54
54
When you turn the adjuster clockwise, the f
When you turn the adjuster clockwise, the force increases, otherwise, when you turn
orce increases, otherwise, when you turn
the adjuster counterclockwise, the force
the adjuster counterclockwise, the force decreases.
decreases.
Press force: 50kg
Press force: 50kg
Operating method: Turn off the key, press the parking brake pedal with
Operating method: Turn off the key, press the parking brake pedal with left foot, until
left foot, until
hearing a sound, then release it. When release the parking brake, pull the blue lever
hearing a sound, then release it. When release the parking brake, pull the blue lever
(release switch) under the combination lamp to the release position, then the parking
(release switch) under the combination lamp to the release position, then the parking
brake can be released.
brake can be released.
The structure of parking brake refers to Fig4.4.
The structure of parking brake refers to Fig4.4.
Fig4.4 Parking brake
Fig4.4 Parking brake
4.5 Inspection of wheel brake
4.5 Inspection of wheel brake
Inspect all parts to make sure if there’re any worn or damaged parts. If necessary,
Inspect all parts to make sure if there’re any worn or damaged parts. If necessary,
repair or replace with new one.
repair or replace with new one.
(1
(1
) Check the operating cylinder body’s inner surface and the piston periphery
) Check the operating cylinder body’s inner surface and the piston periphery
surface for rusting. Then, measure the clearance between the piston and cylinder body:
surface for rusting. Then, measure the clearance between the piston and cylinder body:
Spe
Specified clearance: 0.03 to
cified clearance: 0.03 to 0.10 mm
0.10 mm
Maximum clearance: 0.15mm
Maximum clearance: 0.15mm
(2) Visually check the piston cup of the operating cylinder for damage or deformation.
(2) Visually check the piston cup of the operating cylinder for damage or deformation.
If necessary
If necessary, replace
, replace it.
it.
(3) Check the operating cylinder spring for f
(3) Check the operating cylinder spring for free length. If necessary
ree length. If necessary, replace it.
, replace it.
(4) Check the friction
(4) Check the friction piece for thickness to
piece for thickness to see if it
see if it is excessively worn. If necessary,
is excessively worn. If necessary,
replace it.
replace it.
Unit: mm
Unit: mm
2,2.5t
3t,3.5t
2,2.5t
3t,3.5t
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