Baoli CPDS15, Operation & Service Manual

Page: 32 / 87

27
2.1.6 Operation of brake system
After assembling and debugging the traveling brake and parking brake, press the
brake pedal, the normal traveling brake will be came out. Put the parking brake lever on the
left side of meter bracket, the brake cable and the disk brake unit in the drive unit is
engaged. Pull down the parking brake lever, then the parking brake can be come out.
2.2 Maintenance and adjustment of brake system
2.2.1 Inspection and maintenance of brake system
a) Parking brake performance (Daily inspection)
Check if the parking brake is performed correctly, and then check if the inching switch
can cut off the circuit when pulling down the parking brake lever.
NOTE: After working for 3000 hours, confirm that the brake stroke of the piston
is not over 3.8mm, if not, replace the brake disk.
b) Traveling brake performance (Daily inspection)
Check if the brake fluid in oil is enough and if the brake pedal can return to the original
position by the spring.
c) Brake fluid leakage inspection
Press the brake pedal, if not brake well, check the assembly and tightness
performance of traveling brake system. Mark on the brake oil port to check for the leakage.
d) Inspection of master cylinder
If traveling brake not well, firstly check if there is air in the master cylinder. If there is air,
exhaust it. Then check the cup in the master cylinder for damage, if damaged, replace it
with a new one.
e) Inspection of brake cable
If the two wheels can’t be locked completely at the same time after pull
ing down the
hand brake, check the brake cable for abnormally running, for block performance, for
unsuitable cable clearance and for wrong lever turning angle. You can adjust the adjusting
bolts in the two ends if the angle is improper or there is bigger idle stroke of the lever.
2.2.2 Adjust the brake pedal
a) Shorten the push rod.
b) Adjust the brake pedal to the proper height with stopper bolt.
c) With the brake pedal pressed by the idle stroke, pull the rod out until its front end