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iii. Trouble shooting of running mechanism
Phenomenon
Cause
Solution
Too high noise from gear
Too heavy wear or incorrect repair of
gear
Reinstall, adjust or replace
gear
Seizure of gear during its
rotation
Incorrect installation
Reinstall it
Lubricant
inside
box
is
too
insufficient
Add engine oil as required
Lateral clearance of gear is too small
Reinstall gear
Overheating
Axial internal clearance is too small
Reinstall gear
Connecting bolt is loose
Retighten bolt
Oil leak from connections of
transmission box
Seal gasket is damaged
Replace seal gasket
Oil
leak
from
outer
cylindrical surface of output
shaft bush
Oil seal here is damaged
Replace oil seal B 45
×
62
×
8
Severe
oil
leak
from
transmission
countershaft’s
hexagon hole
The countershaft is broken
Replace countershaft
Seal gasket is damaged
Replace
Φ
10
×
1.8 O ring
Oil leak from oil drain hole
Threaded plug is loose
Retighten threaded plug as
required
Oil leak from transmission
box wall
Hidden pinholes in the transmission
box wall
Repair
by
welding
or
applying base coat