Subaru XT 1988 Service Manual page 85

1-5
PERIODIC MAINTENANCE SERVICES
(4) If there is no free play between clevis pin and clevis,
loosen lock nut for operating rod and adjust operating
rod by turning in the direction that shortens it.
a. Make sure that the stop lamp operates normally.
b. After adjustment, make sure there is no brake dragging.
2)
Adjust lining clearances of rear drum brake as follows.
[FWD only]
(1) Jack up vehicle to release tires and wheels slightly
from the ground.
(2) Tighten adjusting screw on back side of rear brake
drum fully until tire and wheel ceases to rotate.
(3) Turn back adjusting screw by
180
0
and lining
clearance will be 0.1 to 0.15 mm (0.004 to 0.0059 in).
(4) Be sure to rotate tire and wheel I ightly by hand.
(5) Adjust lining clearance of another side rear brake
with the same manner.
Fig. 47
3)
Measure the distance between brake pedal and floor when
the pedal is depressed with a force of approximately 294 N
(30 kg, 66 Ib).
Brake pedal reserve distance:
More than 120 mm (4.72 in)/294 N (30 kg, 66 Ib)
Toe
board
Unit: mm (in)
Fig. 48
211 (8.31)
Pedal play
0.5 - 2.5
(0.020 - 0.098)
L4-934
26
4)
Check to see if air is in the hydraulic brake line by the
feel of the pedal operation. If air appears to exist in the line,
bleed it from the system.
5) Check for even operation of all brakes, using a brake
tester or by driving the vehicle for a short distance on a
straight road.
[B] Parking Brake
1) After confirming the proper operation of brake pedal,
pull parking brake lever with a force of approximately 245 N
(25 kg, 55 Ib) to make sure lever still has a short length of
stroke to go.
Parking brake lever stroke:
Standard:
3 - 4 notches/245 N (25 kg, 55 Ib)
Torque (Adjuster lock nut):
4.4 - 7.4 N·m (0.45 - 0.75 kg·m, 3.3 - 5.4 ft·lbl
2) If the parking brake lever pull is not within the above
specifications, adjust it as follows:
(1)
Pull parking brake lever forcibly three to five times.
(2)
Loosen the lock nut and change the setting of
adjuster until the play at point A is
a
to
0.5
mm
(0
to
0.020
in).
Fig. 49
(3) Make sure that vehicle stops on uphill road properly
by operating parking lever.
[C] Brake Servo System
1) With the engine off, depress the brake pedal several times
applying the same pedal force: Make sure the travel distance
should not change.
2) With the brake pedal depressed, start the engine: Make
sure the pedal should move slightly toward the floor.
3) With the brake pedal depressed, stop the engine and keep
the pedal depressed for 30 seconds: Make sure the pedal height
should not change.