Komatsu WA430-6 Wheel Loader Service Manual
1,997 pages · Publication CEBM008201
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- Models
- WA430-6
- Serial coverage
- A42001 and up
- Manual type
- Service Manual
- Pages
- 1,997
- Publication
- CEBM008201
- Condition
- Brand new
What's inside
From the manual's own table of contents: 4 sections, 700 entries. See sample pages (PDF, 1021 KB)
FOREWORD8 topics
- 12CONTENTS
- GENERAL
- STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
- STANDARD VALUE TABLES
- TESTING AND ADJUSTING
- TROUBLESHOOTING
- DISASSEMBLY AND ASSEMBLY
- DIAGRAMS AND SCHEMATICS
STRUCTURE, FUNCTION AND177 topics
- ECMV and Fill Switch
- Operation of ECMV
- ECMV for Lockup Clutch
- Main Relief Valve and Torque Converter Relief Valve
- Outline
- Operation
- DRIVE AXLE SYSTEM
- Front and Rear Axles
- Front Axle
- Rear Axle
- Differential
- Front Differential
- Rear Differential
- Limited Slip Differential (if equipped)
- Final Drives
- STEERING SYSTEM
- Steering Piping Diagram
- Steering Column
- Steering Pump
- Pump Unit
- Servo Valve
- LS Valve
- PC Valve
- Steering Valve
- Operation of Flow Amplifier
- Operation of Flow Control Spool
- Operation of Steering Valve
- Steering Relief Valve
- Overload Relief Valve
- Orbitrol Valve
- Structure
- Stop Valve
- Steering Relief Valve (if equipped)
- Steering Cylinder
- Emergency Steering Motor (if equipped)
- Emergency Steering Pump (if equipped)
- Joystick Steering Lever Linkage (if equipped)
- Steering Electric Lever (if equipped)
- Joystick EPC Valve (if equipped)
- SERVICE BRAKING SYSTEM
- Brake Piping Diagram
- Charge Valve
- Function
- Main Relief Valve (R1)
- PPC Relief Valve (R3)
- Sequence Valve (H1)
- Shuttle Valve (S1)
- Brake Valve
- Accumulator (for Brake)
- Brakes
- Front Brake
- Rear Brake
- Parking Brake System
- Parking Brake Control
- Parking Brake
- Parking Brake Solenoid Valve
- Emergency Parking Brake Release Valve
- UNDERCARRIAGE AND FRAME
- Axle Mount and Center Hinge Pin
- Tires
- Radial Tire
- Bias Tire
- HYDRAULIC SYSTEM
- Hydraulic Piping Diagram
- Work Equipment Control Lever System
- 2-Lever Type
- Multi-Function Monolever Type (if equipped)
- Hydraulic Tank
- Breather
- Power Train Pump
- Work Equipment Pump
- Type: LPV90
- Operation of Pump
- Control of Delivery
- Work Equipment Control Valve
- 4-Spool Valve
- Closed Center Loading-Sensing System (CLSS)
- Basic Principle
- Pressure Compensation Control
- Hydraulic Circuit Diagram and Valves
- Unload Valve
- When Control Valve is at Neutral
- When Control Valve is Controlled Finely
- When Control Valve is Operated
- Work Equipment Valve (Lift Arm)
- Work Equipment Valve (Bucket and Attachment)
- LS Bypass Plug
- Pressure Compensation Valve
- Lift Arm Regeneration Circuit
- Variable Lift Check Valve
- ECSS Control Valve
- Accumulator Pressure Relief Valve
- Restriction on Lift Arm Raise Stroke
- Accumulator Charge Valve
- PPC Valve
- Work Equipment PPC Valve
- Attachment PPC Valve (if equipped)
- Stabilizer Valve
- Accumulator for PPC Circuit
- Accumulator for ECSS
- Work Equipment PPC Cutoff Solenoid Valve (if equipped)
- WORK EQUIPMENT
- Work Equipment Linkage
- Bucket
- Bucket Positioner and Boom Kickout
- Bucket Positioner
- Boom Kickout
- Operation of Proximity Switch
- Function of Proximity Switch
- Work Equipment Cylinders
- Lift Cylinder
- Bucket Cylinder
