SECTION 3 − DUTY − INDUSTRIAL APPLICATION MOTORI
89
ED. FEBUARY 2003
ANOMALY POSSIBLE CAUSE REMEDY NOTE
Engine running with abnormal knocking Knocking of cranksh aft cau sing excessive
play on one or more main or rod bearings
or excessive play on shoulders.
Rectify the pins of the crankshaft and install
smaller bearings. Replace t he thrust half−
rings.
Crankshaft unbalanced. Check alignment of crankshaft.
Loosening of screws securing flywheel. Replace the loosened sc rews and tighten all
the screws to the specified torque.
Misalignment of rods. Replace the rods.
Noise from piston journals due to excessive
play of piston hubs and in the rod bushing.
Loose bushings in the rod seatings.
Replace the piston journal and/or the piston
and rod bushin g.
Replace with new bushings.
Noisy t iming. Adjust the play between camshaft cams and
tappets and check that there are no broken
springs, that there is n o excessive play be-
tween the valve stems and the valve guides,
tappets and seatings.
The en gin e smokes abnormally. Black or
dark grey smoke.
Excessive maximum pump output. Disconnect the pump and adjust delivery in
accordance with the data given in the ca-
libration table .
See your dealer.
K.K.S.B. device out of calibration or malfunc-
tioning.
Check operation by a tester and adjust cor-
rectly as described in the manual.
There is an excessive delay on the in jec t ion
pump.
Correct the set−up.
To Next Page
Loading...
