Body - Hummer H1 Service Manual

7-26 Brake System
Adjustment
1. Put transmission in PARK, chock wheels, and release
parking brake.
2. Remove six clips and spread boot to allow access to cotter
pin (Figure 7-30).
3. Remove cotter pin, washer, and clevis pin securing clevis
to bellcrank. Discard cotter pin.
4. Repeatedly apply and adjust parking brake hand lever
until bellcrank linear travel is 0.75 in. (19 mm).
BRAKE
0.75 in.
(19 mm)
CLIP
PARKING
BRAKE
ROD
Figure 7-30: Parking Brake Adjustment
CAUTION: Holes in parking brake clevis must align with
holes in adjusting bellcrank without force for proper parking
brake adjustment. Failure to do this may result in damage to
equipment and poor performance.
5. Release parking brake. Loosen nut and adjust clevis so
holes in clevis align with holes in bellcrank. Secure clevis
to bellcrank with clevis pin, washer, and cotter pin.
CAUTION: Do not overtighten parking brake rod. Overtight-
ening parking brake rod may result in dragging brakes.
6. If necessary, remove excess slack in parking brake cables
by turning the parking brake rod clockwise or
counterclockwise into the clevis.
CAUTION: Ensure that the caliper cable bracket is secure
with no signs of looseness and the lever is in contact with the
caliper cable bracket stop. Damage to equipment and poor
performance will result if not aligned properly.
_____________________________________________________________
BRAKE
BELLCRANK
BOOT
BELLCRANK
CLEVIS PIN
CLEVIS
NOTE: Perform step 7 on both sides of vehicle.
7. Parking brake rod is properly adjusted if lever is in contact
with caliper cable bracket stop (Figure 7-31).
8. Tighten nut against clevis.
9. Install six clips in boot (Figure 7-30)
10. Adjust parking brake lever.
Figure 7-31: Caliper Cable Bracket Stop
PARKING BRAKE HAND LEVER REPLACEMENT
Removal
1. Put transmission in PARK, chock wheels, and release
parking brake.
2. Remove parking brake switch.
3. Remove six clips and open lower boot to allow access to
clevis pin. Discard clips (Figure 7-32).
4. Remove cotter pin, washer, and clevis pin from clevis and
bellcrank. Discard cotter pin.
5. Remove nut and lockwasher assembly, wiring harness
clamp, nut and lockwasher assembly, and bolt securing
parking brake hand lever to body. Discard nut and
lockwasher assemblies (Figure 7-33).
6. Remove three locknuts, washers, and bolts securing
parking brake hand lever to body. Discard locknuts.
7. Remove two locknuts, washers, bolts, and washers
securing parking brake hand lever to body and remove
parking brake lever. Discard locknuts.
8. Remove upper boot from parking brake hand lever.
9. Remove boot from body.
CALIPER CABLE
BRACKET
CALIPER CABLE
BRACKET STOP
LEVER
®