Komatsu 730E-8 with 16V159 Engine Dump Truck Service Manual
823 pages · Publication CEBM032401
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- Models
- 730E-8 with 16V159 Engine
- Serial coverage
- A40015-A40017, A40035 and up
- Manual type
- Service Manual
- Pages
- 823
- Publication
- CEBM032401
- Condition
- Brand new
What's inside
From the manual's own table of contents: 150 sections, 303 entries. See sample pages (PDF, 1526 KB)
Composition of shop manual
Foreword
How to read the shop manual
General safety
Precautions before operating the truck
Precautions while operating the truck
Working near batteries
Precautions before performing service
Precautions while performing service
Tires
Precautions for performing repairs
Precautions for welding on the truck
Capacitor discharge system
Handling electrical equipment and hydraulic components
Standard tightening torques
Conversion tables
Specification drawing
Specifications
Weight table
Fuel, coolant and lubricants
Steering circuit operation
Steering circuit components
Steering/brake pump operation
Flow amplifier operation
Show all 150 sections
Hoist circuit operation
Hoist circuit components
Hoist pilot valve operation
General information
Service brake circuit operation
Secondary braking and auto apply
Parking brake circuit operation
Wheel brake lock circuit operation
Brake warning circuit operation35 topics
- Battery supply system
- Isolation box
- Auxiliary control cabinet components
- Relay boards
- Electric cranking motor system (with prelube)
- Body-up switch
- Hoist limit switch
- General system operation
- AC drive system components
- DSC software functions
- Alternator field control
- Event detection and processing
- Event restrictions
- Event logging and storage
- Abnormal conditions/overriding functions
- Electronic accelerator and retard pedals
- Drive system component abbreviations & locations
- General information
- Principles of refrigeration
- Air conditioning system components
- Air conditioning system electrical circuit
- Standard value table for truck
- General information on system checkout
- Hydraulic system checkout procedures
- Hydraulic system checkout data sheet
- Toe-in adjustment
- Hoist cylinder leakage test
- Steering cylinder leakage test
- Brake circuit checkout procedure
- Brake system checkout data sheet
- Service brake conditioning (burnishing) procedure
- Parking brake adjustment procedure
- Brake bleeding procedure
- Piston assembly return spring force and built-in clearance (BIC)
- Valve bench test and adjustment
Accumulator charging and storage
Bladder accumulator charging procedure
Bladder accumulator leak testing
Piston accumulator charging procedure
Piston accumulator storage
Piston accumulator leak testing
Checking for improper suspension charge
Suspension oiling and charging procedures
Suspension pressure test
Interface module software
Interface module checkout procedures
KOMTRAX Plus software and tools
KOMTRAX Plus controller setup procedure
KOMTRAX Plus initialization form
Precautions when replacing the KOMTRAX Plus controller
KOMTRAX Plus controller checkout procedure
Payload meter IV software and tools
Payload meter IV system configuration
Payload meter IV software installation
Payload meter IV checkout procedure
PLM IV system checkout data sheet
Software download and setup
Configuring a KWB_Connect device
Configuring a TRUCK_NET device
Changing a service computer’s IP address
Connecting to a wireless network
KWB_Connect troubleshooting
TRUCK_NET troubleshooting
KWB_Connect checkout data sheet
TRUCK_NET checkout data sheet
Service tools and equipment
Detecting leaks
System performance test
Checking system oil
System flushing
Installing the manifold gauge set
Recovering and recycling refrigerant40 topics
- Evacuating the air conditioning system
- Charging the air conditioning system
- Fuse and circuit breaker locations
- DID panel fault code tables
- Fault Code A001: Left front suspension pressure sensor signal high
- Fault Code A002: Left front suspension pressure sensor signal low
- Fault Code A003: Right front suspension pressure sensor signal high
- Fault Code A004: Right front suspension pressure sensor signal low
- Fault Code A005: Left rear suspension pressure sensor signal high
- Fault Code A006: Left rear suspension pressure sensor signal low
- Fault Code A007: Right rear suspension pressure sensor signal high
- Fault Code A008: Right rear suspension pressure sensor signal low
- Fault Code A009: Incline sensor signal high
- Fault Code A010: Incline sensor signal low
- Fault Code A011: Payload meter speed sensor signal has failed
- Fault Code A013: Body up switch has failed
- Fault Code A014: Payload meter checksum computation has failed
- Fault Code A016: Payload meter write to flash memory has failed
- Fault Code A017: Payload meter flash memory read has failed
- Fault Code A018: Right rear flat suspension cylinder warning
