
  • FAILURE CODE [DXE7KA]
  • FAILURE CODE [DXE7KB]
  • FAILURE CODE [DXE7KY]
  • FAILURE CODE [DXE8KA]
  • FAILURE CODE [DXE8KB]
  • FAILURE CODE [DXE8KY]
  • FAILURE CODE [DXE9KA]
  • FAILURE CODE [DXE9KB]
  • FAILURE CODE [DXE9KY]
  • FAILURE CODE [DXEAKA]
  • FAILURE CODE [DXEAKB]
  • FAILURE CODE [DXEAKY]
  • FAILURE CODE [DY20KA]
  • FAILURE CODE [DY20MA]
  • FAILURE CODE [DY2CKB]
  • FAILURE CODE [DY2DKB]
  • FAILURE CODE [DY2EKB]
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)1 topic
  • ENGINE DOES NOT START (ENGINE DOES NOT CRANK)
MANUAL PREHEATING SYSTEM DOES NOT WORK
AUTOMATIC PREHEATING SYSTEM DOES NOT WORK
WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP4 topics
  • NOTHING
  • GINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW
  • TOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW
  • NING
CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
FUEL LEVEL 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 LEVEL4 topics
  • 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)1 topic
  • DOES NOT LIGHT UP OR DOES NOT GO OFF
AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER3 topics
  • 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 LOCK4 topics
  • SWING
  • BRAKE DOES NOT OPERATE
  • CATOR NOT DISPLAYED ON MONITOR
  • ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED

Inside this manual

Real pages from this service manual (3,638 pages). Open the sample pages (PDF, 939 KB)

Sample pages from the Komatsu PC490LCS-11 Hydraulic Excavator Service Manual: Troubleshooting, Specifications, Diagram, Color page, Color page, Foldout diagram
  • Troubleshooting, page 1,884: CAN communication sys-
  • Specifications, page 3,004: Recheck of clearance
  • Diagram, page 3,396: 15. Connect the connectors (28) and (29) on the side of the
  • Color page, page 156: 6: Battery
  • Color page, page 491: 18:Control valve
  • Foldout diagram, page 3,602: ELECTRICAL CIRCUIT DIAGRAM (1/13)

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, 3,638 pages

Quantity one is the manual described above.

Fast free USA shipping

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).