{"product_id":"komatsu-wa270-7-wheel-loader-service-repair-manual-sn-a27001-up","title":"Komatsu WA270-7 Wheel Loader Service Repair Manual SN A27001 \u0026 Up","description":"\u003cp\u003eKomatsu WA270-7 Wheel Loader Service Repair Manual SN A27001 \u0026amp; Up\u003c\/p\u003e\n\u003cp\u003eWe Offers manuals high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your truck. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation.\u003c\/p\u003e\n\u003cp\u003eThis service manual contains detailed maintenance, service, repair and troubleshooting procedures for the WA270-7 Wheel Loader (SN A27001 \u0026amp; Up). The service manual is a must for all WA270-7 Wheel Loader (SN A27001 \u0026amp; Up) owners, operators and mechanics. Print off the pages including detailed diagrams and accurate illustrations you need at any time and save time and money on repair.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTopics in the Komatsu WA270-7 Wheel Loader Service Manual (SN A27001 \u0026amp; Up):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSpecifications\u003cbr\u003eSpecification drawing\u003cbr\u003eSpecifications\u003cbr\u003eWeight table\u003cbr\u003eTable of fuel, coolant, and lubricants\u003c\/p\u003e\n\u003cp\u003eStructure and function\u003cbr\u003eEngine and cooling system\u003cbr\u003eEngine related parts\u003cbr\u003eKVGT\u003cbr\u003eEGR system piping drawing\u003cbr\u003eEGR system circuit diagram\u003cbr\u003eEGR valve\u003cbr\u003eEGR cooler\u003cbr\u003eKCCV layout drawing\u003cbr\u003eKCCV ventilator\u003cbr\u003eKDPF\u003cbr\u003eCooling system\u003cbr\u003eCooling fan motor\u003cbr\u003ePower train\u003cbr\u003ePower train system\u003cbr\u003eLayout of power train parts\u003cbr\u003eDamper\u003cbr\u003eHST pump\u003cbr\u003eHST motor1\u003cbr\u003eHST motor2\u003cbr\u003eTransfer\u003cbr\u003eClutch solenoid valve\u003cbr\u003eDrive shaft\u003cbr\u003eAxle\u003cbr\u003eDifferential\u003cbr\u003eTorque proportional differential\u003cbr\u003eLimited slip differential\u003cbr\u003eFinal drive\u003cbr\u003eSteering system\u003cbr\u003eLayout of steering devices\u003cbr\u003eSteering column\u003cbr\u003ePriority valve\u003cbr\u003eCushion valve\u003cbr\u003e00-2 WA270-7\u003cbr\u003e00 Index and foreword\u003cbr\u003eIndex\u003cbr\u003eEmergency steering valve\u003cbr\u003eOrbitrol valve\u003cbr\u003e2way restrictor valve\u003cbr\u003eBrake system\u003cbr\u003eLayout of brake parts\u003cbr\u003eBrake accumulator charge valve\u003cbr\u003eBrake valve\u003cbr\u003eBrake accumulator\u003cbr\u003eSlack adjuster\u003cbr\u003eBrake\u003cbr\u003eParking brake control\u003cbr\u003eParking brake\u003cbr\u003eParking brake solenoid valve\u003cbr\u003eUndercarriage and frame\u003cbr\u003eAxle mount\u003cbr\u003eCenter hinge pin\u003cbr\u003eTire\u003cbr\u003eHydraulic system\u003cbr\u003eHydraulic component layout\u003cbr\u003eWork equipment control\u003cbr\u003eHydraulic tank\u003cbr\u003eDouble type gear pump\u003cbr\u003eSteering and work equipment pump\u003cbr\u003eControl valve\u003cbr\u003eCLSS\u003cbr\u003eHydraulic circuit diagram and names of valves\u003cbr\u003eSelf-pressure reducing valve\u003cbr\u003eWork equipment PPC valve\u003cbr\u003eWork equipment lock solenoid valve\u003cbr\u003ePPC circuit accumulator\u003cbr\u003eECSS accumulator\u003cbr\u003eWork equipment\u003cbr\u003eWork equipment linkage\u003cbr\u003eBucket\u003cbr\u003eCab and its attachments\u003cbr\u003eROPS cab\u003cbr\u003eCab mount\u003cbr\u003eElectrical system\u003cbr\u003eEngine control system\u003cbr\u003ePreheating system\u003cbr\u003eEngine output limit function\u003cbr\u003eAutomatic warm-up function\u003cbr\u003eParking brake control system\u003cbr\u003eSystem operating lamp function\u003cbr\u003eBattery disconnect switch function\u003cbr\u003eHSTcontroller system\u003cbr\u003eMachine monitor system\u003cbr\u003eRearview monitor system\u003cbr\u003eKOMTRAX system\u003cbr\u003eSystem component parts\u003cbr\u003eSensor\u003c\/p\u003e\n\u003cp\u003eStandard value tables\u003cbr\u003eStandard service value table\u003cbr\u003eStandard value table for engine\u003cbr\u003eStandard value table for machine\u003cbr\u003eStandard value table for electrical system\u003c\/p\u003e\n\u003cp\u003eTesting and adjusting\u003cbr\u003eRelated information on testing and adjusting\u003cbr\u003eTools for testing and adjusting\u003cbr\u003eSketch of tools for testing and adjusting\u003cbr\u003eEngine and cooling system\u003cbr\u003eTesting engine speed\u003cbr\u003eTesting boost pressure\u003cbr\u003eTesting exhaust gas temperature\u003cbr\u003eTesting exhaust gas color\u003cbr\u003eTesting and adjusting valve clearance\u003cbr\u003eTesting compression pressure\u003cbr\u003eTesting blowby pressure\u003cbr\u003eTesting engine oil pressure\u003cbr\u003eTesting EGR valve and KVGT driving oil pressure\u003cbr\u003eTesting fuel pressure\u003cbr\u003eTesting fuel discharge, return and leakage\u003cbr\u003eBleeding air from fuel system\u003cbr\u003eTesting fuel circuit for leakage\u003cbr\u003eHandling cylinder cutout mode operation\u003cbr\u003eHandling no-injection cranking operation\u003cbr\u003eTesting of KDPF and muffler stack for looseness and damage\u003cbr\u003eTesting of installed condition of cylinder heads and manifolds\u003cbr\u003eTesting engine piping for damage and looseness\u003cbr\u003eTesting and adjusting air conditioner compressor belt tension\u003cbr\u003eReplacing alternator belt\u003cbr\u003ePower train\u003cbr\u003eTesting oil leakage from axle final drive\u003cbr\u003eTesting drive shaft for looseness, backlash, and damage\u003cbr\u003eTesting accelerator pedal\u003cbr\u003eTesting and adjusting HSToil pressure\u003cbr\u003eTesting transfer clutch control pressure\u003cbr\u003eSteering system\u003cbr\u003eTesting directional lever\u003cbr\u003eTesting steering wheel\u003cbr\u003eTesting work equipment control lever\u003cbr\u003eTesting and adjusting