TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 668 of 953
6-13. GEARED HUB SPINDLE SEAL REPLACEMENT (Cont'd) b. Installation TM 9-2320-280-20-2 6-36 Change 3 1. Using driver handle and spindle seal installer, install spindle seal (1) in geared hub (2). 2. Coat spindle seal (1) with lubricating oil. 3. Install spacer (3) and spindle (4) in geared hub (2). 4. Apply grease to face of retaining nut (9). NOTE • If four-slotted retaining nut TN-07 is present, it is recommended to replace it with eight-slotted retaining nut 12342680. • Ensure lip of spacer faces the bearing for a proper fit. 5. Install spacer (5), bearing (6), keyed washer (7), key washer (8), and retaining nut (9) on spindle (4). 6. Using retaining nut wrench, tighten retaining nut (9) to 35-45 lb-ft (47-61 N•m). 7. Rotate spindle (4) five full rotations clockwise and five full rotations counter clockwise to properly seat bearings. 8. Loosen retaining nut (9) until it is finger tight, then retighten nut to 23-27 lb-ft (31-37 N•m). WARNING Ensure locktab on key washer is bent completely into slot on retaining nut. Eight-slotted retaining nut provides additional security by enabling two locktabs on key washer to be bent into slots on retaining nut. Failure to do this may cause injury to personnel or damage to equipment. NOTE • For new configuration, two locktabs on key washer must be bent into slots on retaining nut. • It may be necessary to slightly loosen or tighten retaining nut to gain proper alignment with locktabs. 9. Determine which locktab (10) on key washer (8) aligns with slot (11) in retaining nut (9). Bend locktab (10) into slot (11) on retaining nut (9). NOTE Immediately install steering arm cover after application of sealant. 10. Clean sealing surfaces on geared hub (2) and steering arm cover (14). Apply anaerobic sealant to steering arm cover (14) and install steering arm cover (14) on geared hub (2). 11. Apply sealing compound to threads of capscrews (12) and install steering arm cover (14) on geared hub (2) with four washers (13) and capscrews (12). Tighten capscrews (12) to 65 lb-ft (88 N•m). 12. Remove fill plug (15) and washer (16) from geared hub (2). 13. Fill geared hub (2) to proper oil level (para. 2-11). 14. Install washer (16) and fill plug (15) on geared hub (2). Tighten fill plug (15) to 8-13 lb-ft (11-18 N•m).