nifty HYBRID DC HR15N Series, Руководство по обслуживанию

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Service Manual
HR15/17N HYBRID DC
English 07/16
56
Engine
output
insufficient
Carbon stuck around orifice
of injection nozzle piece
Clean orifice and needle valve, being careful not to damage the
nozzle orifice
Check nozzle for condition. Replace if necessary
Inadequate compression.
Leaking valves
Bad valve or excessive wear of rings, pistons and liners cause
insufficient compression. Replace with new parts
Grind valves
Fuel supply is deficient Check fuel system
Moving parts overheating
Check lubricating oil system
Check lubricating oil filter is functioning correctly
Filter element deposited with impurities will cause poor
lubrication. Replace element
Check clearance of bearings are within factory specifications
Check ignition timing
Valve clearance is wrong
Adjust valve clearance to 0.145 to 0.185mm (0.0057 to
0.0072in.) when the engine is cold
Air cleaner is dirty Clean the air filter every 100 hours of operation
Fuel injection pressure is
incorrect
Adjust to correct pressure. 13.7 Mpa (140kgf/cm2, 1991psi)
Injection pump wear
Do not use poor quality fuel as it will cause excessive pump
wear. Only use No 2-D fuel
Check the fuel injection pump element and delivery valve
assembly and replace if necessary
Engine
cutting out
due to low
fuel level
Fuel level too low
Re-fill fuel tank if problem persists see above for 'Air or water
mixed in fuel system'
Fuel line crushed Release fuel line and replace if damaged
Lift pump not functioning
correctly
Replace lift pump
Problem
Cause / Test
Solution