- CAB ENVIRONMENT
- Air Conditioner
- Air Conditioner Piping Diagram
- Refrigerant Circuit Diagram
- Air Conditioner Unit
- Functions of Major Components
- Blower and Intake Unit
- Compressor
- Condenser
- Receiver
- Automatic Air Conditioner Panel
- ELECTRICAL SYSTEM
- Machine Monitor System
- System Circuit Diagram
- Monitor Display Functions
- Speedometer Specification
- List of Items Displayed on Monitor
- Machine Monitor Operation Switches
- Setting the Machine Monitor
- Troubleshooting Function
- Character Display Function
- Operator Mode Functions
- Service Mode Functions
- Input And Output Signals
- Transmission Controller System
- Transmission Controller Gearshifting Control Function
- Cooling Fan Control Function
- ECSS Function
- Electric Emergency Steering Function (if equipped)
- Power Train Pump Bypass Control Function (if equipped)
- Directional Selector Switch Control Function (if equipped)
- Multi-Function Mono Lever Function (if equipped)
- Joystick Steering Function (if equipped)
- Transmission Controller
- Work Equipment Controller System
- Work Equipment Controller
- ELECTRONIC TRANSMISSION CONTROL
- Combination Switch
- Kickdown and Hold Switch
- Multi-Function Knob (if equipped)
- Joystick Steering Knob (if equipped)
- KOMTRAX Terminal System
- Engine Starting Circuit
- Engine Stopping Circuit
- Preheating Circuit
- Engine Power Mode Selector Circuit
- Engine Output Derating Function
- Automatic Warm-up Function
- Parking Brake Circuit
- Sensors
- Speed Sensor
- Torque Converter Oil Temperature Sensor
- Hydraulic Oil Temperature Sensor
- Transmission Oil Temperature Sensor
- Brake Oil Temperature Sensor
- Work Equipment Pump Oil Pressure Sensor
- Steering Pump Oil Pressure Sensor
- Transmission Cutoff Oil Pressure Sensor
- Coolant Level Sensor
- Fuel Level Sensor
- Air Cleaner Clogging Sensor
- Water-In Fuel Sensor
- Accelerator Pedal Sensor
- Boom Kickout Proximity Switch
- Bucket Positioner Proximity Switch
TESTING AND ADJUSTING144 topics
- Air Conditioner Compressor Belt
- Testing the Tension
- Adjusting the Tension
- Replacing Alternator Belt
- TRANSMISSION SPEED SENSOR
- LEVERS
- Adjusting Directional Lever Length
- Adjusting Gearshift Lever Length
- Testing Directional Lever
- POWER TRAIN OIL PRESSURES
- Measuring
- Transmission Main Relief Pressure
- Torque Converter Relief Pressure (Inlet Pressure)
- Torque Converter Outlet Pressure
- F (Forward) Clutch Pressure
- R (Reverse) Clutch Pressure
- 1st Clutch Pressure
- 2nd Clutch Pressure
- 3rd Clutch Pressure
- 4th Clutch Pressure
- Lubrication Pressure
- Adjusting
- Transmission Main Relief Valve
- FLUSHING TRANSMISSION SYSTEM
- Torque Converter and Hydraulic Circuit
- WHEN TRANSMISSION VALVE FAILS
- AXLE FINAL DRIVE
- DRIVE SHAFTS
- Steering Stop Valve
- Testing
- Steering Wheel
- Measuring Play In Steering Wheel
- Measuring Operating Effort of Steering Wheel
- Measuring Operating Time of Steering Wheel
- Steering Oil Pressure
- Measuring Steering Relief Pressure
- Measuring Steering Pilot Circuit Pressure
- Adjusting Steering Relief Pressure
- Adjusting Steering Control Circuit Pressure
- Bleeding Air from Steering Circuit
- Bleeding Air from Steering Pump
- Bleeding Air from Steering Cylinder Circuit
- HYDRAULIC DRIVE FAN
- Measuring Fan Speed
- Measuring Fan Drive Oil Pressure
- Bleeding Air from Hydraulic Drive Fan Circuit
