2 -
14
MAINTENANCE
Check Cylinder
【
A
】
Hand brake cylinder
【
B
】
Piston
【
C
】
Seal ring
【
D
】
Seal ring
【
E
】
Dust cover
【
F
】
Compensating hole
【
G
】
Oiling hose
【
H
】
Piston reset spring
◆
Disassemble hand brake pump
◆
Check if any scratch, rust or hard spots, inside and
outside surfaces of hand brake cylinder
【
A
】
and
piston
【
B
】
. If any damage of hand brake cylinder
or piston, please replace them.
◆
Check first seal ring
【
C
】
and second seal ring
【
D
】
. If any wearing, damage, deformation
(
rot
)
or swelling, replace piston components to refresh
seal ring. If any fluid leakage is found in the push
rod, the seal ring in the piston need to be replaced.
◆
Check dust cover
【
E
】
if any for blockage.
◆
Check compensating hole
【
F
】
and oiling hole
【
G
】
for blockage. If oiling hole
【
G
】
is blocked,
brake disc will be dragged in the brake pad to make
it clamped too tightly. If so, clear the blockage.
◆
Check piston reset spring
【
H
】
if any damage then
replace it.