- Fault Code A019: Left rear flat suspension cylinder warning
- Fault Code A022: Carryback load excessive
- Fault Code A101: High pressure detected across an hydraulic pump filter
- Fault Code A103: Hydraulic Oil Temp - Tank Sensor Low
- Fault Code A104: Hydraulic oil temp - Tank sensor high
- Fault Code A105: Fuel level sensor shorted to ground indicating a false high fuel level
- Fault Code A109: GE has generated a propel system reduced level signal
- Fault Code A111 & A247: Low steering pressure warnings
- Fault Code A115: Low steering precharge pressure detected
- Fault Code A117 & A261: Low brake accumulator pressure warnings
- Fault Code A118: Brake pressure is low while in brake lock
- Fault Code A123: GE has generated a reduced retarding caution
- Fault Code A124: GE has generated a no propel / no retard warning
- Fault Code A125: GE has generated a no propel warning
- Fault Code A126: Oil level in the hydraulic tank is low
- Fault Code A127: IM-furnished +5 volt output for sensors is low
- Fault Code A128: IM-furnished +5 volt output for sensors is high
- Fault Code A139 & A310: Low fuel warnings
- Fault Code A152: Starter failure
- Fault Code A153: Battery voltage is low with the truck in operation
Fault Code A154: Battery charging voltage is excessive
Fault Code A155: Battery charging voltage is low
low fuel level
Fault Code A184: J1939 data link is not connected
Fault Code A190: Auto lube control has detected an incomplete lube cycle
Fault Code A193: Hydraulic tank oil temperature is high
Fault Code A198: Hoist pressure 1 sensor is high
Fault Code A200: Steering pressure sensor is high
Fault Code A201: Brake pressure sensor is high
Fault Code A202: Hoist pressure 1 sensor is low
Fault Code A204: Steering pressure sensor is low
Fault Code A205: Brake pressure sensor is low
Fault Code A206: Ambient temperature sensor is high
Fault Code A207: Ambient temperature sensor is low
not having applied
not having released
command valve circuit
been attempted
Fault Code A230: Parking brake has been requested while truck still moving
Fault Code A231: The body is up while traveling or intending to travel
Fault Code A233: Drive system CAN/RPC Control Link not connected
Fault Code A235: Steering accumulator is in the process of being bled down
Fault Code A236: The steering accumulator has not properly bled after 90 seconds
Fault Code A237: The CAN/RPC connection to the display is open
Fault Code A240: The key switch input to the interface module is open
Fault Code A242: Fuel gauge within the display panel is defective
Fault Code A243: Engine coolant temperature gauge within the display panel is defective
Fault Code A244: Drive system temperature gauge within the display panel is defective
Fault Code A245: Hydraulic oil temperature gauge within the display panel is defective
Fault Code A246: Payload meter reports truck overload
Fault Code A248: Status module within the display panel is defective
Fault Code A249: Red warning lamp within the display (driven by IM) is shorted
Fault Code A250: Battery voltage is low with the truck parked
to ground
Fault Code A252: Start enable output circuit is either open or shorted to ground
Fault Code A253: Steering bleed circuit is not open while running
and not wired
Fault Code A256: Red warning lamp in the display (driven by IM) is open
Fault Code A257: Payload CAN/RPC is not connected40 topics
- Fault Code A258: Steering accumulator bleed pressure switch circuit is defective
- Fault Code A260: Parking brake failure
- Fault Code A262: Steering bleed valve circuit open during shutdown
- Fault Code A264: Parking brake relay circuit is defective
- Fault Code A265: Service brake failure
- Fault Code A266: Selector lever was not in park while attempting to crank engine
- Fault Code A267: Parking brake was not set while attempting to crank engine
- Fault Code A268: Secondary engine shutdown while cranking
- Fault Code A270: Brake lock switch power supply is not on when required
- Fault Code A271: Shifter not in gear
- Fault Code A272: Brake lock switch power supply is not off when required
- pressure switch circuit
- Fault Code A274: A brake setting fault has been detected
- Fault Code A275: A starter has been detected as engaged without a cranking attempt
- Fault Code A277: Parking brake applied while loading
- Fault Code A278: Service brake applied while loading
- Fault Code A279: Low steering pressure switch is defective
- Fault Code A280: Steering accumulator bleed down switch is defective
- Fault Code A281: Brake lock degrade switch is defective
- without the engine running has reached 7
- was not set
- shutdown switch was operated
- Fault Code A285: The parking brake was not set when the key switch was turned off
- Fault Code A286: A fault was detected in the shutdown delay relay circuit
- circuit is off
- Fault Code A303: Shifter is defective
- Fault Code A304: Auto lube grease level fault
- Fault Code A305: Auto lube circuit is defective
