TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 1 Download
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6-9. GEARED HUB REPLACEMENT (Cont'd) 12. Place geared hub (3) in vise. 13. Remove cotter pin (1), slotted nut (2), and lower ball joint (4) from geared hub (3). Discard cotter pin (1). b. Installation WARNING Geared hub must be supported during installation. Failure to support geared hub may cause injury to personnel or damage to equipment. NOTE • If geared hub is received with P/N 6005120 and left front or right rear installation is required, replace steering arm cover P/N 6005120 with P/N 6005121. • If geared hub is received with P/N 6005121 and right front or left rear installation is required, replace steering arm cover P/N 6005121 with P/N 6005120. • Use existing steering arm cover if serviceable. • Perform steps 1 through 1.2 for replacement of steering arm cover. Proceed to step 1.3 for geared hub installation. 1. Remove four capscrews (4.1), washers (4.2), and steering arm cover (4.3) from geared hub (3). CAUTION When installing steering arm cover, ensure seal in cover is aligned on spindle extension or damage to seal will result. NOTE Immediately install steering arm cover after application of sealant. 1.1. Clean sealing surfaces on geared hub (3) and steering arm cover (4.3), then apply anaerobic sealing compound to steering arm cover (4.3). 1.2. Apply sealing compound to threads on capscrews (4.1) and install steering arm cover (4.3) on geared hub (3) with four washers (4.2) and capscrews (4.1). Tighten capscrews (4.1) to 65 lb-ft (88 N•m). NOTE Upper and lower ball joints have grease fittings. 1.3. Install lower ball joint (4) on geared hub (3) with slotted nut (2), but do not tighten. 2. Install upper ball joint (7) on upper control arm (8) and geared hub (3) with slotted nut (19). 3. Tighten slotted nut (19) on upper ball joint (7) to 65 lb-ft (88 N•m). Install cotter pin (18). 4. Install four washers (21), capscrews (20), washers (6), and locknuts (5) on upper ball joint (7) and upper control arm (8). Tighten locknuts (5) to 37 lb-ft (50 N•m). 5. Apply sealing compound to halfshaft retaining capscrew (10) and install halfshaft (15) on geared hub (3) with lockwasher (9) and halfshaft retaining capscrew (10). Tighten halfshaft retaining capscrew (10) to 37 lb-ft (50 N•m). 6. Install washer (11) and access plug (12) on geared hub (3). Tighten access plug (12) to 8-13 lb-ft (11-18 N•m). 7. Install lower ball joint (4) and geared hub (3) on lower control arm (16). Ensure lower ball joint (4) is below lower control arm (16). TM 9-2320-387-24-1 6-24 Change 1