Yamaha YP250 Mobility Scooter User Manual


 
3-28
BRAKE PAD INSPECTION/
AIR BLEEDING (HYDRAULIC BRAKE SYSTEM)
INSP
ADJ
*****************************************************
YP304030
BRAKE PAD INSPECTION
1. Operate the brake lever.
2. Inspect:
D Brake pad (front)
Wear indicators
1
almost touch the
brake disc ! Replace the brake pads as
a set.
Refer to “FRONT AND REAR BRAKE” in
CHAPTER 7.
YP304070
AIR BLEEDING
(HYDRAULIC BRAKE SYSTEM)
Bleed the brake system whenever:
D The system is disassembled
D A brake hose is loosened or removed
D The brake fluid level is very low
D Brake operation is faulty
Loss of braking performance may occur if
the brake system is not properly bled.
1. Bleed:
D Brake system
Air bleeding steps:
a. Fill the reservoir with the proper brake fluid.
b. Install the diaphragm. Be careful not to spill
any fluid or allow the reservoir to overflow.
c. Connect a clear plastic hose
1
tightly to the
caliper bleed screw
2
.
d. Place the other end of the hose into a con-
tainer.
e. Slowly apply the brake lever several times.
f. Pull the lever in. Hold the lever in position.
g. Loosen the bleed screw and allow the lever
to travel towards its limit.
h. Tighten the bleed screw when the lever limit
has been reached, then release the lever.
i. Repeat steps (e) to (h) until all air bubbles
have disappeared from the brake fluid.