steering circuit oil pressure\u003cbr\u003eBleeding air from steering cylinder circuit\u003cbr\u003eBrake system\u003cbr\u003eTesting brake pedal\u003cbr\u003eTesting braking performance\u003cbr\u003eTesting and adjusting of accumulator charge pressure\u003cbr\u003eTesting wheel brake oil pressure\u003cbr\u003eTesting lowering of wheel brake pressure\u003cbr\u003eTesting wear of wheel brake disc\u003cbr\u003eBleeding air from wheel brake circuit\u003cbr\u003eReleasing remaining pressure in brake accumulator circuit\u003cbr\u003eTesting parking brake performance\u003cbr\u003eTesting wear of parking brake disc\u003cbr\u003eTesting parking brake release pressure\u003cbr\u003eMethod of releasing parking brake manually\u003cbr\u003eHydraulic system\u003cbr\u003eTesting cooling fan speed\u003cbr\u003eTesting cooling fan pump circuit oil pressure\u003cbr\u003eBleeding air from hydraulic fan circuit\u003cbr\u003eTesting and adjusting work equipment PPC oil pressure\u003cbr\u003eTesting and adjusting work equipment oil pressure\u003cbr\u003eBleeding air from work equipment circuit\u003cbr\u003eReleasing remaining pressure from work equipment circuit\u003cbr\u003eTesting ECSS accumulator nitrogen gas pressure and procedure for charging accumulator with\u003cbr\u003enitrogen gas\u003cbr\u003e00-4 WA270-7\u003cbr\u003e00 Index and foreword\u003cbr\u003eIndex\u003cbr\u003eWork equipment\u003cbr\u003eTesting and adjusting bucket positioner and bucket proximity switch\u003cbr\u003eTesting and adjusting boom position detection lever\u003cbr\u003eElectrical system\u003cbr\u003eAdjusting replaced, reassembled or added sensor, controller, etc\u003cbr\u003emonitor\u003cbr\u003eSpecial functions of machine monitor\u003cbr\u003eAdjusting rearview camera angle\u003cbr\u003eHandling voltage circuit of engine controller\u003cbr\u003eHandling battery disconnect switch\u003cbr\u003eTesting diodes\u003cbr\u003ePm clinic\u003cbr\u003ePm Clinic service\u003cbr\u003eCheck sheet\u003c\/p\u003e\n\u003cp\u003eTroubleshooting\u003cbr\u003eRelated information on troubleshooting\u003cbr\u003eTroubleshooting points\u003cbr\u003eSequence of events in troubleshooting\u003cbr\u003eChecks before troubleshooting\u003cbr\u003eInspection procedure before troubleshooting\u003cbr\u003ePreparation for troubleshooting of electrical system\u003cbr\u003eClassification and procedures for troubleshooting\u003cbr\u003eSymptom and troubleshooting numbers\u003cbr\u003eInformation described in troubleshooting table\u003cbr\u003eProcedure for troubleshooting wiring harness of pressure sensor system for open circuit\u003cbr\u003eConnector list and layout\u003cbr\u003eConnector contact identification\u003cbr\u003eT-branch box and T-branch adapter table\u003cbr\u003eFuse location table\u003cbr\u003ePrecautions for KDPF (KCSF and KDOC) Cleaning and Replacement\u003cbr\u003ePrecautions when performing troubleshooting of machine monitor\u003cbr\u003eProcessing procedure of harness checker for troubleshooting of machine monitor LCD unit\u003cbr\u003ePreparation of dummy temperature sensor (for KDOC and KDPF temperature sensors)\u003cbr\u003ePreparation of short circuit electrical connector (for failure codes [CA1883] and [CA3135])\u003cbr\u003eFailure codes table\u003cbr\u003eTroubleshooting by failure code (Display of code)\u003cbr\u003eFailure code [2F00MA] Failure of Parking Brake Circuit\u003cbr\u003eFailure code [2F00MB] Malfunction of Parking Brake\u003cbr\u003eFailure code [2G42ZG] Accumulator Oil Pressure Low (Front)\u003cbr\u003eFailure code [2G43ZG] Accumulator Oil Pressure Low (Rear)\u003cbr\u003eFailure code [6091NX] HST Oil Filter Clogging\u003cbr\u003eFailure code [7RHYKA] Disconnection of Fan Variable Control Sol\u003cbr\u003eFailure code [7RHYKB] Ground Fault of Fan Variable Control Sol\u003cbr\u003eFailure code [7RHYKY] Hot Short of Fan Variable Control Sol\u003cbr\u003eFailure code [879AKA] A\/C Inner Sensor Open Circuit\u003cbr\u003eFailure code [879AKB] A\/C Inner Sensor Short Circuit\u003cbr\u003eFailure code [879BKA] A\/C Outer Sensor Open Circuit\u003cbr\u003eFailure code [879BKB] A\/C Outer Sensor Short Circuit\u003cbr\u003eFailure code [879CKA] Ventilating Sensor Open Circuit\u003cbr\u003eFailure code [879CKB] Ventilating Sensor Short Circuit\u003cbr\u003eFailure code [879DKZ] Sunlight Sensor Open or Short Circuit\u003cbr\u003eFailure code [879EMC] Ventilation Damper Abnormality\u003cbr\u003eFailure code [879FMC] Air Mix Damper Abnormality\u003cbr\u003eFailure code [989L00] Engine Controller Lock Caution 1\u003cbr\u003eFailure code [989M00] Engine Controller Lock Caution 2\u003cbr\u003eFailure code [989N00] Engine Controller Lock Caution 3\u003cbr\u003eFailure code [A1U0N3] HC Desorb Request 1\u003cbr\u003eFailure code [A1U0N4] HC Desorb Request 2\u003cbr\u003eFailure code [B@BAZG] Eng Oil Press Low\u003cbr\u003eFailure code [B@BCNS] Eng Water Overheat\u003cbr\u003eFailure code [B@BCZK] Eng Water Level Low\u003cbr\u003eFailure code [B@CRNS] HST Oil Temp\u003cbr\u003eFailure code [CA115] Eng Ne and Bkup Speed Sens Error\u003cbr\u003eFailure code [CA122] Chg Air Press Sensor High Error\u003cbr\u003eFailure code [CA123] Chg Air Press Sensor Low Error\u003cbr\u003eFailure code [CA131] Throttle Sensor High Error\u003cbr\u003eFailure code [CA132] Throttle Sensor Low Error\u003cbr\u003eFailure code [CA144] Coolant Temp Sens High Error\u003cbr\u003eFailure code [CA145] Coolant Temp Sens Low Error\u003cbr\u003eFailure code [CA153] Chg Air Temp Sensor High Error\u003cbr\u003eFailure code [CA154] Chg Air Temp Sensor Low Error\u003cbr\u003eFailure code [CA187] Sensor 2 Supply Volt Low Error\u003cbr\u003eFailure code [CA221] Ambient Press Sensor High Error\u003cbr\u003eFailure code [CA222] Ambient Press Sensor Low Error\u003cbr\u003eFailure code [CA227] Sensor 2 Supply Volt High Error\u003cbr\u003eFailure code [CA234] Eng Overspeed\u003cbr\u003eFailure code [CA238] Ne Speed Sensor Supply Volt