Yamaha BWS CW50L Service Manual download pdf (Page 27)

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BRAKE FLUID LEVEL INSPECTION -A_ R_ B =13 AIR BLEEDING (HYDRAULIC BRAKE SYSTEM) A-_

I .RAKES.OE,NSPECT.ON A,R=EEO..O

// 1. pp,ytherearbra e,ever. (.YD OL,C

SYSTEM)

1. Bleed:

2. Inspect: • Brake fluid.

• Wear indicator O _=:_="_::_`"_`_`"_`"_"_-`_"_"_"_=_=_=_=_=_=_:_

Indicator reaches the wear limit line (_) .-, Air bleeding steps:

Replace brake shoes, a. Add proper brake fluid into the reservoir.

b. Install the diaphragm. Be careful not to spill

any fluid or allow the reservoir to overflow.

c. Connect a clear plastic tube O tightly to the

/ /// //_ ' caliper bleed screw.

BRAKE FLUID LEVEL INSPECTION _ _I\

NOTE: / , , \ d. Place the other end of the tube into a con-

I_ tainer.

Position the scooter straight upwhen inspecting _ e. Slowly apply the brake lever several times.

the fluid level, and make sure be turning the O f. Pull the lever as far as possible and hold it

handlebar that the top of the master cylinder is there.

horizontal, g. Loosen the bleed screw and pull the lever all

the way.

\ "_ -_ _ 3,6co_ h. When the lever is completely pulled, tighten

the bleed screw, then release the lever.

J [_ _ 1. Inspect: i. Repeat steps (e) to (h) until allair bubbles have

• Brake fluid level been removed from the system.

Brake fluid level is under"LOWER" level line j. Add brake fluid to proper level.

(D "-* Fill to proper level.

b/j_._ _/ _ i,_l Recommendedbrakeflu,d: I Check the operation of the brake after

R __ DOT # 3 or DOT # 4 bleeding the brake system.

******************************************************

CAU_ioNi

The brake fluid may corrode painted surfaces

or plastic parts. Always clean up spilled fluid

immediately.

_lvAvL,l ;I _11_[rll

• Use only the designated quality fluid.

Otherwise, the rubber seals may deteriorate

causing leakage and poor brake performance.

• Refill with the same type of fluid. Mixing

fluids may result in a harmful chemical re-

action leading to poor brake performance.

• Be careful that water does no enter the

master cylinder when refilling. Water will sig-

niflcantly lower the boiling point of the fluid

and may result in vapor lock.

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Yamaha BWS CW50L Service Manual Page 27

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