50
7.1.9
Rising of lube oil level
Possible causes
Fixing methods
a.
Water leakage from cylinder head gasket
b.
Water leakage from cylinder head or
bowl-shaped plug hole in engine block
Check and replace it
Repair with epoxy resin or replace with
a new plug
7.1.10
Engine running-away
Possible causes
Fixing methods
a. Oil delivery control rod of injection pump
seized at the maximum position
7.1.7.1.1
Sliding disc sleeve of governor
seized
c.
Adjusting rod of plunger broken or escaped
from the fork
d.
Too much lube oil in injection pump
e.
Too much lube oil entering into cylinder
Check and repair it
Check and repair it
Check and repair it
Drain out to the required level
Check and fix it
7.1.11
Engine drifting
Possible causes
Fixing methods
a. Uneven diesel delivery to each cylinder,
screw of fuel delivery adjusting fork
loosened
b. Too much the clearance of fork-
adjusting-arm
and the sliding disc worn out
c. Sleeve of sliding disc dragging
d. Too much the axial clearance of cam shaft
e. Air being in fuel pipes
Check and adjust it
Replace them
Use fine sand cloth to polish it or replace
it
Adjust with copper shims
Bleed air
7.1.12
Engine self-stalling
Possible causes
Fixing methods
a. Air being in fuel pipe or filter element
blocked
b. Seizing of piston
c. Bearing bush burning-out
d. Plunger or sliding disc sleeve of
governor seized
Check, bleed air or replace the filter
element
Check and replace it
Check and replace it
Check, repair or replace them
7.2
Chassis
7.2.1
Clutch
Trouble & possible causes
Fixing methods
1. Clutch slip
a. Friction disc stained with oil
b.
Pressing spring weakened or broken
c. Too less or even no pedal free travel
d. Driven disc warped, unevenly or
excessively worn out
Wash friction disc with gasoline and remove
oil leakage
Replace with a new one
Readjust pedal free travel as specified
Rectify or replace with a new one