Error\u003cbr\u003eFailure code [CA239] Ne Speed Sens Supply Volt High Error\u003cbr\u003eFailure code [CA271] IMV\/PCV1 Short Error\u003cbr\u003eFailure code [CA272] IMV\/PCV1 Open Error\u003cbr\u003eFailure code [CA295] Ambient Press Sens In Range Error\u003cbr\u003eFailure code [CA322] Inj #1(L#1) Open\/Short Error\u003cbr\u003eFailure code [CA323] Inj #5(L#5) Open\/Short Error\u003cbr\u003eFailure code [CA324] Inj #3(L#3) Open\/Short Error\u003cbr\u003eFailure code [CA325] Inj #6(L#6) Open\/Short Error\u003cbr\u003eFailure code [CA331] Inj #2(L#2) Open\/Short Error\u003cbr\u003eFailure code [CA332] Inj #4(L#4) Open\/Short Error\u003cbr\u003eFailure code [CA343] ECM Critical Internal Failure\u003cbr\u003eFailure code [CA351] Injectors Drive Circuit Error\u003cbr\u003eFailure code [CA352] Sensor 1 Supply Volt Low Error\u003cbr\u003eFailure code [CA356] Mass Air Flow Sensor High Error\u003cbr\u003eFailure code [CA357] Mass Air Flow Sensor Low Error\u003cbr\u003eFailure code [CA386] Sensor 1 Supply Volt High Error\u003cbr\u003eFailure code [CA428] Water in Fuel Sensor High Error\u003cbr\u003eFailure code [CA429] Water in Fuel Sensor Low Error\u003cbr\u003eFailure code [CA431] Idle Validation Sw Error\u003cbr\u003eFailure code [CA432] Idle Validation Process Error\u003cbr\u003eFailure code [CA435] Eng Oil Press Sw Error\u003cbr\u003eFailure code [CA441] Battery Voltage Low Error\u003cbr\u003eFailure code [CA442] Battery Voltage High Error\u003cbr\u003eFailure code [CA449] Rail Press Very High Error\u003cbr\u003eFailure code [CA451] Rail Press Sensor High Error\u003cbr\u003eFailure code [CA452] Rail Press Sensor Low Error\u003cbr\u003eFailure code [CA488] Chg Air Temp High Torque Derate\u003cbr\u003eFailure code [CA515] Rail Press Sens Sup Volt High Error\u003cbr\u003eFailure code [CA516] Rail Press Sens Sup Volt Low Error\u003cbr\u003eFailure code [CA553] Rail Press High Error\u003cbr\u003eFailure code [CA555] Crankcase Press High Error 1\u003cbr\u003eFailure code [CA556] Crankcase Press High Error 2\u003cbr\u003eFailure code [CA559] Rail Press Low Error\u003cbr\u003eFailure code [CA595] Turbo Speed High Error 2\u003cbr\u003eFailure code [CA687] Turbo Speed Low Error\u003cbr\u003eFailure code [CA689] Eng Ne Speed Sensor Error\u003cbr\u003eFailure code [CA691] Intake Air Temp Sens High Error\u003cbr\u003eFailure code [CA692] Intake Air Temp Sens Low Error\u003cbr\u003eFailure code [CA697] ECM Internal Temp Sensor High Error\u003cbr\u003eFailure code [CA698] ECM Int Temp Sensor Low Error\u003cbr\u003eFailure code [CA731] Eng Bkup Speed Sens Phase Error\u003cbr\u003eFailure code [CA778] Eng Bkup Speed Sensor Error\u003cbr\u003eFailure code [CA1117] Persistent Data Lost Error\u003cbr\u003eFailure code [CA1664] KDOC Malfunction\u003cbr\u003eFailure code [CA1691] Regeneration Ineffective\u003cbr\u003eFailure code [CA1695] Sensor 5 Supply Volt High Error\u003cbr\u003eFailure code [CA1696] Sensor 5 Supply Volt Low Error\u003cbr\u003eFailure code [CA1843] Crankcase Press Sens High Error\u003cbr\u003eFailure code [CA1844] Crankcase Press Sens Low Error\u003cbr\u003eFailure code [CA1879] KDPF Delta P Sensor High Error\u003cbr\u003eFailure code [CA1881] KDPF Delta P Sensor Low Error\u003cbr\u003eFailure code [CA1883] KDPF Delta P Sens In Range Error\u003cbr\u003eFailure code [CA1921] KDPF Soot Load High Error 1\u003cbr\u003eFailure code [CA1922] KDPF Soot Load High Error 2\u003cbr\u003eFailure code [CA1942] Crankcase Press Sens In Range Error\u003cbr\u003eFailure code [CA1993] KDPF Delta Pressure Low Error\u003cbr\u003eFailure code [CA2185] Throt Sensor Sup Volt High Error\u003cbr\u003eFailure code [CA2186] Throt Sensor Sup Volt Low Error\u003cbr\u003eFailure code [CA2249] Rail Press Very Low Error\u003cbr\u003eFailure code [CA2271] EGR Valve Pos Sens High Error\u003cbr\u003eFailure code [CA2272] EGR Valve Pos Sens Low Error\u003cbr\u003eFailure code [CA2288] Turbo Speed High Error 1\u003cbr\u003eFailure code [CA2311] IMV Solenoid Error\u003cbr\u003eFailure code [CA2349] EGR Valve Solenoid Open Error\u003cbr\u003eFailure code [CA2353] EGR Valve Solenoid Short Error\u003cbr\u003eFailure code [CA2357] EGR Valve Servo Error\u003cbr\u003eFailure code [CA2373] Exhaust Manifold Press Sens High error\u003cbr\u003eFailure code [CA2374] Exhaust Manifold Press Sens Low error\u003cbr\u003eFailure code [CA2375] EGR Orifice Temp Sens High Error\u003cbr\u003eFailure code [CA2376] EGR Orifice Temp Sens Low Error\u003cbr\u003eFailure code [CA2381] KVGT Pos Sens High Error\u003cbr\u003eFailure code [CA2382] KVGT Pos Sens Low Error\u003cbr\u003eFailure code [CA2383] KVGT Solenoid Open Error\u003cbr\u003eFailure code [CA2386] KVGT Solenoid Short Error\u003cbr\u003eFailure code [CA2387] KVGT Servo Error\u003cbr\u003eFailure code [CA2554] Exh Manifold Press Sens In Range Error\u003cbr\u003eFailure code [CA2555] Grid Htr Relay Volt Low Error\u003cbr\u003eFailure code [CA2556] Grid Htr Relay Volt High Error\u003cbr\u003eFailure code [CA2637] KDOC Face Plugging\u003cbr\u003eFailure code [CA2639] Manual Stationary Regeneration Request\u003cbr\u003eFailure code [CA2961] EGR Orifice Temp High Error 1\u003cbr\u003eFailure code [CA2973] Chg Air Press Sensor In Range Error\u003cbr\u003eFailure code [CA3133] KDPF Outlet Press Sens High Error\u003cbr\u003eFailure code [CA3134] KDPF Outlet Press Sens Low Error\u003cbr\u003eFailure code [CA3135] KDPF Outlet Press Sens In Range Error\u003cbr\u003eFailure code [CA3251] KDOC Inlet Temp High Error\u003cbr\u003eFailure code [CA3253] KDOC Temp Error – Non Regeneration\u003cbr\u003eFailure code [CA3254] KDOC Outlet Temp High Error 1\u003cbr\u003eFailure code [CA3255] KDPF Temp Error – Non Regeneration\u003cbr\u003eFailure code [CA3256] KDPF Outlet Temp High Error 1\u003cbr\u003eFailure code [CA3311] KDOC Outlet Temp High Error 2\u003cbr\u003eFailure code [CA3312] KDPF Outlet Temp High Error 2\u003cbr\u003eFailure code [CA3313] KDOC Inlet Temp Sensor