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Remove the front wheel axis, and dismantle the front wheel。
Remove the brake plate from front wheel.
5.3.2 Check
Check whether the friction piece of front fluid brake is worn,
Replace the shoe when necessary.
Measure the thickness of friction piece of front fluid brake,
Measure the front brake disc and write down the maximum value
Specification:
QJ50QT-22D Dia. O front brake plate φ220mm
Thickness of front brake plate 4.0mm
Thickness of friction piece of front fluid brake 4.0mm
*Note
• Use inside micrometer or caliper only to measure.
Measure the thickness of friction piece of front fluid brake
If the thickness of the brake disc and friction piece is smaller
than the maintenance value or polluted by oil, they should be
replaced.
Available limits
Friction piece of front liquid brake 3.0mm
Front brake plate 3.0mm
Note:
The friction piece of front liquid brake shall be replaced in
pair.
The brake plate can be measured on the motorcycle without being dismantled.
5.3.3 Installation
Install the front brake plate and front wheel components.
Install the friction piece of front liquid brake.
Install the tube assembly and brake cylinder assembly of front brake.
Install the oil pump component and switch component.
The friction piece of front liquid brake and brake plate shall not be polluted by oil stains.
*Note
Any oil stains in the friction piece of front liquid brake may
reduce the performance of brake
Tighten the nuts and bolts according to their torque force
value.
Torque value: