Komatsu Galeo BR380JG-1E0 Mobile Crusher Service Manual
842 pages · Publication SEN01341-03
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- Models
- Galeo BR380JG-1E0
- Serial coverage
- 2001 and up
- Manual type
- Service Manual
- Pages
- 842
- Publication
- SEN01341-03
- Condition
- Brand new

What's inside
From the manual's own table of contents: 167 sections, 323 entries. See sample pages (PDF, 870 KB)
Show all 167 sections
Functions and operation by valve48 topics
- Crusher motor
- Grizzly feeder motor
- Conveyor motor
- Travel motor
- Valve control
- Solenoid valve
- EPC valve
- Electromagnetic selector valve
- Hydraulic cylinder
- Grizzly feeder semiautomatic system
- Abnormal load stop system
- Primary belt conveyor
- Grizzly feeder
- Crusher
- Crusher tooth tip adjustment system
- Vibrator
- Engine control
- Work equipment and pump controller
- Electronic control system
- Machine monitor system
- Sensor
- Standard value table for engine
- Standard value table for chassis
- Tools for testing, adjusting, and troubleshooting
- Measuring engine speed
- Measuring intake air pressure (boost pressure)
- Checking exhaust gas color
- Adjusting valve clearance
- Measuring compression pressure
- Measuring blow-by pressure
- Measuring engine oil pressure
- Handling fuel system parts
- Releasing residual pressure from fuel system
- Measuring fuel pressure
- Measuring fuel return rate and leakage
- Bleeding air from fuel circuit
- Checking fuel circuit for leakage
- Checking and adjusting track shoe tension
- Measuring and adjusting oil pressure in work equipment and travel circuits
- Measuring control circuit basic pressure
- Measuring and adjusting oil pressure in pump PC control circuit
- Measuring and adjusting oil pressure in pump LS control circuit
- Measuring solenoid valve output pressure
- Measuring PPC valve output pressure
- Measuring oil leakage
- Bleeding air from each part
- Testing travel deviation
- Adjusting mirrors
Failure code [7RF4KY] Short circuit in feeder forward EPC valve56 topics
- Failure code [7RFAKY] Short circuit in engine stop relay
- Failure code [7RFAKZ] Disconnection or short circuit in engine stop relay
- Failure code [7RFBKB] Short circuit in muck conveyor solenoid
- Failure code [7RFBKZ] Disconnection or short circuit in muck conveyor solenoid
- Failure code [7RFCKA] Disconnection in magnetic separator solenoid
- Failure code [7RFCKB] Short circuit in magnetic separator solenoid
- Failure code [7RFCKY] Short circuit in magnetic separator solenoid
- Failure code [7RFHKB] Short circuit in conveyor forward relay
- Failure code [7RFHKY] Short circuit in conveyor forward relay
- Failure code [7RFKKB] Short circuit in lock cylinder pull relay
- Failure code [7RFKKY] Short circuit in lock cylinder pull relay
- Failure code [7RFLKA] Disconnection in accessory EPC solenoid
- Failure code [7RFLKB] Short circuit in accessory EPC solenoid
- Failure code [7RFLKY] Short circuit in accessory EPC solenoid
- Failure code [7RFMKY] Short circuit in abnormal pressure relay
- Failure code [7RFMKZ] Disconnection or short circuit in abnormal pressure relay
- Failure code [7RFNKA] Disconnection in lock cylinder unlock solenoid valve
- Failure code [7RFNKB] Short circuit in lock cylinder unlock solenoid valve
- Failure code [7RFNKY] Short circuit in lock cylinder unlock solenoid valve
- Failure code [7RFPKB] Short circuit in lock cylinder push relay
- Failure code [7RFPKY] Short circuit in lock cylinder push relay
- Failure code [7RGAMA] Abnormality in 2nd conveyor pressure sensor
- Failure code [7RJAKA] Disconnection in travel lock EPC solenoid valve
- Failure code [7RJAKB] Short circuit in travel lock EPC solenoid valve
- Failure code [7RJAKY] Short circuit in travel lock EPC solenoid valve
- Failure code [7RJMMW] Lock cylinder slipping
- Failure code [7RJNMA] Abnormality in vibratory screen pressure sensor
- Failure code [7RJPKB] Short circuit in radio control work-mode switch
- Failure code [7RJQKB] Short circuit in radio control travel-mode switch
- Failure code [7RJRKB] Short circuit on travel signal
- Failure code [7RJSMA] Abnormality in magnetic separator pressure sensor
- Failure code [AA10NX] Air cleaner Clogging
- Failure code [AB00KE] Charge voltage too low
- Failure code [B@BAZG] Engine oil pressure too low
- Failure code [B@BAZK] Engine oil level reduction
- Failure code [B@BCNS] Radiator coolant overheat
