Yingang YG125-30B, Руководство пользователя

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YG125-30B Maintenance Manual Front wheel, front overhang and steering stem
114
For the damage form, fault symptom and repair method of front brake
Item Damage form Trouble symptom of
component Trouble symptom of
motorcycle Repair method
Front brake
main
pump
assembly
brake 1iquid is
insufficient brake liquid is
insufficient
brake lose effect fill DOT4 to upper limit mark
dirty brake liquid brake lose effect Replace the brake fluid
surface of wall is
damaged
brake lose effect
wall is over worn brake lose effect replace main pump
oil case is cracked oil leakage brake lose effect replace main pump
piston surface is
cracked
brake lose effect replace main pump piston
piston is damaged brake lose effect replace main pump piston
Front brake
caliper
air entry into oil pipe brake lose effect exhaust front brake oil way
oil pipe is broken
oil leakage from oil
pipe
brake lose effect replace oil pipe
front brake oil pipe is
clogged
oil pipe is clogged brake lose effect clean or replace oil pipe
wall is broken or cocked brake lose effect replace front brake caliper
wall is over worn brake lose effect replace front brake caliper
front brake caliper is
broken
oil leakage from front
brake caliper
lose effect replace front break caliper
seal ring is broken or
worn
oil leakage lose effect replace front break caliper
friction plate is over
worn
lose effect
replace friction plate
completely
surface of piston is
damaged or worn abnormal sound or
lose effect
replace brake caliper piston
guide pin is clipped
front break lose effect
or spring cannot be
returned
clean or lubricate guide pin
Front brake
disc
over worn(1ess than
limit value3mm)
front brake lose effect replace front brake disc
distorted
abnormal sound or
lose effect
replace front brake disc