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REAR SUSPENSION
30-27
TUBING
Remove
Tubing may be removed by simply unscrewing the nut.
C A UTI 0 N: Be sure system is deflated through
service valve before separating air lines. When
installing tubing at any fitting be careful not to
kink line.
Install
1. Preassemble metal sleeve and rubber seal.
2. Place nut on tubing.
3. Insert tube into metal sleeve and rubber seal until tube
buttoms.
4. Hold tube in bottom position and tighten the tube nut
to 70 lb. in. torque.
NOTE: Tubing may be reinstalled at its connections. If
tubing is cracked at end, it will be necessary to cut flush
and use a new metal sleeve and rubber seal to assemble
as described above. Be careful not to remove too much
or tubing may be kinked or broken at full suspension
travel. Care should be taken that proper routing is
followed in areas close to the exhaust system to prevent
burning the tubing. Note particularly the areas at rear
suspension crossmember.
COMPRESSOR, RESERVOIR AND
REGULATOR VALVE ASSEMBLY
Remove
1. Deflate system through service valve (Fig. 3D-35).
2. Disconnect high pressure line at pressure regulator
valve. Also disconnect vacuum line at compressor.
3. Remove bracket screws securing assembly to car (Fig.
3D-36) and withdraw assembly.
Install
1. Install assembly in bracket and tighten nuts to 20 lb.
in. torque.
2. Install assembly in car and tighten bracket attaching
screws to 70 lb. in. torque.
3. Connect high pressure line to regulator valve and
tighten fitting nut to 70 Ib. in. torque.
4. Install vacuum line to compressor.
5. Inflate system through service valve to maximum
available pressure.
NOTE: If available pressure is less than 140 psi, start
engine to build up reservoir to this pressure.
Disassemble
The compressor (Fig. 3D-35) is a precision-built
mechanism that should be carefully handled and assembled.
Care must be taken to prevent entrance of dirt or other
foreign matter.
CAUTION: This unit must not be lubricated as
it is designed to operate dry.
1. Remove compressor as outlined above.
2. Remove two adapters and flexible mounts on
compressor end of assembly.
3. Remove nuts from three reservoir retaining (long)
bolts. The bolts enter from reservoir flange side of unit.
4. Remove nuts from three compressor retaining (short)
bolts. These bolts enter from compressor side of unit.
CAUTION: DO NOTattempt to turn shor bolts
as they have a second nut hidden between reservoir
flange and second stage housing. Always remove
nuts from bolts while holding bolts stationary.
5. Spearate compressor assembly and reservoir. Discard
reservoir sealing "0" ring.
6. Remove cover retaining screw. Remove cover and
discard cover gasket.
7. Remove three compressor retaining (short) bolts that
hold first and second stage housings together.
8. Separate first and second stage housings by sliding
second stage housing straight off piston.
9. Remove two pressure regulator valve assembly
retaining screws.
10. Remove valve assembly from second stage housing
and discard "0" ring seal.
11. Disconnect distributor arm tension spring from
swivel arm.
12. Remove actuating arm retaining screw and arm.
13. Piston and diaghram assembly can not be removed
from first stage housing by carefully sliding the assembly
straight out of housing.
PISTON--DIAPHRAGM ASSEMBLY
Disassemble
1. Remove snap ring retainer with snap ring pliers and
retain retainer (Fig. 3D-37).
2. Remove diaphragm plate, diaphragm, second
diaphragm plate and corprene washer. The diaphragm and
washer can be discarded.
3. Remove and discard piston seals and "0" rings from
piston.
C A UTI 0 N: Be careful not to damige piston.
4. Remove check valve in second stage end of piston by
inserting a suitable punch or piece of 3/32" welding rod
through air passage from first stage and taping.
FIRST STAGE HOUSING AND VALVE
MECHANISM
Disassemble
Actuate distributor valve with finger. Valve tension
spring should press against distributor valve, holding it
against either stop. If valve action is not free and positive, it
will be necessary to rebuild using new parts in Distributor
Valve and Arm Package. If action is free and positive and
upon disassembly there are no damaged parts, parts may be
re-used.
1. Remove screw, washer, distributor arm assembly,
washer and distributor valve bushing (Fig. 3D-38).
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