Hummer H1 Service Manual page 524

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6. Install stub shaft in valve body as follows:
a. Insert stub shaft into valve body.
b. Leave approximately 1/4 inch (6 mm) space between
stub shaft cap and valve body for access to pin
(Figure 8-57).
c. Align and engage stub shaft pin in valve spool pin bore
(Figure 8-57).
d. Align notch in stub shaft cap with pin in valve body
(Figure 8-58). Then fully seat stub shaft in valve body.
Verify that valve body pin is seated in cap notch before
proceeding.
6mm
(1/4 ")
PIN BORE
IN SPOOL
Figure 8-57: Aligning Stub Shaft Pin and Valve Spool
Pin Bore
05745159
NOTCH IN
STUB SHAFT CUP
VALVE
BODY
PIN
(SEAT IN
CAP
NOTCH)
STUB
SHAFT
PIN
Figure 8-58: Aligning and Seating Stub Shaft
7. Lubricate wormshaft thrust bearings and races with
petroleum jelly to hold them in place. Then install first
race followed by the bearing and remaining race
(Figure 8-59).
CAUTION: The thrust bearing races both have a concave
shape. Be sure the concave side is toward the wormshaft flange
as shown. The races will not maintain proper preload on the
bearing otherwise.
Steering System
In Valve Body
8-33
4-1-00