- Failure code [B@BCZK] Radiator coolant level reduction
- Failure code [B@HANS] Hydraulic oil overheat
- Failure code [CA111] Abnormality in engine controller
- Failure code [CA115] Abnormality in engine NE and Bkup speed sensors
- Failure code [CA122] Charge pressure sensor too high
- Failure code [CA123] Charge pressure sensor too low
- Failure code [CA131] Throttle sensor too high
- Failure code [CA132] Throttle sensor too low
- Failure code [CA144] Coolant temperature sensor too high
- Failure code [CA145] Coolant temperature sensor too low
- Failure code [CA153] Charge temperature sensor too high
- Failure code [CA154] Charge temperature sensor too low
- Failure code [CA155] Charge temperature too high and engine speed derated
- Failure code [CA187] Sensor power source 2 too low
- Failure code [CA221] Ambient pressure sensor too high
- Failure code [CA222] Ambient pressure sensor too low
- Failure code [CA227] Sensor power source 2 too high
- Failure code [CA234] Engine overspeed
- Failure code [CA238] Abnormal power source for Ne speed sensor
- Failure code [CA271] Short circuit in fuel pump actuator
The engine stops while it is running52 topics
- The automatic warm-up function does not work
- Preheater does not operate
- The whole work equipment stops suddenly
- The red mark of emergency stop is indicated just after the engine is started
- The machine monitor does not display any item
- Some items are not displayed on the machine monitor
- Contents of display by machine monitor are different from applicable machine
- Fuel level monitor was lighted in red while engine running
- Engine coolant temperature gauge does not indicate normally
- The fuel level gauge does not display normally
- The hydraulic oil temperature gauge does not display normally
- The travel, work, and inspection modes do not change
- The crusher clearance adjustment mode does not change
- The crusher rotation direction does not change
- Machine does not travel
- Travel cannot be controlled by radio control
- The feeder cannot be turned ON and OFF by radio control
- One-touch start, stop switch cannot be operated by radio control
- The monitor switches do not work
- switch on the monitor
- KOMTRAX system does not operate normally
- System chart for hydraulic and mechanical systems
- Information contained in troubleshooting table
- The speed or power of the whole work equipment and travel is low
- The engine speed lowers extremely or the engine stalls
- The work equipment and travel systems do not work
- Abnormal sound comes out from around the hydraulic pump
- Fine control performance or response is low
- The conveyor does not operate
- The speed or power of the conveyor is low
- The crusher does not operate
- The speed or power of crusher is low
- The feeder does not operate
- The feeder does not feed smoothly (Vibration frequency is low)
- The magnetic separator does not operate
- The speed of magnetic separator belt is low
- The side conveyor does not operate
- The speed or power of the side conveyor is low
- The primary conveyor and the side conveyor do not move up and down
- The machine deviates during travel
- The travel speed is low
- The machine is not steered well or steering power is low
- The travel motor does not work (only one side)
- The crusher clearance cannot be adjusted
- Method of using troubleshooting chart
- Starting performance is poor
- Engine does not start
- Engine does not pick up smoothly
- Engine stops during operations
- Engine does not rotate smoothly
- Engine lack output (or lacks power)
- Exhaust smoke is black (incomplete combustion)
Inside this manual
Real pages from this service manual (842 pages). Open the sample pages (PDF, 869 KB)
- Specifications, page 218: 10 Structure, function and maintenance standard
- Troubleshooting, page 556: Failure code [7RJSMA] Abnormality in magnetic separator pressure
- Diagram, page 647: Failure code [CA2185] Throttle pedal sensor power source too high
- Foldout diagram, page 836: Electrical circuit diagram (1/4)
This is a service manual
Here's how it compares to the other manual types.
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, 842 pages
Quantity one is the manual described above.
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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.
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).