- Bleeding Air from Fan Pump
- Bleeding Air from Fan Motor Circuit
- WHEEL BRAKE SYSTEM
- Brake Pedal
- Measuring Pressing Angle of Pedal
- Brake Pedal Linkage
- Measuring Brake Performance
- Accumulator Charge Pressure
- Measuring Brake Oil Pressure
- Testing Wear of Wheel Brake Disc
- Bleeding Air from Brake Circuit
- Releasing Residual Pressure in Brake Accumulator Circuit
- Testing Parking Brake Performance
- Measuring Parking Brake Oil Pressure
- Checking Wear of Parking Brake Disc
- Releasing Parking Brake Manually
- Work Equipment Control Levers
- Operating Effort of Work Equipment Control Lever
- Stroke of Work Equipment Control Lever
- PPC Oil Pressure
- Measuring PPC Pump Basic Pressure
- Measuring PPC Valve Output Pressure
- Adjusting PPC Relief Valve
- Work Equipment Oil Pressure
- Preparation Work
- Measuring Work Equipment Relief Pressure
- Measuring Unload Pressure
- Measuring Work Equipment LS Differential Pressure
- Adjusting Work Equipment Relief Pressure
- Adjusting Unload Pressure
- Adjusting LS Differential Pressure
- Bleeding Air from Work Equipment Circuit
- From Work Equipment Pump (Piston Pump)
- From Hydraulic Cylinder
- Releasing Residual Pressure in Work Equipment Circuit
- From the Circuit between Hydraulic Cylinders and Control Valve
- From ECSS (Travel Damper) Circuit
- ECSS (Electronically Controlled Suspension System) Accumulator
- ECSS Accumulator Nitrogen Gas Pressure
- Testing ECSS Accumulator Nitrogen Gas Pressure
- Charging ECSS Accumulator with Nitrogen Gas
- Work Equipment Positioners
- Testing and Adjusting Bucket Positioner
- Testing and Adjusting Boom Kickout
- Proximity Switch Operation Pilot Lamp
- Procedure for Testing Diodes
- Preparation for Troubleshooting Electric System
- Machine Monitor
- Work Equipment Controller (if equipped)
- KOMTRAX Terminal
- Ambient Pressure Sensor (AMBAIR PRESSURE)
- Engine Ne Speed Sensor (CRANK SENSOR)
- Engine Bkup Speed Sensor (CAM SENSOR)
- Engine Oil Pressure Switch (OIL PRESSURE SWITCH)
- Boost Pressure And Temperature Sensor (BOOST PRESS & IMT)
- Supply Pump IMV Solenoid (FUEL REGULATOR)
- Common Rail Pressure Sensor (FUEL RAIL PRESS)
- Engine Coolant Temperature Sensor (COOLANT TEMP)
- Terminal Installed at Plant Before Shipment
- Terminal Retrofitted on Machine After Shipment
- Starting Operation
- KOMTRAX Terminal Lamps
- 7-segment and Dot Displays for CPU
- Adjusting Machine Monitor
- Adjusting for Replaced, Reassembled, or Added Sensor/Controller
- Adjustment for User’s Needs
- Special Functions of Machine Monitor (EMMS)
- Normal Functions and Special Functions of Machine Monitor
- Functions and Flow of Service Mode
- Operator Mode
- Service Meter/Clock Display Function (1)
- Load Meter Function (2) (if equipped)
- Odometer Display Function (3)
- Maintenance Monitoring Function (4)
- Telephone Number Input Function (5)
- Language Selection Function (6)
- Monitor Brightness Adjustment Function (7)
- Time Adjustment Function (8)
- Travel Speed/Engine Speed Display Selecting Function (9)
- Travel Speed/Engine Speed Display/Non-Display Selecting Function (10)
- Action Code Display Function (11)
- Failure Code Display Function (12)
- Service Mode
- Switching to Service Mode and Screen Display (1)
- Electrical System Fault History Display Function (ELECTRIC FAULT) (2)
- Mechanical System Fault History Display Function (MACHINE FAULT) (3)
