Great Wall Hover. Manual — part 74
Brake-17
3. Uplift the brake pump
a. Remove the location pin.
b. Uplift the brake pump and hang it with a rope to protect the brake
oil pipe.
Remarks: do not remove the brake oil pipe.
4. Remove the following components:
a. Two brake blocks
b. Two silencing plates
c. Two silencing plate combinations
d. One brake block bush wearing indication plate
e. Two brake block circlips
5. Measuring the depth of brake discs
(refer to the step 2 of measuring the components of rear brake)
6. Measuring the brake disc circular runout
(Refer to step 3 of measuring the components of rear brake)
7. Install the brake block Circlip
Brake-18
8. Install new brake block
a. Install a brake block bush wearing indication plate on the internal
brake block.
b. Install one silencing plate and one silencing plate combination on
each brake block.
Remarks: Coat the two sides of silencing plate with disc brake
oil (which cannot be replaced with oil of other models).
c. Install two brake blocks, make the wearing indication plate in the
lower position (near the tank cylinder).
Remarks: The working surface of the brake block and brake
disc are not allowed to be contaminated by grease and paint.
9. Install the sub pump
a. Unscrew the release screw, absorb some of the brake fluid.
b. Press the plunger with hammer beam or similar tools, and unscrew
the release screw at the same time.
Tightening force: 8
13N
m
Remarks: Only the brake block of one wheel can be replaced for
once, lest the plunger on the opposite side be bounced.
c. Install and tighten the location pin.
Tightening force: 25
30N
m
10. Install the rear wheel
Tightening force: 120N
m
11. Fill up with the brake fluid and drain the air in the brake
system after the completion of replacement.
Brake-19
Removal of brake pump
1.Remove the brake pipeline
Remove the brake pipeline. Use a container to contain the brake fluid.
2. Remove the pump form the bracket
a. Remove the location pin and guide pin.
b. Remove the tong.
3. Remove the brake block
a. Two pieces of brake block
b. Two pieces of silencing plate
c. Two pieces of silencing plate combination
d. One piece of brake block bush abrasion indicating plate
e. Two brake block circlips
Disassembly of brake pump
1. Remove the piston form the tong
a. Insert the cleaning cloth or other soft cloth into the place between
piston and tong.
b. Use the compressed air to remove the piston and cylinder hole
dustproof cover from the tong.
Warning: it must not place the finger in front of the piston when
use the compressed air.
2. Remove the piston gasket form the tong
Use the screwer to remove the piston gasket.
Brake-20
Check the components of rear brake
1. Measure the thickness of the brake block bush.
Standard thickness: 8.0mm
Minimum thickness: 2.0mm
It should replace the brake block if less than minimum thickness or
has uneven abrasion.
2. Measure the thickness of brake disc.
standard thickness: 18.0mm
minimum thickness: 16.0mm
It should repair or replacement brake disc if it is scratched or worn or
its thickness is less than minimum thickness.
3. Measure the circular runout of brake disc.
Remarks: It should ensure that the rear bearing is adjusted
correctly before the measurement.
Maximum circular runout : 0.11mm
4. Replace the brake disc if necessary.
a. Remove the bracket form the rear axle flange.
b. Remove the rear brake disc and install the new brake disc .
c. Install the bracket and tighten the fastening brake caliper bolt.
Tightening force: 100
5N
m
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