525 / 1526
50
BRAKES
DISASSEMBLY
(Ref. Fig.51)
1.
Ensure that parking brake is in released
condition.
2.
Unscrew and loosen parking brake adjusting
lock nut and spherical nut at rear end of front
cable.
3.
Take out front ends of rear cables from link by
moving out cable end with button from recess
provided in link.
4.
Remove clips holding fronts ends of rear cables
and rear end of front cable on the brackets pull
out the cables and remove the cables from
mounting brackets.
5.
Disconnect electric connection from parking
brake switch.
6.
Unscrew the mounting screws of ratchet of
parking brake unit inside cab.
7.
Take out the front end of front cable from
parking brake lever after removing split pin,
spacer and clevis pin. Remove parking brake
lever with ratchet.
8.
Remove holder from front end sleeve of front
cable. Remove front cable.
9.
Only if necessary, dismantle the pawl, pawl
rod, and lever from ratchet by removing split
pin castle nut and bolt at, fulcrum. Remove
split pin, shim and clevis pin holding pawl with
lever. unscrew lock nut of knob on pawl rod.
Remove knob, lock nut, spring and sleeve.
Remove pawl rod with pawl. Push nut dowel
sleeve with suitable punch and remove pawl.
10. Remove rear cable from the rear drum brakes
by removing wheels and brake drums as
explained for removal of rear brake shoes.
11. Remove the rear cable with sleeve by taking
out the sleeve holders and the clip mounting
screws.
INSPECTION
1.
Check front and rear cables for any damage.
Replace the cable as an assembly if found
damaged.
2.
Check ratchet, pawl, lever, pawl rod and coil
spring for wear/damage and replace defective
parts.
3.
Check other parts like plastic bushes, links etc.
for damage and replace defective parts.
ASSEMBLY
Assemble all parts in reverse order of disassembly.
Note:
i. While assembling front cable, connect rear end
of front cable last. Ensure that there is no twist
in cable.