- Fault Code A307: Both GE Inverters disabled
- Fault Code A309: No brakes applied when expected
- Fault Code A311: Brake lock switch on when it shouldn’t be
- Fault Code A312: The DCDC Converter 12 volt circuit sensing is producing low readings
- Fault Code A313: The DCDC converter 12 volt circuit sensing is producing high readings
- Fault Code A315: The DCDC converter 12 volt circuit is low
- Fault Code A316: Starter engagement has been attempted with engine running
- Fault Code A318: Unexpected power loss to Interface Module
- Fault Code A328: Drive system not powered up
- Fault Code A333: The hydraulic ladder controller has declared a ladder fault
- Fault Code A334: Selector switch not in park when propel was either not ready or at rest
- Fault Code A350: Overload on output 1B
Fault Code A351: Overload on output 1E
Fault Code A352: Overload on output 1H
Fault Code A353: Overload on output 1J
Fault Code A354: Overload on output 1K
Fault Code A355: Overload on output 1L
Fault Code A356: Overload on output 1M
Fault Code A357: Overload on output 1N
Fault Code A358: Overload on output 1P
Fault Code A359: Overload on output 1R
Fault Code A360: Overload on output 1S
Fault Code A361: Overload on output 1T
Fault Code A362: Overload on output 1U
Fault Code A363: Overload on output 1X
Fault Code A364: Overload on output 1Y
Fault Code A365: Overload on output 1Z
Preliminary checks
Diagnosis of gauge readings and system performance
Troubleshooting by manifold gauge set readings
Steering circuit troubleshooting chart
Steering circuit troubleshooting guidelines
Basic hydraulic system checks
System leakage check
Steering pump troubleshooting guide
Pump pressure control checks
Special tool group
Additional service tools
Locally made tools
General precautions for tires and rims
Rim components
Wheel stud maintenance
Removal and installation of front wheel
Removal and installation of rear wheel
Rim and tire service
Removal and installation of front wheel hub and spindle
Disassembly and assembly of front wheel hub and spindle
Hub floating ring seal assembly and installation
Removal and installation of rear axle
Removal and installation of anti-sway bar
Removal and installation of pivot pin
Pivot eye and bearing service
Removal and installation of wheel motor38 topics
- Removal and installation of brake valve
- Disassembly and assembly of brake valve/pedal assembly
- Removal and installation of brake manifold
- Disassembly and assembly of brake manifold
- Disassembly and assembly of brake accumulator
- Removal and installation of front brake caliper
- Disassembly and assembly of front brake caliper
- Removal and installation of rear brake caliper
- Disassembly and assembly of rear brake caliper
- Removal and installation of steering control unit
- Disassembly and assembly of steering control unit
- Removal and installation of steering column
- Removal and installation of steering wheel
- Removal and installation of bleeddown manifold
- Removal and installation of flow amplifier
- Removal and installation of steering cylinders and tie rod
- Disassembly and assembly of steering cylinders
- Removal and installation of steering/brake pump
- Removal and installation of piston steering accumulator
- Disassembly and assembly of piston steering accumulators
- Removal and installation of front suspension
- Disassembly and assembly of front suspension
- Removal and installation of rear suspension
- Disassembly and assembly of rear suspension
- Removal and installation of operator cab
- Removal and installation of cab door
- Disassembly and assembly of cab door
- Adjustment of cab door
- Removal and installation of side window glass
- Removal and installation of windshield and rear window glass
- Removal and installation of windshield wiper motor
- Removal and installation of windshield wiper arm
- Removal and installation of windshield wiper linkage
- Removal and installation of operator seat
- Replacing the seat compressor (standard seat)
- Removal and installation of seat belts (standard seat)
- Removal and installation of seat belts (optional seat)
- Replacement of air conditioning system components
Inside this manual
Real pages from this service manual (823 pages). Open the sample pages (PDF, 1525 KB)
- Specifications, page 323: 30 Testing and adjusting
- Diagram, page 371: Fault Code A004: Right front suspension pressure sensor signal low
- Troubleshooting, page 515: Fault Code A286: A fault was detected in the shutdown delay relay circuit
- Color page, page 72: 01 Specification
- Color page, page 289: 30 Testing and adjusting
- Foldout diagram, page 818: ELECTRICAL SCHEMATIC
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, 823 pages
Quantity one is the manual described above.
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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.
Other editions and similar models
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).