Low Error\u003cbr\u003eFailure code [CA3314] KDOC Inlet Temp Sens High Error\u003cbr\u003eFailure code [CA3315] KDOC Inlet Temp Sens In Range Error\u003cbr\u003eFailure code [CA3316] KDOC Outlet Temp Sens Low Error\u003cbr\u003eFailure code [CA3317] KDOC Outlet Temp Sens High Error\u003cbr\u003eFailure code [CA3318] KDOC Outlet Temp Sens In Range Error\u003cbr\u003eFailure code [CA3319] KDPF Outlet Temp Sens High Error\u003cbr\u003eFailure code [CA3321] KDPF Outlet Temp Sens Low Error\u003cbr\u003eFailure code [CA3322] KDPF Outlet Temp Sens In Range Error\u003cbr\u003eFailure code [CA3419] Mass Air Flow Sensor Sup Volt High Error\u003cbr\u003eFailure code [CA3421] Mass Air Flow Sensor Sup Volt Low Error\u003cbr\u003eFailure code [CA3741] Rail Press Valve Trip Error\u003cbr\u003eFailure code [D110L4] Disconnection of Battery Relay Signal\u003cbr\u003eFailure code [D160KA] Disconnection of Backup Lamp Relay Output\u003cbr\u003eFailure code [D160KY] Hot Short of Backup Lamp Relay Output\u003cbr\u003eFailure code [D191KA] Disconnection of Neutral Output Relay\u003cbr\u003eFailure code [D191KB] Ground Fault of Neutral Output Relay\u003cbr\u003eFailure code [D191KY] Hot Short of Neutral Output Relay\u003cbr\u003eFailure code [D192KA] Disconnection of ECSS Solenoid\u003cbr\u003eFailure code [D192KB] Ground Fault of ECSS Solenoid\u003cbr\u003eFailure code [D192KY] Hot Short of ECSS Solenoid\u003cbr\u003eFailure code [D19JKZ] Personal Code Relay Abnormality\u003cbr\u003eFailure code [D1B0KA] Disconnection of HST Safety Relay\u003cbr\u003eFailure code [D1B0KB] Ground Fault of HST Safety Relay\u003cbr\u003eFailure code [D1B0KY] Hot Short of HST Safety Relay\u003cbr\u003eFailure code [D1B0MC] Malfunction of HST Safety Relay\u003cbr\u003eFailure code [D1E6KA] Disconnection of Parking Brake Relay\u003cbr\u003eFailure code [D1E6KB] Ground Fault of Parking Brake Relay\u003cbr\u003eFailure code [D1E6KY] Hot Short of Parking Brake Relay\u003cbr\u003eFailure code [D5ZHKA] Failure of Key SW C Signal\u003cbr\u003eFailure code [D5ZHKB] Key SW C Signal Short Circuit\u003cbr\u003eFailure code [D5ZHL6] Disconnection of Key SW C\u003cbr\u003eFailure code [D811MC] KOMTRAX Error\u003cbr\u003eFailure code [D862KA] GPS Antenna Open Circuit\u003cbr\u003eFailure code [D8ALKA] Operating Lamp Open Circuit (KOMTRAX)\u003cbr\u003eFailure code [D8ALKB] Operating Lamp Short Circuit (KOMTRAX)\u003cbr\u003eFailure code [D8AQK4] CAN2 Discon (KOMTRAX) 2\u003cbr\u003eFailure code [D8AQKR] CAN2 Discon (KOMTRAX)\u003cbr\u003eFailure code [DAF0KT] Abnormality of Non-volatile Memory (MON)\u003cbr\u003eFailure code [DAF0MB] Monitor ROM Abnormality\u003cbr\u003eFailure code [DAF0MC] Monitor Error\u003cbr\u003eFailure code [DAF3KK] Controller Power Source Low (MON)\u003cbr\u003eFailure code [DAF8KB] Camera Power Supply Short Circuit\u003cbr\u003eFailure code [DAFDKB] Monitor 12V Power Output Short Circuit\u003cbr\u003eFailure code [DAFGMC] GPS Module Error\u003cbr\u003eFailure code [DAFLKA] Operating Lamp Open Circuit (MON)\u003cbr\u003eFailure code [DAFLKB] Operating Lamp Short Circuit (MON)\u003cbr\u003eFailure code [DAFQKR] CAN2 Discon (Monitor)\u003cbr\u003eFailure code [DAJ0KK] Controller Power Source Low (HST)\u003cbr\u003eFailure code [DAJ0KT] Abnormality of Non-volatile Memory (HST)\u003cbr\u003eFailure code [DAJ0MC] HST Con Error\u003cbr\u003eFailure code [DAJ1KA] Disconnection of Key SW ACC (HST)\u003cbr\u003eFailure code [DAJ2KK] Solenoid Power Source Low (HST)\u003cbr\u003eFailure code [DAJ4KB] Ground Fault of Sol\u003cbr\u003eFailure code [DAJ4KZ] Failure of Sol\u003cbr\u003eFailure code [DAJ5KX] Failure of 5V Power Source 0\u003cbr\u003eFailure code [DAJ6KX] Failure of 5V Power Source 1\u003cbr\u003eFailure code [DAJ9KQ] Inconsistency of Model Selection (HST)\u003cbr\u003eFailure code [DAJLKA] Operating Lamp Open Circuit (HST)\u003cbr\u003eFailure code [DAJLKB] Operating Lamp Short Circuit (HST)\u003cbr\u003eFailure code [DAJQKR] CAN2 Discon ( HST Con)\u003cbr\u003eFailure code [DAJRKR] CAN1 Discon ( HST Con)\u003cbr\u003eFailure code [DAJRMA] Inconsistency of Option Selection (HST)\u003cbr\u003eFailure code [DAZ9KQ] A\/C Model Selection Abnormality\u003cbr\u003eFailure code [DAZQKR] CAN2 Discon (Aircon ECU)\u003cbr\u003eFailure code [DB2QKR] CAN2 Discon (Engine Con)\u003cbr\u003eFailure code [DB2RKR] CAN1 Discon (Engine Con)\u003cbr\u003eFailure code [DD1ALD] Ground Fault of Remote Positioner Set SW\u003cbr\u003eFailure code [DDAAL6] Discon of Engine Shutdown Secondary Switch\u003cbr\u003eFailure code [DDB2L4] Stop Lamp Switch Signal Malfunction\u003cbr\u003eFailure code [DDB6L4] Parking Brake Signal Malfunction\u003cbr\u003eFailure code [DDD7KA] Failure of Variable Speed Control\u003cbr\u003eFailure code [DDD7KY] Hot Short of Variable Speed Control\u003cbr\u003eFailure code [DDK3KA] FNR SW Input Signal Disconnection\u003cbr\u003eFailure code [DDK3KB] FNR SW Input Signal Short Circuit\u003cbr\u003eFailure code [DDK6KA] FNR Lever Input Signal Disconnection\u003cbr\u003eFailure code [DDK6KB] FNR Lever Input Signal Short Circuit\u003cbr\u003eFailure code [DDNRLD] Ground Fault of Work Equip\u003cbr\u003eFailure code [DF10KA] Disconnection of Speed Range Input\u003cbr\u003eFailure code [DF10KB] Ground Fault of Speed Range Input\u003cbr\u003eFailure code [DGR2KB] Ground Fault of Brake Oil Temp\u003cbr\u003eFailure code [DGR2KZ] Failure of Brake Oil Temp\u003cbr\u003eFailure code [DHG1KX] Out of Range of HST Oil Temp\u003cbr\u003eFailure code [DHHBKA] Failure of HST Press\u003cbr\u003eFailure code [DHHBKY] Hot Short of HST Press\u003cbr\u003eFailure code [DHHCKA] Failure of HST Press\u003cbr\u003eFailure code [DHHCKY] Hot Short of HST Press\u003cbr\u003eFailure code [DHPCKA] Failure of Boom Press\u003cbr\u003eFailure code [DHPCKY] Hot Short of Boom Press\u003cbr\u003eFailure code [DHPEKA] Failure of Steering \u0026amp; Loader Pump Press\u003cbr\u003eFailure code [DHPEKY] Hot Short