- Real-Time Monitoring Function (REAL-TIME MONITOR) (4)
- Real-Time Monitoring Codes Tables
- Engine Reduced-Cylinder Function (CYLINDER CUT-OUT) (5)
- No-Injection Cranking Function (NO INJECTION) (6)
- Adjustment Function (TUNING) (7)
- Maintenance Monitoring Function (MAINTENANCE MONITOR) (8)
- Operating Information Display Function (OPERATION INFO) (9)
- Optional Device Selecting Function (OPTIONAL SELECT) (10)
- Machine Serial Number Input Function (MACHINE NO. SET) (11)
- Model Select Function (MACHINE) (12)
- Initialize Function (13)
- PM-CLINIC INSPECTION TABLE
TROUBLESHOOTING367 topics
- DRC26 Series Connectors
- DRC12, 16 Series Connectors
- AMP Connectors for Pump Controller (CH700)
- BOSCH Connectors for Engine
- SUMITOMO Connectors for Engine
- CANNON Connector for Engine
- AMP Connectors for Engine
- FRAMATOME Connectors for Engine
- PACKARD Connectors for Engine
- DT Series Connectors for Engine
- T-BRANCH BOXES and ADAPTERS
- T-Branch Box and T-Branch Adapter Table
- MODE CHART
- INFORMATION IN TESTING PROCEDURES
- TROUBLESHOOTING BY FAILURE CODE
- Failure Codes Table
- FUSE BOX AND SLOW-BLOW FUSES
- Connection Table
- Fuse Box 1
- Fuse Box 2
- Slow-Blow Fuses
- FAILURE CODES
- TORQFLOW Transmission: Double Meshing
- ECMV F Clutch: When Command Current is OFF, Fill Signal is ON
- 15SALH
- ECMV F Clutch: When Command Current is ON, Fill Signal is OFF
- ECMV R Clutch: When Command Current is OFF, Fill Signal is ON
- 15SBLH
- ECMV R Clutch: When Command Current is ON, Fill Signal is OFF
- ECMV 1st Clutch: When Command Current is OFF, Fill Signal is ON
- 15SELH
- ECMV 1st Clutch: When Command Current is ON, Fill Signal is OFF
- ECMV 2nd Clutch: When Command Current is OFF, FIll Signal is ON
- 15SFLH
- ECMV 2nd Clutch: When Command Current is ON, Fill Signal is OFF
- ECMV 3rd Clutch: When Command Current is OFF, Fill Signal is ON
- 15SGLH
- ECMV 3rd Clutch: When Command Current is ON, Fill Signal is OFF
- ECMV 4th Clutch: When Command Current is OFF, Fill Signal is ON
- 15SHLH
- ECMV 4th Clutch: When Command Current is ON, Fill Signal is OFF
- Parking Brake: Malfunction
- Accumulator: Low Oil Pressure
- Bucket Positioner: ON/OFF Signals Disagree
- AA1ANX
- Air Cleaner: Clogging
- Alternator: Signal Disagrees with Operating State of Engine
- AB00MA
- Alternator: Malfunction
- B@BAZG
- Rotation Derating by Low Engine Oil Pressure
- B@BAZK
- Engine Oil: Low Level
- B@BCNS
- Coolant: Overheating
- B@BCZK
- Coolant: Low Level
- B@BEBF
- Water in Fuel Error
- B@C7NS
- Brake Oil: Overheating
- b@CENS
- Torque Converter Oil: Overheating
- B@HANS
- Hydraulic Oil: Overheating
- Abnormality in Engine Controller
- Engine Ne or Bkup Speed Sensor Error
- Charge Pressure Sensor High Error
- Charge Pressure Sensor Low Error
- Throttle Sensor High Error
- Throttle Sensor Low Error
- Coolant Sensor High Error
- Coolant Sensor Low Error
- Charge Temperature Sensor High Error
- Charge Temperature Sensor Low Error
- Derating of Speed by Abnormally High Charge Temperature
- Sensor Power Supply 2 Low Error
- Atmospheric Pressure Sensor High Error
- Atmospheric Pressure Sensor Low Error
- Sensor Power Supply 2 High Error
- Engine Overspeed
- Ne Speed Sensor Power Supply Error
- IMV/PCV1 Short Circuit
- IMV/PCV1 Disconnection
- High Pressure Pump Error
- Injector #1 Open/Short Error
