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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
Oil seal here is damaged
Replace 25
×
47
×
7 oil seal
Severe oil leak from
transmission countershaft’s
hexagon hole
The countershaft is broken
Replace countershaft
Seal gasket is damaged
Replace
Φ
10
×
2.65 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