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Caution:
●This inspection should be completed by a qualified
maintenance organization.
●Regularly check whether the brake fluid level is at 3/4
of the observation window.
●If you accidentally swallow the brake fluid, you should
contact the poison control center or hospital
immediately; if you accidentally get the brake fluid into
your eyes, rinse with water and seek medical attention
immediately.
●Brake fluid must be kept away from children and pets.
●It is strictly forbidden to directly flush the main pump
with high-pressure water.
1. Check the brake components
a. Check whether the liquid level of the front disc
brake main pump and the rear disc brake main pump
are above the "LOWER" line. Check whether there is
brake fluid leakage at the oil pipe joints. Observe the
color of the brake fluid. Normally, it should be light
yellow. If the color becomes dark, it is recommended to
replace the brake fluid.
b. Park the vehicle on a flat ground or a lifting
platform, and lower the main support. Check whether
there is brake fluid leakage at the oil pipe joints of the
main pump, ABS hydraulic control unit and caliper. The
endoscope with LED can be used to check the oil pipe
joints of the ABS hydraulic control unit and the main
pump, or to remove the corresponding cover for
inspection.
c. Measure the thickness of the front and rear brake
discs. If it is less than 4.0mm (0.16 in), replace it. Hang
the front wheel in the air and turn the front wheel by
hand to observe whether there are obvious damages on
the surface, such as pits, deep scratches, grooves, etc.
Replace it if necessary. Feel with your hands whether
there is a noticeable sound of grinding the brake disc
when turning the front wheel. Observe from the front
whether the brake disc swings when turning the front
wheel; if there is any swing, please remove it according
to the steps of dismantling the brake disc, and place it
on a standard platform, use a dial indicator to measure
the run out or use a feeler gauge to check the brake disc
and The gap of the standard platform; such as> 0.08mm
(0.003 in), you need to replace the new brake disc.
Check the rear brake disc in the same way.
●Before checking the brake disc operation, be sure to
wait for the brake disc to cool down before proceeding.
●It is forbidden to reduce the temperature of the brake
disc by spraying water, which may cause deformation of
the brake disc and abnormal noise.
●If the brake disc anti-theft lock is used, please confirm
whether it has been removed before driving the vehicle.
●Clean up the silt attached to the brake discs diligently.
d.Use 5# inner hexagon to remove bolt ⑴. Remove
bolt ⑵ with a 14# sleeve. Standard torque of bolt ⑵:
24N.m (2.4 kgf.m, 18 lbf.ft). Do not operate the brake
handle after removing the caliper.
e. Pull out the front brake caliper assembly and check
the wear of the brake pads. If worn or nearly worn to the
limit position, new brake pads must be replaced in pairs.
f. Take out the wheel speed sensor ① from the wire
clamp ②. Remove bolt ⑵ with a 14# sleeve. Standard
torque of bolt ⑵: 24N.m (2.4 kgf.m, 18 lbf.ft). Do not
operate the brake handle after removing the caliper.
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