- Injector #5 Open/Short Error
- Injector #3 Open/Short Error
- Injector #6 Open/Short Error
- Injector #2 Open/Short Error
- Injector #4 Open/Short Error
- Calibration Code Inconsistency
- Injectors Drive Circuit Error
- Sensor Power Supply 1 Low Error
- Sensor Power Supply 1 High Error
- Abnormally High Level in Water Sensor
- Abnormally Low Level in Water Sensor
- Idle Validation Switch Error
- Idle Validation Action Error
- Engine Oil Pressure Switch Error
- Battery Voltage Low Error
- Battery Voltage High Error
- Common Rail Pressure High Error 2
- Common Rail Pressure Sensor High Error
- Common Rail Pressure Sensor Low Error
- Derating of Torque by Abnormally High Charge Temperature
- Common Rail Pressure High Error 1
- Supply Pump Pressure Very Low Error
- Engine Ne Speed Sensor Error
- Engine Bkup Speed Sensor Phase Error
- All Continuous Data Lost Error
- Engine Bkup Speed Sensor Error
- KOMNET Datalink Timeout Error
- Throttle Sensor Power Supply Voltage High Error
- Throttle Sensor Power Supply Voltage Low Error
- Supply Pump Pressure Very Low Error 2
- Abnormally High Level in Electric Lift Pump
- Abnormally Low Level in Electric Lift Pump
- Abnormality in IMV Solenoid
- Intake Heater Relay Disconnection Error
- Intake Heater Relay Short Circuit Error
- Emergency Steering Relay: Disconnection
- Emergency Steering Relay: Short Circuit
- Emergency Steering Relay: Short Circuit with Power Supply Line
- Backup Lamp Relay: Disconnection
- Backup Lamp Relay: Short Circuit
- Backup Lamp Relay: Disconnection or Short Circuit
- Joystick Steering Neutral Safety Relay: Disconnection
- Joystick Steering Neutral Safety Relay: Short Circuit
- Joystick Steering Neutral Safety Relay: Short Circuit with Power Supply Line
- ECSS Solenoid: Disconnection
- ECSS Solenoid: Short Circuit
- ECSS Solenoid: Short Circuit with Power Supply Line
- Joystick Steering Solenoid Cutout Relay: Disconnection
- Joystick Steering Solenoid Cutout Relay: Short Circuit
- Joystick Steering Solenoid Cutout Relay: Short Circuit with Power Supply Line
- D5ZHKA
- Terminal C Signal: Disconnection
- D5ZHKB
- Terminal C Signal: Short Circuit
- D5ZHKZ
- Terminal C Signal: Disconnection or Short Circuit
- D5ZHL6
- Terminal C Signal: Signal Does Not Match Engine Running or Stopped State
- Auto-Grease Controller: ON/OFF Signals Disagree
- DAF3KK
- Machine Monitor: Low Source Voltage (input)
- DAF5KP
- Machine Monitor: Low Output Voltage
- DAFRKR
- Machine Monitor: CAN Defective Communication
- DAQ0KK
- Transmission Controller: Low Source Voltage
- DAQ0KT
- Transmission Controller: Abnormality in Controller
- DAQ1KA
- Terminal ACC Input: Disconnection
- DAQ2KK
- Transmission Controller Load Power Supply Line: Low Source Voltage (input)
- DAQ9KQ
- Transmission Controller: Disagreement of Model Selection Signals
- DAQRKR
- CAN Communication with Transmission Controller: Defective Communication
- DAQRMA
- Transmission Controller Option Setting: Malfunction
- DB2RKR
- CAN Communication with Engine Controller: Defective Communication
- DB90KK
- Work Equipment Controller: Low Source Voltage (input)
- DB90KT
- Work Equipment Controller: Abnormality in Controller
- DB92KK
- DB95KX
- Work Equipment Controller Power Supply Output: Out-of-Input Signal Range
- DB99KQ
- Work Equipment Controller: Disagreement in Model Selection Signals
- DB9RKR
- DB9RMA