of Steering \u0026amp; Loader Pump Press\u003cbr\u003eFailure code [DHS8KA] Failure of Boom Raise PPC Sens\u003cbr\u003eFailure code [DHS8KY] Hot Short of Boom Raise PPC Sens\u003cbr\u003eFailure code [DHS9KA] Failure of Boom Lower PPC Sens\u003cbr\u003eFailure code [DHS9KY] Hot Short of Boom Lower PPC Sens\u003cbr\u003eFailure code [DHSDKA] Failure of Bucket Dump PPC Sens\u003cbr\u003eFailure code [DHSDKY] Hot Short of Bucket Dump PPC Sens\u003cbr\u003eFailure code [DHSNKA] Failure of Bucket Tilt PPC Sens\u003cbr\u003eFailure code [DHSNKY] Hot Short of Bucket Tilt PPC Sens\u003cbr\u003eFailure code [DHT8ZG] Steering Oil Pressure Low\u003cbr\u003eFailure code [DHTCL6] Failure of HST Oil Filter Sensor Circuit\u003cbr\u003eFailure code [DJF1KA] Disconnection of Fuel Level Sensor\u003cbr\u003eFailure code [DK55KA] Failure of FNR Lever Potentio\u003cbr\u003eFailure code [DK55KY] Hot Short of FNR Lever Potentio Circuit\u003cbr\u003eFailure code [DK55L5] Failure of FNR Lever Potentio\u003cbr\u003eFailure code [DK5DKA] Failure of 3rd Lever Potentio (Main)\u003cbr\u003eFailure code [DK5DKY] Hot Short of 3rd Lever Potentio (Main)\u003cbr\u003eFailure code [DK5DL8] 3rd Lever Potentio (Main \u0026amp; Sub) Disagree\u003cbr\u003eFailure code [DK5EKA] Failure of 3rd Lever Potentio (Sub)\u003cbr\u003eFailure code [DK5EKY] Hot Short of 3rd Lever Potentio (Sub)\u003cbr\u003eFailure code [DK70KA] Failure of inching sensor Circuit\u003cbr\u003eFailure code [DK70KY] Hot Short of inching sensor Circuit\u003cbr\u003eFailure code [DKA0KA] Failure of Boom Angle Sensor\u003cbr\u003eFailure code [DKA0KY] Hot Short of Boom Angle Sensor Circuit\u003cbr\u003eFailure code [DKA0L0] Boom Angle Sensor Dislocation\u003cbr\u003eFailure code [DLM3KA] Disconnection of Radiator Fan Speed Sensor\u003cbr\u003eFailure code [DLM3LC] Failure of Radiator Fan Speed Sensor\u003cbr\u003eFailure code [DLT3KX] Vehicle Speed Sensor Circuit Failure (B)\u003cbr\u003eFailure code [DLT4KX] Vehicle Speed Sensor Circuit Failure (A)\u003cbr\u003eFailure code [DLT4L0] Vehicle Speed Sensor Failure (A \u0026amp; B)\u003cbr\u003eFailure code [DLT4LC] Vehicle Speed Sensor Failure (A or B)\u003cbr\u003eFailure code [DPQ1KR] LIN Discon (Switch Panel)\u003cbr\u003eFailure code [DPQ2KR] LIN Discon (LED Unit)\u003cbr\u003eFailure code [DPQ3KR] LIN Discon (Rear View Monitor)\u003cbr\u003eFailure code [DSJ0KR] CAN2 Discon (Meter Unit)\u003cbr\u003eFailure code [DT22KB] Ground Fault of Work Equip\u003cbr\u003eFailure code [DV00KB] Ground Fault of Buzzer Output\u003cbr\u003eFailure code [DW26KA] Disconnection of Motor 2 Solenoid\u003cbr\u003eFailure code [DW26KB] Ground Fault of Motor 2 Solenoid\u003cbr\u003eFailure code [DW26KY] Hot Short of Motor 2 Solenoid\u003cbr\u003eFailure code [DW4BKA] Disconnection of Parking Brake Valve\u003cbr\u003eFailure code [DW4BKB] Ground Fault of Parking Brake Valve\u003cbr\u003eFailure code [DW4BKY] Hot Short of Parking Brake Valve\u003cbr\u003eFailure code [DW4RKA] Disconnection of Bucket EPC Sol\u003cbr\u003eFailure code [DW4RKB] Ground Fault of Bucket EPC Solenoid (Tilt)\u003cbr\u003eFailure code [DW4RKY] Hot Short of Bucket EPC Solenoid (Tilt)\u003cbr\u003eFailure code [DWM1KA] Disconnection of Neutral Lock Solenoid\u003cbr\u003eFailure code [DWM1KB] Ground Fault of Neutral Lock Solenoid\u003cbr\u003eFailure code [DWM1KY] Hot Short of Neutral Lock Solenoid\u003cbr\u003eFailure code [DWN6KA] Disconnection of Detent Solenoid (Boom)\u003cbr\u003eFailure code [DWN6KB] Ground Fault of Detent Solenoid (Boom)\u003cbr\u003eFailure code [DWN6KY] Hot Short of Detent Solenoid (Boom)\u003cbr\u003eFailure code [DWN8KA] Disconnection of Detent Solenoid (Bucket)\u003cbr\u003eFailure code [DWN8KB] Ground Fault of Detent Solenoid (Bucket)\u003cbr\u003eFailure code [DWN8KY] Hot Short of Detent Solenoid (Bucket)\u003cbr\u003eFailure code [DX19KA] Disconnection of Motor 1 Solenoid\u003cbr\u003eFailure code [DX19KB] Ground Fault of Motor 1 Solenoid\u003cbr\u003eFailure code [DX19KY] Hot Short of Motor 1 Solenoid\u003cbr\u003eFailure code [DX20KA] Disconnection of Clutch Control Solenoid\u003cbr\u003eFailure code [DX20KB] Ground Fault of Clutch Control Solenoid\u003cbr\u003eFailure code [DX20KY] Hot Short of Clutch Control Solenoid\u003cbr\u003eFailure code [DXAWKA] Disconnection of HST Pump EPC Sol\u003cbr\u003eFailure code [DXAWKB] Ground Fault of HST Pump EPC Sol\u003cbr\u003eFailure code [DXAWKY] Hot Short of HST Pump EPC Sol\u003cbr\u003eFailure code [DXH7KA] Disconnection of Reverse Solenoid\u003cbr\u003eFailure code [DXH7KB] Ground Fault of Reverse Solenoid\u003cbr\u003eFailure code [DXH7KY] Hot Short of Reverse Solenoid\u003cbr\u003eFailure code [DXH8KA] Disconnection of Forward Solenoid\u003cbr\u003eFailure code [DXH8KB] Ground Fault of Forward Solenoid\u003cbr\u003eFailure code [DXH8KY] Hot Short of Forward Solenoid\u003cbr\u003eFailure code [DXHJKA] Disconnection of 3rd EPC Solenoid (EXT)\u003cbr\u003eFailure code [DXHJKB] Ground Fault of 3rd EPC Solenoid (EXT)\u003cbr\u003eFailure code [DXHJKY] Hot Short of 3rd EPC Solenoid (EXT)\u003cbr\u003eFailure code [DXHKKA] Disconnection of 3rd EPC Solenoid (RET)\u003cbr\u003eFailure code [DXHKKB] Ground Fault of 3rd EPC Solenoid (RET)\u003cbr\u003eFailure code [DXHKKY] Hot Short of 3rd EPC Solenoid (RET)\u003cbr\u003eFailure code [H2K0KA] Failure of Quick Coupler Lock Signal\u003cbr\u003eFailure code [H2K0KY] Hot Short of Quick Coupler Lock Signal\u003cbr\u003eFailure code [J141N1] Steering Pump Over Run\u003cbr\u003eFailure code [LA00L3] Failure of Fan Reverse\u003cbr\u003eFailure code [M100N1] HST Pump Over Run\u003cbr\u003eFailure code [M400N1] HST Motor 1 Over Run\u003cbr\u003eTroubleshooting of electrical system (E-mode)\u003cbr\u003eE-1 Engine does not start\u003cbr\u003eE-2 Manual preheating system does not work\u003cbr\u003eE-3 Automatic preheating system does not work\u003cbr\u003eE-4 While preheating is working, preheating monitor