TM 9-2320-273-20
BRAKE SYSTEM.
9-38. PUSHER AXLE BRAKE AIR CHAMBER MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
4. Two nuts (16) and
washers (17).
5. Push rod (9).
6. Assembled housings
(4) and (11).
7. Two nuts (8).
8. Clamp ring (6).
9. Diaphragm (5).
10. Clamp ring (6).
11. Push rod (9).
12. Housing (11) with
assembled air chamber.
13. Slack adjuster (15) and
yoke (12) on push rod (9).
Unscrew and remove housing
(11) with assembled air cham-
ber (1) from mounting bracket
on vehicle.
a. Wrap with tape.
b. Apply suitable pressure
with vice grips to retain
spring (10) in position.
Using marker pencil, draw a
line from one end to the
other.
Unscrew and remove clamp
bolts (7).
Pull apart and separate hous-
ings (4) and (11) for access
to diaphragm (5).
Position between housings
(4) and (11).
Position over housings joint
and secure with two clamp
bolts (7), and nuts (8).
a. Remove vise grips.
b. Remove tape.
Position housing studs thru
vehicle mounting bracket and
secure with two washers (17)
and nuts (16).
Aline holes, slide pin (14) in
position and secure with new
cotter key (13).
Clamp vise grips onto rod close
to housing (11).
You will use this line to
aline parts during reassembly.
Replace diaphragm if neces-
sary.
Use the line you drew in step
6 to aline housings.
9-172
