5-12 BRAKES
ON-VEHICLE SERVICE
BRAKE PEDAL FREE HEIGHT ADJUSTMENT
1) Check brake pedal free height.
2) If it is not within specification proceed to adjust the lung fork
length.
Free height "A" of brake pedal: ~ 105 mm
Fork length adjustment
3) Remove nuts (2) fixing master cylinder (1) and take away
master cylinder assembly and fluid tank.
A
4) Disconnect vacuum tub (3) from connection to lung (4).
5) Remove the rubber cap of brake pedal support and disconnect
fork (5) from connection to pedal.
6) Withdraw lung (4) dismantling nuts (6) fixing to pedal support.
7) Check distance (B) of the fork length which must be within
the specified values.
Fork adjustment length (B): 147,5
±0,5
mm
8) Adjust length acting on the fork counter nut and fix position
with counter nut.
9) Reverse lung and master cylinder precedures noting the
specified tightening torques.
Tightening torque of nuts fixing lung to pedal support:
1 ÷ 1,6 Kg-m (10 ÷ 16 Nm)
Tightening torque of the nuts fixing of master cylinder
to lung:
1 ÷ 1,6 Kg-m (10 ÷ 16 Nm)
1
2
5
6
4
3
B