Periodic Maintenance and Adjustment 8-53
Table 2：Solution of Common Problems in Brake System.
S/N Problems Solutions
1. Check if the handle of parking brake return to its position.
2. Check if the brake discs are deformed.
1
Brake system is locked
up.
3. Check if the calipers' hydraulic cylinders are stuck or the
fixing parts of calipers are deformed.
1. Check if the brake discs are over-worn.
2. Check if the brake blocks in calipers are over-worn, or
contaminated by stuffs that can reduce friction.
3. Check if there is any leakage in brake system's oil lines or
conjunctions.
4. Check if the post rod in brake master cylinder is deformed.
5. Check if there is any air going into the oil lines, and drain
the air with special equipment.
2
Brake performance is
diminished.
6. Check if the remaining oil in master cylinders of front and
rear brake is still above the lowest level.
1. Check if the brake discs are deformed.
3
Front or rear brake
system makes affricate
noise, or the brake discs
go
2. Check if the calipers' hydraulic cylinders are stuck or the
fixing parts of calipers are deformed.
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