Pontiac FIREBIRD 1972 Service Manual page 319

REAR SUSPENSION
1.
Regulator Assy
.
15.
Nut, Thru Bolt Reservoir
2.
Adapter Assy. 16.
Thru Bolt, Compressor
3.
Adapter Retaining
4 .
Valve Core
17.
Nut, Thru Bolt Compressor
5.
0-Ring
18.
Compressor Assy.
6.
Cap
19.
Housing, 2nd Stage
7.
Adapter Assy.
20.
Check Valve
8.
0-Ring
21.
Spring
9.
Boot
22.
Expansion Plug Retainer
10.
Screw, Regulator Retaining
23.
Housing, 1st Stage
1 1.
0-Ring, Regulator to
24.
Arm, Swivel
Compressor
25.
Bushing
12.
Reservoir
26.
Arm, Rocker
13.
0-Ring, Reservoir to 27.
Pin, Rocker Arm Ret.
Compressor
28.
Intake Valve
14.
Thru Bolt, Reservoir
29.
Washer
Retaining 30.
Spring, Intake Valve Ret.
31.
Pin, Bushing Retaining
32.
Piston Assy.
33.
Plate, Diaphragm
34.
Diaphragm
35.
Washer
(.760-.765
I .D.)
36.
Retainer, Diaphragm
37.
Check Valve
38.
Spring
39.
Expansion Plug Retainer
40.
0-Ring
(.357-.367
I .D.)
41.
Seal
(.569-,571)
42.
0-Ring
(.732-.742 I
.D
.)
43.
Seal
(.943-,945)
44.
Piston
45.
Distributor Valve
46.
Bushing, Distributor Valve
47.
Washer
(.160-.I63
I.D.)
48.
Arm Assy., Distributor
49.
Screw
50.
Spring, Valve Tension
51.
Bushing, Distributor Valve
Stop
52.
Bushing, Arm Assy. Stop
53.
Arm Actuating
54.
Spring, Arm Tension
55.
Screw, Arm Pivot
56.
Cover
57.
Gasket
58.
Screw, Cover Retaining
59.
Gasket, Cover
60.
Mount, Flexible
61.
Adapter
62.
Tube Fitting
63.
Filter
Fig. 4-39 Exploded View of Compressor
PISTON--DIAPHRAGM ASSEMBLY
3. Remove and discard piston seals and "0" rings from
piston.
DISASSEMBLE
CAUTION: Be careful not to damage piston.
1. Remove diaphragm retainer with diagonal pliers and
discard retainer (Fig. 4-40).
4. Remove check valve in second stage end of piston by
inserting a suitable punch or piece of 3/32" welding
2.
Remove diaphragm plate, diaphragm, second dia-
rod through air passage from first stage end and tap-
phragm plate and corprene washer can be discarded.
ing.