Ⅲ. Front Shock Absorber Service - Baotian BT50QT-9 Service Manual

Remove brake light switch and brake lever.
Remove retaining ring from main cylinder.
Use special retaining ring remover when
removing retaining ring.
Remove piston cover, piston and spring.
Clean oil reservoir and piston with pure
brake oil.
Do not effect cleaning with gasoline as it
is corrosive to rubber parts.
Inspection
Inspect for wear or ageing of main and auxiliary cups on pistons.
Inspect for scratches and other damages on main cylinder and piston.
Measure main cylinder bore.
Measure outside diameter of piston at the end of auxiliary cup.
Mounting
Apply pure brake oil to piston, main cup and auxiliary cup.
Mount spring, piston, retaining ring and piston cap.
Piston cup cannot be used inside out.
Apply grease to brake lever axis pin.
Mount brake lever and brake switch.
Mount main cylinder, main cylinder bracket and lock them.
Mount brake oil pipe.
Connect brake light switch cable with switch.
Mount head cover front part and rear part.
Replenish brake oil and exhaust air in brake system.
III. FRONT SHOCK ABSORBER SERVICE
Dismounting
Remove fender mounting bolt and front fender.
Remove front wheel.
front fender
21
bolt
front shock absorber