Great Wall Florid. Manual — part 32

GWFLORID Maintenance Manual

126

6. Remove the return spring and ratchet adjuster assem-

bly.

(a) Remove the adjusting clearance shaft head.

(b) Remove the adjusting clearance wheel.

(c) Remove the return spring.

7. Remove the parking brake lever.

(a) Remove the split ring with pliers.

(b) Remove the brake lever rotating shaft.

(c) Remove the brake lever.

Caution: If it is the riveted structure, there is no need to

remove the parking brake lever, instead of replace the

brake trailing shoe assembly.

8. Remove the brake wheel cylinder.

(a) Remove the brake line with a M10 open-end wrench,

and use a clean plug to clog it.

(b) Use a M8 open-end wrench to remove the two bolts, thus

removing the wheel cylinder assembly.

9. Remove the following parts from the wheel cylinder as-

sembly.

(a) Two dust covers.

(b) Two pistons.

(c) One piston spring.

(d) Bleed screw.

(e) Bleed screw cap.

Brake components inspection
and maintenance

1. Inspect the components after disassembly.

After disassembling the components, check them for wear

and tear, rust, and damage.

2. Measure the rear brake drum's internal diameter.

Standard internal diameter: Ф200 mm

Maximum internal diameter: Ф201 mm

127

Brake System

3. Measure friction plate thickness.

Standard thickness: 4.0 mm

Minimum thickness: 1.0 mm

If the friction plate thickness is smaller than the minimum

value or produces uneven wear and tear, the brake leading

and trailing shoe assemblies should be replaced.

Remark: If one of the brake shoe assembly needs to be

replaced, be sure to replace all the rear brake leading and

trailing shoe assemblies to ensure even braking ability.

4. Check to make sure the contacts of the friction plate

and rear brake drum are fine.

If the contacts of the friction plate and rear brake drum is not

good, the brake leading and trailing shoe assemblies should

be replaced.

GWFLORID Maintenance Manual

128

Rear Brake Installation

1. Install the brake wheel cylinder.

(a) Apply a small amount of lithium grease onto two piston

assemblies.

(b) Install the wheel cylinder assembly.

• Install two dust covers onto the two piston assemblies.

• Install a piston spring and two piston components in the

wheel cylinder body.

Remark: Refer to the diagram for precise installation

directions.

2. Install the wheel cylinder assembly.

(a) Use two bolts to install the wheel cylinder assembly

onto the brake back plate assembly.

Tightening torque: 7.8-11.8 N·m

(b) Connect the brake line to the wheel cylinder assembly.

Tightening torque: 16 N·m

3. Apply an appropriate amount of grease to the following

parts.

(a) Apply a small amount of high temperature resistant

grease on the brake back plate assembly and the brake

shoe connection's six convex plate surface.

Caution: Refer to the diagram for installation directions.

Foreward

Foreward

Left wheel

Right wheel

129

Brake System

(b) Apply a small amount of lithium grease on the brake

leading shoe assembly and brake trailing shoe assembly

(refer to the arrows in the diagram for indicated areas).

Remark: Do not contaminate the friction plate.

(c) Insert the return spring into the adjusting clearance

screw rod and apply an appropriate amount of lithium

grease on the adjusting clearance wheel's thread and

screw, adjusting clearance screw rod's shaft head,

and adjusting clearance shaft's shaft head (refer to the

arrows in the diagram for locations).

4. Install the brake lever on the brake trailing shoe as-

sembly.

(a) Install the parking brake lever and insert the lever rotat-

ing shaft.

(b) Use pliers to install a new split ring in the lever rotating

shaft.

5. Install the return spring and ratchet adjuster assembly

on the brake leading shoe assembly and brake trailing

shoe with brake lever assembly.

Hang one side of the return spring on the brake leading shoe

assembly, and use pliers to hang the other side of the return

spring on the brake trailing shoe with brake lever assembly.

6. Install the adjusting paddle on the brake leading shoe

assembly.

(a) Install the adjusting paddle on the brake leading shoe

assembly.

(b) Use needle nose pliers to install the brake shoe tension

spring on the adjusting paddle and brake leading shoe

assembly.