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5.2.2
Brake
Troubles & possible causes
Fixing methods
1.
Ineffective brake
Brake lining stained with lube oil
Brake lining or brake drum worn
out
Brake cam worn out excessively
Excessive pedal free travel
2.
Brake bias
RH and LH braking force different
One brake shoe lining stained with
oil
3.
Brake disengages incompletely
and gets overheated
Brake shoe return spring
weakened
Brake pedals unable to return
Too less the pedal free travel
1.
Wash brake lining with gasoline and
remove oil leakage
2.
Replace the worn out parts with new
ones
3.
Replace with a new brake cam
4.
Readjust pedal free travel
5.
Readjust the LH & RH pedal travel to
make the braking force same
6.
Wash the stained brake shoe lining clean
and remove oil leakage
7.
Replace with new springs
8.
Check whether the pedal return spring is
damaged, or operating shaft is seized and
fix up the troubles
9.
Readjust the pedal free travel
5.2.3
Gearbox
Troubles & possible causes
Fixing methods
1.
Abnormal sound in gearbox
Gearbox bearings or needle
rollers excessively worn out or
damaged
Abnormal meshing of main drive
gears
Spline shafts and the splined hole
of gears worn out
2.
Trip-over stop
Shift fork excessively worn out or
deformed
Fork shaft locking spring
weakened
Tooth profile or spline excessively
worn out
3.
Gearbox overheat
Too less the clearance of bearing or
gear backlash
Check and replace worn out bearings
or needle rollers with new ones
Examine gear meshing zone print and
backlash, adjust them as per
stipulations
Replace worn out parts with new
ones
Replace with a new one
Replace with a new one
Replace worn out parts with new
ones
Readjust