does not light up\u003cbr\u003eE-5 All of LCD unit, LED unit, and meter unit on machine monitor display nothing\u003cbr\u003eE-6 LCD unit on machine monitor displays nothing\u003cbr\u003eE-7 Backlight of LCD unit on machine monitor is abnormal (Backlight goes out or flickers)\u003cbr\u003eE-8 LCD on machine monitor does not display properly\u003cbr\u003eE-9 Meter unit display on machine monitor is abnormal\u003cbr\u003eE-10 Night lighting lamp of meter unit on machine monitor is abnormal\u003cbr\u003eE-11 Caution LED on machine monitor is abnormal\u003cbr\u003eE-12 LED of switch panel on machine monitor is abnormal or switches does not operate properly\u003cbr\u003eE-13 Two switches operation of switch panel on machine monitor does not function\u003cbr\u003eE-14 Switch panel buzzer of machine monitor is abnormal\u003cbr\u003eE-15 Rearview monitor does not light up or backlight flickers\u003cbr\u003eE-16 Rearview monitor images are not displayed clearly\u003cbr\u003eE-17 Rearview monitor brightness cannot be adjusted\u003cbr\u003eE-18 Night lighting lamp of rearview monitor is abnormal\u003cbr\u003eE-19 Some items of gauges and caution lamps on machine monitor are not displayed properly\u003cbr\u003eE-20 Parking brake indicator lamp does not light when the parking brake is set to ON (Parking) position\u003cbr\u003eE-21 When brake accumulator oil pressure drops, the brake oil pressure caution lamp does not light\u003cbr\u003eE-22 The HSToil filter clogging caution lamp does not light up\u003cbr\u003eE-23 Radiator coolant level caution lamp does not light\u003cbr\u003eE-24 Indication of HSToil temperature gauge does not increase, or HSToil temperature caution lamp does not light\u003cbr\u003eE-25 When brake pedal (inching pedal) is depressed, inching function does not work (travel speed or traction force does not lower), or while not depressed, inching function operates\u003cbr\u003eE-26 Fuel level gauge does not indicate correct level\u003cbr\u003eE-27 Seat belt caution lamp indication is abnormal\u003cbr\u003eE-28 Horn does not sound\u003cbr\u003eE-29 Horn does not stop sounding\u003cbr\u003eE-30 Alarm buzzer does not sound\u003cbr\u003eE-31 When starting switch is in ON position, alarm buzzer does not stop sounding\u003cbr\u003eE-32 When emergency HST pump drive switch is operated, emergency HST pump does not\u003cbr\u003ework or when emergency HST pump drive switch is not operated, emergency HST\u003cbr\u003epump works\u003cbr\u003eE-33 Setting does not change while operating traction control switch\u003cbr\u003eE-34 Parking brake does not work even if it is applied, or the brake drags when parking brake\u003cbr\u003eis released and FR drive is operated\u003cbr\u003eE-35 Remote positioner does not work or cannot be released\u003cbr\u003eE-36 Bucket positioner does not work or cannot be released\u003cbr\u003eE-37 Direction selector (FNR) switch mode is not selected or not released\u003cbr\u003eE-38 PZ auto tilt-in does not work\u003cbr\u003eE-39 Tracktion level does not display MAX when max traction switch is turned ON\u003cbr\u003eE-40 ECSS function cannot be selected or cannot be released\u003cbr\u003eE-41 None of headlamp, clearance lamp, and tail lamp lights\u003cbr\u003eE-42 Clearance lamp ,tail lamp and license plate lamp do not light up or go out\u003cbr\u003eE-43 Both High and Low beams of headlamp do not light up or go out\u003cbr\u003eE-44 Low beam of headlamp does not light up or go out\u003cbr\u003eE-45 High beam of headlamp does not light up or go out\u003cbr\u003eE-46 Front working lamp does not light up or go out\u003cbr\u003eE-47 Rear working lamp does not light up or go out\u003cbr\u003eE-48 All of turn signal lamps and hazard lamps do not flash or go out\u003cbr\u003eE-49 Turn signal lamps do not flash or go out\u003cbr\u003eE-50 Hazard lamp does not flash or go out\u003cbr\u003eE-51 Brake lamp does not light or stays lighted\u003cbr\u003eE-52 Backup lamp does not light up or does not go out\u003cbr\u003eE-53 Backup buzzer does not sound or continues to sound\u003cbr\u003eE-54 Front wiper does not operate\u003cbr\u003eE-55 Rear wiper does not operate\u003cbr\u003eE-56 Window washer does not operate\u003cbr\u003eE-57 KOMTRAX system does not operate normally\u003cbr\u003eTroubleshooting of hydraulic and mechanical system (H-mode)\u003cbr\u003eInformation described in troubleshooting table (H-mode)\u003cbr\u003eSystem chart of hydraulic and mechanical systems\u003cbr\u003eFailure mode and cause table\u003cbr\u003eH-1 Machine does not travel forward or backward\u003cbr\u003eH-2 Machine does not travel forward (Machine travels backward normally)\u003cbr\u003eH-3 Machine does not travel backward (Machine travels forward normally)\u003cbr\u003eH-4 Machine does not travel forward or backward fast\u003cbr\u003eH-5 Machine does not travel forward fast (Machine travel backward fast)\u003cbr\u003eH-6 Machine does not travel backward fast (Machine travel forward fast)\u003cbr\u003eH-7 Machine lacks power neither when traveling forward nor backward\u003cbr\u003eH-8 Machine lacks power when traveling forward (Machine has sufficient power when traveling backward)\u003cbr\u003eH-9 Machine lacks power when traveling backward (Machine have sufficient power when traveling forward)\u003cbr\u003eH-10 Engine stalls during travel or engine speed drops significantly\u003cbr\u003eH-11 Steering wheel is too heavy to turn\u003cbr\u003eH-12 Steering wheel is heavy to turn\u003cbr\u003eH-13 Machine sways or large shocks are made while machine turns\u003cbr\u003eH-14 Machine unintentionally turns when machine travels\u003cbr\u003eH-15 Wheel brakes do not work or are weak\u003cbr\u003eH-16 Wheel brakes are not released or drag\u003cbr\u003eH-17 Parking brake does not work or it is weak\u003cbr\u003eH-18 Parking brake is not released or drags\u003cbr\u003eH-19 Boom does not rise\u003cbr\u003eH-20 Boom moves slow or boom lacks lifting force\u003cbr\u003eH-21 