KTM 300 EXC, Repair Manual

Page: 113 / 289

16 BRAKE SYSTEM
111
201494-10
–
Open shut-off valve
4
.
Info
Follow the operating instructions of the bleeding device.
–
Ensure that the filling pressure is correctly set at pressure gauge
A
. If necessary,
adjust the filling pressure at pressure regulator
B
.
Guideline
Filling pressure 2… 2.5 bar (29… 36 psi)
201599-10
–
Pull off protection cap
5
of the brake caliper bleeder screw. Connect the hose of
the bleeder bottle.
Bleeding device (00029013100) ( p. 272)
–
Open bleeder screw
6
by approx. one half turn.
Info
Bleed until fresh brake fluid emerges from the bleeder bottle hose without
bubbles.
–
Tighten the bleeder screw.
–
Close shut-off valve
4
.
–
Open the bleeder screw again until brake fluid stops emerging.
Info
This prevents overfilling of the brake fluid reservoir.
–
Tighten the bleeder screw. Remove the hose of the bleeder bottle. Mount the pro-
tection cap.
–
Disconnect the bleeding device. Remove the bleeder cover.
309386-10
–
Add brake fluid to level
C
.
Guideline
Level
C
5 mm (0.2 in)
Brake fluid DOT 4 / DOT 5.1 ( p. 268)
–
Position the cover with the membrane. Mount and tighten the screws.
Info
Clean up overflowed or spilt brake fluid immediately with water.
–
Check the hand brake lever for a firm pressure point.
16.9 Checking the rear brake linings
Warning
Danger of accidents Reduced braking efficiency caused by worn brake linings.
–
Change worn brake linings immediately.
101381-10
–
Check the brake linings for minimum thickness
A
.
Minimum thickness
A
≥
1 mm (
≥
0.04 in)
» If the minimum thickness is less than specified:
–
Change the brake linings of the rear brake. ( p. 112)
–
Check the brake linings for damage and cracking.
» If damage or cracking is visible:
–
Change the brake linings of the rear brake. ( p. 112)