Cadillac 60 Series 1963 Shop Manual page 72

POWER STEERING
5-13
2. Install screw that holds flexible coupling to
upper steering shaft. Tighten to 30 foot-pounds.
3. Check gear to steering column alignment
and adjust as described in Note 6.
4. Position pitman arm on pitman shaft and
install lock washer and nut on end of pitman shaft.
Tighten nut to 115 foot-pounds.
5. Connect pressure and return line hoses to
pump.
6. Check fluid level and bleed hydraulic system
as described in Note 1.
1 1 . Steering Gear, Removal
of Major Components
1. Position gear assembly in vise with gear
housing end plug facing up.
2. Rotate gear housing end plug retaining ring
so that one end of ring is over hole in housing.
Spring one end of ring with punch to allow screw-
driver to be inserted to lift ring out, Fig. 5-21.
3. Rotate coupling flange counterclockwise until
rack-piston just forces end plug out of housing.
Remove end plug from housing.
CAUTION: Do not rotate any further than
necessary or balls will fall out of their circuit
and pitman shaft teeth and rack-piston will
become disengaged.
4. Remove rack-piston end plug using a 1/2
inch square drive.
NOTE: To make removal easier, tap rack-
piston end plug with a plastic mallet to unseat
threads. This is important, as end plug is
tightened to 50 foot-pounds during assembly
and could break during removal if not handled
carefully.
5. Remove lock nut from pitman shaft adjuster
screw and discard.
6. Remove four side cover-to-housing retaining
screws and lock washers from cover.
7. Rotate pitman shaft adjuster screw with an
Allen wrench until side cover is lifted free from
housing.
8. Separate side cover from pitman shaft. Dis-
card side cover O-ring seal.
9. Turn coupling flange until pitman shaft teeth
are centered in housing.
10. Tap end of pitman shaft with a soft mallet
and slide pitman shaft out of housing.
11. Remove housing end plug O-ring seal from
housing and discard.
12. Insert Rack-Piston Arbor, J-7539, into
rack-piston against end of worm. Turn coupling
flange counterclockwise, while holding tool tightly
against worm, to force rack-piston on to arbor,
and remove rack-piston from gear housing, Fig.
5-22.
13. Remove stub shaft-to-coupling flange r e -
taining screw and remove coupling flange assem-
bly.
14. Remove adjuster plug lock nut by breaking
it loose with hammer and punch, and remove lock
nut from housing.
15. Loosen adjuster plug assembly, using Span-
ner Wrench, J-7624, Fig. 5-23 and remove from
housing.
16. Remove valve assembly by grasping stub
shaft and pulling out.
V8" Punch
Rack
•
Piston
J-7539
1
Arbor
1 *
- - - • • " A
***
•••&
s !
s
*
Fig. 5-21 Removing End Plug Retaining Ring
Fig. 5-22 Installing Rack-Piston Arbor Tool
in End of Worm