CHRYSLER SERVICE MANUAL
STEERING—253
Install three screws and concave washers,
draw down evenly and tighten 30 foot-pounds
torque. Lubricate worm outer bearing roller
and install in bearing cup. Position race in
bearing. Slide thrust washer over worm and
against outer bearing race, and follow with
worm bearing nut lockwasher. Turn worm
shaft out until lower race seats in bearing. In-
stall worm housing bearing adjusting nut over
shaft (tapered end first). Slide Tool C-3320
over worm shaft, followed by Tool C-3319. Us-
ing Tool C-3319 and torque wrench, turn worm
shaft counter-clockwise (Fig. 37) to 20 foot-
pounds torque against inner bearing.
While holding worm shaft against bearing at
20 foot-pounds torque, tighten adjusting nut
clockwise to 15 foot-pounds torque, as shown
in Figure 38, using Tool C-3320 and another
torque wrench.
Rotate worm shaft several times in order to
properly seat bearings. Loosen adjusting nut
and hold worm shaft a 5 foot-pounds torque
(counter-clockwise) against inner bearing, us-
ing Tool C-3319 and torque wrench.
Retighten adjusting nut clockwise to 5 inch-
pounds torque, as shown in Figure 39. Lock
adjusting nut in position by bending tang of
lockwasher to index with slot in nut. Only one
tang is necessary to lock nut. A loose adjust-
ment will result in free play and too tight an
adjustment will result in lack of returnability.
Install worm housing oil seal by lightly tap-
ping with plastic or rubber hammer until seal
INCH POUNDS
WRENCH
TIGHTEN
CLOCK-WISE
54x643
Fig.
38—Adjusting Worm Housing Bearings (Outer)
54x644
Fig.
39—Final Worm Housing Bearing Adjustment
is seated in housing. Install steering gear arm,
lockwasher and nut, and tighten 100 to 120
foot-pounds torque. Work arm back and forth,
forcing piston to its full length of travel.
Adjust gear shaft into a backlash condition,
and tighten lock nut. This adjustment is nec-
essary before adjusting manual control valve
to neutral position and is not to be considered
a final adjustment.
Filling worm housing with Automatic Trans-
mission Fluid Type "A" is very important
since there is no hydraulic connection between
the worm and gear housing. Add Automatic
Transmission Fluid Type "A" to worm housing
through worm housing filler hole. Keep gear
assembly in its approximate mounting position
to facilitate filling. Install worm housing oil
filler plug and tighten to equivalent of 50 inch-
pounds torque.
16.
ADJUSTING POWER STEERING
GEAR ASSEMBLIES
a. Valve Neutral Position
Connect test hoses to hydraulic pump on car
and to steering assembly. Remove oil reservoir
cover, start engine, and operate at idle. Fill
reservoir to level mark and allow system to
warm up. Oil level must be maintained above
filter while hydraulically centering valve.
Insert manual control valve centering tool
(slotted end first) into worm shaft and engage
slot in tool with tang on control valve operating
rod. (Tool C-3445 can be rotated by using a
tap wrench).
MyMopar.com
To Next Page
Loading...
