BRAKES-AIR
TRUCK SERVICE MANUAL
Fig. 3 Exploded View of Rear Brake Group
(Double Anchors)
Fig. 4 Exploded View of Rear Brake Group
Legend for Fig. 3
(Single Anchor)
1
RING, camshaft lock
Legend for Fig. 4
2
WASHER, adjuster spacing
1
WASHER, adjuster spacer
3
ADJUSTER, slack, assy
2
ADJUSTER, slack, assy
4
CHAMBER, brake, assy
3
BUSHING, camshaft bracket
5
RETAINER, camshaft felt seal
4
CHAMBER, brake, assy
6
WASHER, felt seal
5
YOKE, brake chamber
7
BRACKET, camshaft
6
PIN, yoke
GASKET, bracket oil seal
7
BRACKET, w/BUSHINGS
8
SHIELD, dust (upper)
8
SHIELD, brake dust (upper)
9
SPIDER, w/BUSHING AND SEAL
9
NOT USED
10
RETAINER, anchor pin
10
SPIDER, brake
11
RETAINER, anchor pin felt seal
11
LINING
12
SEAL, anchor pin felt
RIVETS, brake lining (40)
13
LINING, brake
12
SHOE w/LINING, brake
14
SHOE, w/LINING
13
PIN, shoe anchor
15
PIN, shoe anchor
14
RETAINER, anchor pin
16
SPRING, shoe return
15
SPRING, shoe return
PIN, shoe return spring
16
SPRING, shoe anchor end
17
RETAINER, roller
17
SHOE, w/LINING, brake
18
SHOE, w/LINING
18
PIN, brake shoe roller
19
ROLLER, brake shoe
19
ROLLER, brake shoe
20
CAMSHAFT, brake
20
CAMSHAFT, brake
21
WASHER, camshaft spacing
PIN, cotter
22
SEAL, felt
21
RETAINER, camshaft cork seal
23
BUSHING, spider and bracket
22
SEAL, cork
24
SHIELD, dust (lower)
23
SHIELD, brake dust (lower)
25
LUBRICATOR, camshaft
24
LUBRICATOR, camshaft
26
PIN, brake chamber yoke
PIN, cotter
27
YOKE, brake chamber
Lubricate brake shoe anchor pins and cams as
outlined in "Lubrication".
BRAKE ADJUSTMENT
Every month or every 2000 miles the brake
should be adjusted. Push rod travel should be kept at a
minimum without brakes dragging.
If brake lining is satisfactory, adjust the brakes
as follows, making the brake adjustment at one wheel at
a time and with all brake drums in place and all slack
adjusters connected to the chambers temporarily.
1. With wheels raised and parking brake released so
the wheels will rotate freely, check each brake
chamber push rod to make
Fig. 5 Brake Shoe Grinder Installed on Axle
186
