ENGINE INSTRUCTION MANUAL
33
9/235HA, 10/215HA
Unstable engine running.
Crack in injection pipe.
Unstable low idling.
Injection nozzle failure.
Engine stop solenoid return failure.
Uneven compression pressure between cylinders.
Incorrect high idle speed
adjustment.
Incorrect control lever adjustment.
Governor internal malfunction.
Engine hunting in medium speed
range.
Governor spring deteriorated.
Air in the fuel system.
Insufficient fuel supply.
Clogged fuel filter element.
Piping failure (squeezed/
restricted etc.).
Engine malfunction in high speed
range.
Uneven fuel injection amount between cylinders.
Deteriorated governor spring.
Incorrect valve clearance adjustment.
Deteriorated valve spring.
Engine speed stuck at high idle.
Engine control restriction or seizure.
Engine overheat.
Insufficient coolant volume.
Fan belt slippage.
Cooling system defect.
Thermostat malfunction.
Radiator filler cap malfunction.
Cooling system interior fouled.
Radiator clogged.
Engine over-loaded.
Improper servicing.
Air cleaner element clogged.
Insufficient airflow/restriction.
Restricted coolant flow (high concentration of antifreeze, etc.)
Low oil pressure.
Lack of oil.
Oil leakage.
High oil consumption.
Wrong oil.
Wrong type and viscocity.
High coolant temperature.
Over heat.
Clogged filter and strainer.
Worn bearings and oil pump.
Faulty relief valve.
Summary of Contents for 10/215HA
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Page 8: ...6 DECALS 9 235HA 10 215HA Engine oil drain...
Page 50: ...48 MACHINE SYSTEMS 9 235HA 10 215HA...
Page 51: ...MACHINE SYSTEMS 49 9 235HA 10 215HA...
Page 52: ...50 MACHINE SYSTEMS 9 235HA 10 215HA...
Page 53: ...MACHINE SYSTEMS 51 9 235HA 10 215HA...
Page 54: ...52 MACHINE SYSTEMS 9 235HA 10 215HA...
Page 55: ...MACHINE SYSTEMS 53 9 235HA 10 215HA...
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Page 68: ...Doosan Bobcat EMEA s r o U Kodetky 1810 263 12 Dob Czech Republic www doosanportablepower eu...