Rising boom slows down at certain height\u003cbr\u003eH-22 Lift cylinders do not serve to hold bucket on ground (bucket rises off ground)\u003cbr\u003eH-23 Hydraulic drift of boom is large\u003cbr\u003eH-24 Boom moves up and down during operation\u003cbr\u003eH-25 Bucket does not tilt back\u003cbr\u003eH-26 Bucket moves slow or lacks tilt-back force\u003cbr\u003eH-27 Bucket decelerates during tilt-back operation\u003cbr\u003eH-28 Bucket cylinder does not hold bucket on ground\u003cbr\u003eH-29 Hydraulic drift of bucket is large\u003cbr\u003eH-30 Bucket tilts back and forth during carrying load (work equipment valve in HOLD)\u003cbr\u003eH-31 Boom and bucket control levers do not move smoothly and are heavy to move\u003cbr\u003eH-32 Operating work equipment causes engine speed to lower significantly or engine to stall\u003cbr\u003eH-33 Large shocks are made when work equipment starts to move and stops\u003cbr\u003eH-34 When certain work equipment is relieved hydraulically, other work equipment moves\u003cbr\u003eH-35 E\u003cbr\u003eH-36 Fan speed is abnormal (too high or low, or fan does not rotate)\u003cbr\u003eH-37 Unusual noise is heard from around fan\u003cbr\u003eTroubleshooting of engine (S-mode)\u003cbr\u003eInformation described in troubleshooting table (S mode)\u003cbr\u003eS-1 Engine does not crank when starting switch is turned to START position\u003cbr\u003eS-2 Engine cranks but no exhaust smoke comes out\u003cbr\u003eS-3 Fuel is being injected but engine does not start (misfiring: engine cranks but does not start)\u003cbr\u003eS-4 Engine startability is poor\u003cbr\u003eS-5 Engine does not pick up smoothly\u003cbr\u003eS-6 Engine stops during operation\u003cbr\u003eS-7 Engine runs rough or is unstable\u003cbr\u003eS-8 Engine lacks power\u003cbr\u003eS-9 KDPF gets clogged in a short time\u003cbr\u003eS-10 Engine oil consumption is excessive\u003cbr\u003eS-11 Engine oil becomes contaminated early\u003cbr\u003eS-12 Fuel consumption is excessive\u003cbr\u003eS-13 Oil is in coolant (or coolant spurts or coolant level goes down)\u003cbr\u003eS-14 Oil pressure drops\u003cbr\u003eS-15 Fuel mixes into engine oil\u003cbr\u003eS-16 Water mixes into engine oil (milky)\u003cbr\u003eS-17 Coolant temperature rises too high (overheating)\u003cbr\u003eS-18 Unusual noise is heard\u003cbr\u003eS-19 Vibration is excessive\u003cbr\u003eS-20 Air cannot be bled from fuel circuit\u003cbr\u003eS-21 Active regeneration is executed frequently\u003cbr\u003eS-22 Active regeneration takes time\u003cbr\u003eS-23 White smoke is exhausted during active regeneration\u003cbr\u003e50 Disassembly and assembly\u003cbr\u003eRelated information on disassembly and assembly\u003cbr\u003eCoating materials list\u003cbr\u003eSpecial tools list\u003cbr\u003eSketches of special tools\u003cbr\u003eEngine and cooling system\u003cbr\u003eRemoval and installation of supply pump assembly\u003cbr\u003eRemoval and installation of injector assembly\u003cbr\u003eRemoval and installation of cylinder head assembly\u003cbr\u003eRemoval and installation of engine hood assembly\u003cbr\u003eRemoval and installation of grille assembly\u003cbr\u003eRemoval and installation of radiator core assembly\u003cbr\u003eRemoval and installation of aftercooler\u003cbr\u003eRemoval and installation of hydraulic oil cooler\u003cbr\u003eRemoval and installation of engine assembly\u003cbr\u003eRemoval and installation of engine front oil seal\u003cbr\u003eRemoval and installation of engine rear oil seal\u003cbr\u003eRemoval and installation of cooling fan and fan motor assembly\u003cbr\u003eRemoval and installation of KDPF assembly\u003cbr\u003eDisassembly and assembly of KDPF assembly\u003cbr\u003eRemoval and installation of KCCV assembly\u003cbr\u003eRemoval and installation of air cleaner assembly\u003cbr\u003eRemoval and installation of KVGTassembly\u003cbr\u003eRemoval and installation of EGR (Exhaust Gas Recirculation) valve assembly\u003cbr\u003eRemoval and installation of EGR (Exhaust Gas Recirculation) cooler assembly\u003cbr\u003eRemoval and installation of alternator belt\u003cbr\u003eRemoval and installation of fuel tank assembly\u003cbr\u003ePower train\u003cbr\u003eRemoval and installation of transfer assembly\u003cbr\u003eDisassembly and assembly of transfer assembly\u003cbr\u003eDisassembly and assembly of parking brake assembly\u003cbr\u003eDisassembly and assembly of differential assembly\u003cbr\u003eRemoval and installation of front axle assembly\u003cbr\u003eRemoval and installation of rear axle assembly\u003cbr\u003eDisassembly and assembly of axle housing assembly\u003cbr\u003eUndercarriage and frame\u003cbr\u003eRemoval and installation of center hinge pin\u003cbr\u003eRemoval and installation of counterweight assembly\u003cbr\u003eHydraulic system\u003cbr\u003eRemoval and installation of hydraulic tank assembly\u003cbr\u003eRemoval and installation of control valve assembly\u003cbr\u003eDisassembly and assembly of control valve assembly\u003cbr\u003eRemoval and installation of hydraulic pump assembly\u003cbr\u003eRemoval and installation of HST motor1 assembly\u003cbr\u003eRemoval and installation of HST motor2 assembly\u003cbr\u003eDisassembly and assembly of hydraulic cylinder assembly\u003cbr\u003eWork equipment\u003cbr\u003eRemoval and installation of work equipment assembly\u003cbr\u003eCab and its attachments\u003cbr\u003eRemoval and installation of operator’s cab and floor frame assembly\u003cbr\u003eRemoval and installation of operator’s cab glass (adhered glass)\u003cbr\u003eRemoval and installation of operator’s seat assembly\u003cbr\u003eRemoval and installation of seat belt\u003cbr\u003eElectrical system\u003cbr\u003eRemoval and installation of machine monitor assembly\u003cbr\u003eRemoval and installation of engine controller assembly\u003cbr\u003eRemoval and installation of HSTcontroller assembly\u003cbr\u003eRemoval and installation of air conditioner controller