- Work Equipment Controller Option Setting: Malfunction
- DB9RMC
- CAN Communication: Defective Operation
- DD15LD
- Switch (Panel Switch 1 n): Switch is Pressed for Long Time
- DD16LD
- Switch (Panel Switch 2 ‡): Switch is Pressed for Long Time
- DD17LD
- Switch (Panel Switch 3 <): Switch is Pressed for Long Time
- DD18LD
- Switch (Panel Switch 4 >): Switch is Pressed for Long Time
- DD1ALD
- DD1BLD
- DD1CLD
- Load Meter Subtotal Switch: Switch is Pressed for Long Time
- DD1FLD
- Load Meter Mode Selector Switch (A/B): Switch is Pressed for Long Time
- DD1GLD
- Load Meter Mode Selector Switch (+/-): Switch is Pressed for Long Time
- DD1HLD
- Load Meter Display Selector Switch: Switch is Pressed for Long Time
- DD1NLD
- Fan Reverse Switch: Switch is Pressed for Long Time
- DD1NL4
- Fan Automatic Reverse Switch: Switch is Pressed for Long Time
- DDB6L4
- Parking Brake Switch (Neutralizer): ON/OFF Signals Disagree
- DDD1LD
- Remote Positioner Bucket Angle Set Switch: Switch is Pressed for Long Time
- DDE5MA
- Emergency Steering Drive Switch: Malfunction
- DDK3KA
- Right FNR Switch: Disconnection
- DDK4KA
- Joystick Steering FNR Switch: Disconnection
- DDK5L4
- Joystick Steering Shift UP/DOWN Switch: ON/OFF Signals Disagree
- DDK6KA
- FNR Lever Switch: Disconnection
- DDK6KB
- FNR Lever Switch: Short Circuit
- DDS5KA
- Steering Pressure Switch: Disconnection
- DDS5KB
- Steering Pressure Switch: Grounded
- DDS5L6
- Steering: Low Oil Pressure
- DDT0L4
- Shift Mode Selector Switch: ON/OFF Signals Disagree
- DDT4LD
- Transmission Cutoff Set Switch: Switch is Pressed for Long Time
- DDW9LD
- Kickdown Switch: Switch is Pressed for Long Time
- DDWLLD
- Hold Switch: Switch is Pressed Down for Long Time
- DDY0LD
- Load Meter Cancel Switch: Switch is Pressed for Long Time
- DF10KA
- Transmission Shift Lever Switch: Disconnection
- DF10KB
- Transmission Shift Lever Switch: Short Circuit
- DGF1KA
- Transmission Oil Temperature Sensor: Disconnection
- DGF1KB
- Transmission Oil Temperature Sensor: Short Circuit
- DGH2KX
- Hydraulic Oil Temperature Sensor: Out-of-Input Signal Range
- DGR2KA
- Rear Brake Oil Temperature Sensor: Disconnection
- DGR2KX
- Rear Brake Oil Pressure Sensor: Out-of-Input Signal Range
- DGT1KX
- Torque Converter Oil Temperature Sensor: Out-of-Input Signal Range
- DH21KA
- Loader Pump Pressure Sensor: Disconnection
- DH21KB
- Loader Pump Pressure Sensor: Power Supply Line Short
- DHPCKX
- Lift Arm Cylinder Bottom Pressure Sensor: Out-of-Input Signal Range
- DHPDKX
- Lift Arm Cylinder Head Pressure Sensor: Out-of-Input Signal Range
- DHT1KX
- Transmission Cutoff Pressure Sensor: Out-of-Input Signal
- DHT8KA
- Steering Pump Pressure Sensor: Disconnection
- DHT8KB
- Steering Pump Pressure Sensor: Short Circuit
- DK59KA
- Lift Arm EPC Lever Potentiometer (Main): Disconnection
- DK59KY
- Lift Arm EPC Lever Potentiometer (Main): Analog Signals Disagree
- DK5AKA
- Lift Arm EPC Lever Potentiometer (Sub): Disconnection
- DK5AKY
- Lift Arm EPC Lever Potentiometer (Sub): Short Circuit with Power Supply LIne
- DK5BKA
- Bucket EPC Lever Potentiometer (Main): Disconnection
- DK5BKY
- Bucket EPC Lever Potentiometer (Main): Short Circuit with Power Supply Line
- DK5BL8
- Bucket EPC Lever Potentiometer (Main): Analog Signals Disagree
- DK5CKA
- Bucket EPC Lever Potentiometer (Sub): Disconnection
- DK5CKY
