Hummer H1 Service Manual page 556

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16. Apply thread-locking compound to bolt threads and install
steering arm cover on geared hub with four washers and
bolts. Tighten bolts to 65 lb-ft (88 N•m).
17. Remove fill plug and washer from geared hub
(Figure 9-40).
GEARED HUB
Figure 9-40: Geared Hub Fill Plug Location
18. Fill geared hub to proper oil level (Section 1).
19. Secure washer and fill plug to geared hub. Tighten fill
plug to 8-13 lb-ft (11-18 N•m).
20. Install wheel.
GEARED HUB SPINDLE BEARING ADJUSTMENT
Adjustment
1. Remove wheel.
2. Remove drainplug and drain geared hub oil. Install
drainplug into geared hub. Tighten drainplug to 8-13 lb-ft
(11-18 N•m) (Figure 9-41).
3. Remove four bolts, washers, and steering arm cover from
geared hub. Push steering arm cover away from geared
hub (Figure 9-43).
4. Remove clampnut lock screw from clampnut.
5. Using clampnut socket, remove clampnut and keyed
washer from spindle.
6. After clampnut lock screw is installed into clampnut,
clampnut must be completely installed on spindle within a
ten minute limit.
05745159
Axles, Suspension, and Frame
GEARED HUB
FILL PLUG
Figure 9-41: Geared Hub Drainplug Location
7. Tighten clampnut lock screw three to five turns into
clampnut.
CAUTION: Ensure clampnut is installed on spindle with boss
(protruding side) facing inward toward bearing and large
chamfer side with engraved part number facing away from
bearing.
8. Apply a thin coat of grease to boss (protruding side) of
clamp nut and install clamp nut on spindle.
NOTE: If an excessive amount of torque (18-26 lb-in. (2-3
N•m)) is required to tighten clampnut lock screw to remove
clampnut wobble, remove screw. Ensure threads of clampnut
are clean and free of Loctite. Replace screw with a new one or
remove all previously applied Loctite from threads of old
screw and apply fresh Loctite 272 to old screw threads prior to
reinstallation. Use a hex socket and torque wrench to tighten
and check screw torque.
9. Tighten clampnut lock screw until all clampnut wobble is
removed and clampnut can still be rotated by hand.
10. Using clampnut socket SBAS-07M, tighten clampnut to
40 lb-ft (54 N•m). Rotate spindle five revolutions both
clockwise and counterclockwise to seat bearings
(Figure 9-42).
DRAINPLUG
9-19