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BRAKES
51
BRAKES
BRAKE SHOE REPLACEMENT
REMOVAL
NOTE
Release the hand brake before proceeding to
remove the brake shoes.
1. Remove the axle shaft assembly from the rear
axle.
(For procedure refer axle shaft removal in
rear axle section)
2. Remove the brake assembly
(Parking Brake)
from the axle shaft. (For procedure refer axle
shaft dismantling in rear axle section.)
3. Remove the cover from brake adjusting hole.
4. With the help of a screw driver reduce the
adjuster assembly to its minimum length by
rotating the adjuster nut.
5. Using a suitable drift, tap out the end of shoe
return spring from the hole in the abutment end
of lined shoe.
6. Compress and remove the spring plate and
remove shoe hold down pin from the back
plate.
7. Manipulate the shoes to detach the adjuster
assembly and shoe return spring.
8. Detach the adjuster unit assembly from the
shoes and clean the unit.
CLEANING
•
Clean the back plate thoroughly; use a soft
wire brush to remove any corrosion.
•
Ensure shoe sliding platforms on the dust
shield are smooth and not corroded. If
necessary, smooth the platforms with a fine
emery-cloth.
•
Examine the adjuster assembly to see it is in
good working order and ensure the adjuster
nut is free to run the full length of the thread.
FITMENT
1. Assemble male and female pushrods
(to its
minimum length)
with adjuster nut.
2. Assemble the shoes and shoe return spring in
the reverse order of removal.
3. With the adjuster assembly in its minimum
length condition, assemble the adjuster
assembly between the shoe webs.
NOTE
Lubricate the adjuster screw threads with a thin
film of SPHEEROL grease before assembling.
4. Fit the pin and spring plate of shoe hold down
to both the shoes.
NOTE
Thin film of lithium base grease to be smeared on
the shoe seating area on adaptor and shield at the
time of relining.
5. Fit the hand brake cable to the pull rod,
ensuring the cable is correctly located in the
end of the pull rod.
NOTE
The cable should just be tight without pulling the
operating lever from the “fully off” position.
6. Ensure that the lined shoe is free from oil and
grease.
7. Clean the exterior of the drum with a wire
brush and wipe the inside with a clean rag.
NOTE
•
If the drum looks in poor condition or is scored
from inside where the brake shoes touch,
replace the drum.
•
Whenever new shoes are fitted, ensure to fit
new shoe return springs also. Always fit new
shoes in pairs to both the sides of the axles.
(RLH & RRH sides)