KEEWAY FACT 50 4T User Manual

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Diagnosis on malfunction of hydraulic disc brake
Diagnosis on malfunction of drum brake
Malfunction of hydraulic
disc brake
Check the level of brake fluid inside the
brake fluid reservoir.
The level of brake fluid is below the
lower limit of the reservoir.
The level of brake fluid is beyond the
lower limit of the reservoir.
Add brake fluid until
it is beyond the lower
limit; check whether
there is oil leakage in
b
rake caliper, brake
hose and hose joints.
Do you have "sponge" feeling
when operating brake lever?
There is air left in
the oil passage of
brake system.
Check whether the abrasion of brake friction
p
late reaches limit mark and whether the
brake disc is excessively abraded.
Replace brake friction plate
and brake disc.
1. Check whether the piston surface of master brake pump and the wall of oil tank
are excessively abraded or damaged.
2. Check whether the piston cup of master brake pump is damaged, cracked or aged.
3. Check whether the seal of brake caliper is damaged, cracked or aged.
4. Check whether the piston surface of brake caliper and the wall of oil tank are
excessively abraded or damaged.
Malfunction of drum
brake
Check whether the free stroke of brake lever is within
10mm ~ 20mm or whether the free stroke of brake pedal is
within 20mm ~ 30mm.
Readjustment
Separate the brake arm and the steel wire rope of brake control cable; check
the brake arm with hands.
The brake arm works
flexibly but you can
feel resistance when
griping the lever.
The brake
arm works
inflexibly.
The indication arrow on the
b
rake cam points to or beyond
the sign “
▽
” on the brake hub
cover.
The indication arrow on the brake cam
does not align with the sign “
▽
” on the
brake hub cover.
The steel wire rope
of brake control
cable is inflexible
when pulling.
1. Check whether the curved surface of
brake cam is excessively abraded.
2. Check whether the friction plate of brake
shoe is excessively abraded.
3. Check whether the inner diameter of
brake hub is excessively abraded.
The moving
p
art of brake
cam is rusty or
b
locked by
something.
1. Check whether the friction surface of
brake shoe is spotted with oil stain.
2. Check whether the contact surface
area of the friction plate of brake shoe
and the brake hub is less than 70%.

KEEWAY FACT 50 4T Specifications

General

Brand	KEEWAY
Model	FACT 50 4T
Category	Motorcycle
Language	English