Trouble shooting table
14
Fault
Remedy
(This column is filled in only if the
”probable cause” gives no clue as
to what must be done).
Probable cause
Vibrations, droning
noise, structure-borne
sound
D Drive system not or inaccurately aligned
D Unsuitable clutch
D Unsuitable engine/gearbox mounts
D Elastic mounts unequally loaded (height
adjustment)
D Propeller shaft unbalanced
Engine knocks D Engine in cold running phase
D Delivery start set incorrectly
D Injector needle sticking
D High load at low speed
D Fuel is slow to ignite
D Compression too low
Engine is too loud D Intake or exhaust gas pipe leaky
D Valve clearance too large
D V-belt slipping
D Timing gears worn, backlash of teeth
too large
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