TM 5-3810-294-34
1. Pipe plug
15.
Roller spring
2. Pressure plate
16.
Lock cap
3. Diaphragm
17.
Boot
4. Push plate and shaft assembly
18.
Retaining ring
5. Nut (2)
19.
Splash guard
6. Clamping ring
20.
T-bolt (2)
7. Screw (2)
21.
Lockwasher 12)
8. Pipe plug
22.
Nut (2)
9. Spring
23.
Push rod
10. No)n-pressure plate
24.
Lock nut
11. Piston grommet
25.
Yoke
12. Piston
26.
Yoke pin
13. Collar assembly
27.
Cotter pin
14. Spring seat washer
Figure 18-3. Rear chamber, exploded view.
ring loose. If the ring is to be reused, caution should
18-6. Rear Brake Chambers
be taken against bending it out of shape.
a. Removal. Remove the rear brake chambers
(4) Remove diaphragm (3) from pressure
(refer to TM 5-3810-294-20).
plate (2).
(5) Connect an air supply line to the locking
disassemble the rear brake chambers as follows:
port on non-pressure plate (10). Place push plate
ill Clean the exterior of the brake chamber
and shaft assembly (4) against a work bench. With
and match mark it in such a way so it can be
one hand, press down on non-pressure plate (10)
reassembled in the same manner.
and at the same time apply air to the locking port.
(2) Remove yoke (25), lock nut (24), boot
As the shaft is unlocked, slowly release the non-
(17) and splash guard (19).
pressure plate and remove the push plate and shaft
(3) Remove nuts (5) and bolts (7). Spread
assembly with push rod (23) and return spring (9).
clamping ring (6) just enough to remove pressure
(6) Hold lock cap (16) against roller spring
plate 12) and non-pressure plate (10). It may be
(15), and remove the capscrews holding the lock
necessary to use a soft mallet to break the clamping
18-6