assembly\u003cbr\u003eRemoval and installation of monitor controller assembly\u003cbr\u003eRemoval and installation of mass air flow and temperature sensor\u003cbr\u003eRemoval and installation of KOMTRAX terminal assembly\u003cbr\u003eAir conditioner unit\u003cbr\u003eRemoval and installation of air conditioner compressor\u003cbr\u003eRemoval and installation of air conditioner condenser\u003cbr\u003eRemoval and installation of air conditioner unit assembly\u003c\/p\u003e\n\u003cp\u003e60 Maintenance standard\u003cbr\u003eEngine and cooling system\u003cbr\u003eEngine related parts\u003cbr\u003eCooling fan motor\u003cbr\u003ePower train\u003cbr\u003eDamper\u003cbr\u003eTransfer\u003cbr\u003eDrive shaft\u003cbr\u003eAxle\u003cbr\u003eDifferential\u003cbr\u003eLimited slip differential\u003cbr\u003eFinal drive\u003cbr\u003eSteering system\u003cbr\u003eSteering column\u003cbr\u003ePriority valve\u003cbr\u003eEmergency steering valve\u003cbr\u003eSteering cylinder\u003cbr\u003eBrake system\u003cbr\u003eBrake accumulator charge valve\u003cbr\u003eSlack adjuster\u003cbr\u003eBrake\u003cbr\u003eParking brake\u003cbr\u003eParking brake solenoid valve\u003cbr\u003eUndercarriage and frame\u003cbr\u003eAxle mount\u003cbr\u003eCenter hinge pin\u003cbr\u003eHydraulic system\u003cbr\u003eHydraulic tank\u003cbr\u003eDouble type gear pump\u003cbr\u003eSteering and work equipment pump\u003cbr\u003eControl valve\u003cbr\u003eSelf-pressure reducing valve\u003cbr\u003eWork equipment PPC valve\u003cbr\u003eWork equipment lock solenoid valve\u003cbr\u003eWork equipment\u003cbr\u003eIndex\u003cbr\u003eWork equipment linkage\u003cbr\u003eBucket\u003cbr\u003eWork equipment cylinder\u003cbr\u003eCab and its attachments\u003cbr\u003eCab mount\u003cbr\u003eElectrical system\u003cbr\u003eBucket positioner\u003cbr\u003eFork positioner\u003cbr\u003eRemote boom positioner\u003c\/p\u003e\n\u003cp\u003eAppendix\u003cbr\u003eTable of contents\u003cbr\u003eAir conditioner components\u003cbr\u003ePrecautions for refrigerant\u003cbr\u003eAir conditioner component\u003cbr\u003eConfiguration and function of refrigeration cycle\u003cbr\u003eOutline of refrigeration cycle\u003cbr\u003eAir conditioner unit\u003cbr\u003eDual pressure switch\u003cbr\u003eAir conditioner controller\u003cbr\u003eCompressor\u003cbr\u003eCondenser\u003cbr\u003eReceiver drier\u003cbr\u003eSunlight sensor\u003cbr\u003eOuter temperature sensor (outside air temperature sensor)\u003cbr\u003eProcedure for testing and troubleshooting\u003cbr\u003eCircuit diagram and arrangement of connector pins\u003cbr\u003eSystem diagram\u003cbr\u003eParts and connectors layout\u003cbr\u003eTesting with self-diagnosis function\u003cbr\u003eHow to open the electrical system abnormality record screen in service mode of the machine monitor\u003cbr\u003eTesting temperature control system\u003cbr\u003eTesting vent (mode) changeover\u003cbr\u003eTesting FRESH\/RECIRC air changeover\u003cbr\u003eTesting evaporator temperature sensor\u003cbr\u003eTesting relays\u003cbr\u003eTroubleshooting chart 1\u003cbr\u003eTroubleshooting chart 2\u003cbr\u003eInformation in troubleshooting table\u003cbr\u003eFailure code list related to air conditioner\u003cbr\u003eFailure code [879AKA] A\/C Inner Sensor Open Circuit\u003cbr\u003eFailure code [879AKB] A\/C Inner Sensor Short Circuit\u003cbr\u003eFailure code [879BKA] A\/C Outer Sensor Open Circuit\u003cbr\u003eFailure code [879BKB] A\/C Outer Sensor Short Circuit\u003cbr\u003eFailure code [879CKA] Ventilating Sensor Open Circuit\u003cbr\u003eFailure code [879CKB] Ventilating Sensor Short Circuit\u003cbr\u003eFailure code [879DKZ] Sunlight Sensor Open or Short Circuit\u003cbr\u003eFailure code [879EMC] Ventilation Damper Abnormality\u003cbr\u003eFailure code [879FMC] Air Mix Damper Abnormality\u003cbr\u003eA-1 Troubleshooting for power supply and CAN communication system (Air conditioner does not operate)\u003cbr\u003eA-2 Troubleshooting for compressor and refrigerant system (Air is not cooled)\u003cbr\u003eA-3 Troubleshooting for blower motor system (No air comes out or air flow is abnormal)\u003cbr\u003eA-4 Troubleshooting for FRESH\/RECIRC air changeover\u003cbr\u003eTroubleshooting with gauge pressure\u003cbr\u003eConnection of service tool\u003cbr\u003ePrecautions for disconnecting and connecting hoses and tubes in air conditioner circuit\u003cbr\u003eIndex\u003cbr\u003eHandling of compressor oil\u003c\/p\u003e\n\u003cp\u003eDiagrams and drawings\u003cbr\u003eHydraulic circuit diagram\u003cbr\u003eSymbols in hydraulic circuit diagram\u003cbr\u003eHydraulic circuit diagram\u003cbr\u003eElectric circuit diagram\u003cbr\u003eSymbols in electric circuit diagram\u003cbr\u003eElectrical circuit diagram of machine body\u003cbr\u003eElectrical circuit diagram of floor\u003cbr\u003eIndex\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCovers\u003c\/strong\u003e\u003cspan\u003e: Komatsu WA270-7 Wheel Loader (USA, Serial No. A27001 and up)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003ePages\u003c\/strong\u003e\u003cspan\u003e: 2,048\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003cspan\u003e: PDF\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003cspan\u003e: Windows\/Mac\/Tablet\u003cbr\u003e\u003cstrong\u003eFile size\u003c\/strong\u003e: 56mb\u003cbr\u003e\u003c\/span\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003cspan\u003e: Instant digital download only – no printed copy or CD-ROM media.\u003c\/span\u003e\u003c\/p\u003e","brand":"High Quality Manuals","offers":[{"title":"Default Title","offer_id":9969598267439,"sku":"","price":16.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2795\/9270\/products\/Komatsu_WA270-7_Wheel_Loader_Service_Repair_Manual_pdf.jpg?v=1579498475","url":"https:\/\/www.heavy-equipmentmanual.com\/en-gb\/products\/komatsu-wa270-7-wheel-loader-service-repair-manual-sn-a27001-up","provider":"Heavy Equipment Manual","version":"1.0","type":"link"}