- Bucket EPC Lever Potentiometer (Sub): Short Circuit with Power Supply Line
- DK5FKA
- Joystick Steering EPC Lever Potentiometer (Main): Disconnection
- DK5FKY
- Joystick Steering EPC Lever Potentiometer (Main): Power Supply Line Short
- DK5GKA
- Joystick Steering EPC Lever Potentiometer (Sub): Disconnection
- DK5GKY
- Joystick Steering EPC Lever Potentiometer (Sub): Power Supply Line Short
- DK5FL8
- Joystick Steering EPC Lever Potentiometer (Main): Analog Signals Disagree
- DKA0KA
- Lift Arm Angle Sensor: Disconnection
- DKA0KY
- Lift Arm Angle Sensor: Short Circuit with Power Supply Line
- DKA0L0
- Lift Arm Angle Sensor: Double Meshing
- DLT3KA
- Transmission Output Shaft Speed Sensor: Disconnection
- DLT3LC
- Transmission Output Shaft Speed Sensor: Out-of-Input Signal Range
- DT20KB
- Transmission Cutoff Indicator Lamp: Short Circuit
- DUM1KB
- Remote Positioner Raise Set Indicator Lamp: Short Circuit
- DUM2KB
- Remote Positioner Lower Set Indicator Lamp: Short Circuit
- DV00KB
- Alarm Buzzer: Short Circuit
- DW4PKA
- Lift Arm Raise EPC Solenoid: Disconnection
- DW4PKB
- Lift Arm Raise EPC Solenoid: Short Circuit
- DW4PKY
- Lift Arm Raise EPC Solenoid: Short Circuit with Power Supply Line
- DW4QKA
- Lift Arm Lower EPC Solenoid: Disconnection
- DW4QKB
- Lift Arm Lower EPC Solenoid: Short Circuit
- DW4QKY
- Lift Arm Lower EPC Solenoid: Short Circuit with Power Supply Line
- DW4RKA
- Bucket Tilt EPC Solenoid: Disconnection
- DW4RKB
- Bucket Tilt EPC Solenoid: Short Circuit
- DW4RKY
- Bucket Tilt EPC Solenoid: Short Circuit with Power Supply Line
- DW4SKA
- Bucket Dump EPC Solenoid: Disconnection
- DW4SKB
- Bucket Dump EPC Solenoid: Short Circuit
- DW4SKY
- Bucket Dump EPC Solenoid: Short Circuit with Power Supply Line
- DW7BKA
- Fan Reverse Solenoid: Disconnection
- DW7BKB
- Fan Reverse Solenoid: Short Circuit
- DW7BKY
- Fan Reverse Solenoid: Short Circuit with Power Supply Line
- DW7DKA
- Hydraulic Drive Fan Neutral Solenoid: Disconnection
- DW7DKB
- Hydraulic Drive Fan Neutral Solenoid: Short Circuit
- DW7DKY
- Hydraulic Drive Fan Neutral Solenoid: Short Circuit with Power Supply Line
- DWM1KA
- Work Equipment Neutral Lock Solenoid: Disconnection
- DWM1KB
- Work Equipment Neutral Lock Solenoid: Short Circuit
- DWM1KY
- Work Equipment Neutral Lock Solenoid: Short Circuit with Power Supply Line
- DWN6KA
- Lift Arm Raise Magnet Detent Solenoid: Disconnection
- DWN6KB
- Lift Arm Raise Magnet Detent Solenoid: Short Circuit
- DWN6KY
- Lift Arm Raise Magnet Detent Solenoid: Short Circuit with Power Supply Line
- DWN7KA
- Lift Arm Float Magnet Detent Solenoid: Disconnection
- DWN7KB
- Lift Arm Float Magnet Detent Solenoid: Short Circuit
- DWN7KY
- Lift Arm Float Magnet Detent Solenoid: Short Circuit with Power Supply Line
- DWN8KA
- Bucket Tilt Magnet Detent Solenoid: Disconnection
Inside this manual
Real pages from this service manual (1,997 pages). Open the sample pages (PDF, 1018 KB)
- Diagram, page 1,132
- Troubleshooting, page 1,252: Possible causes
- Specifications, page 1,912: DISASSEMBLY AND ASSEMBLY
- Foldout diagram, page 1,982
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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, 1,997 pages
Quantity one is the manual described above.
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Other editions and similar models
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