TM-9-2320-387-24 HMMWV Direct Support & General Support Maintenance Manual Volume 2 Download
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TM 9-2320-387-24-2 12-36.1. 10,500 LB REAR HYDRAULIC WINCH ASSEMBLY AND BRACKETS REPLACEMENT (Cont’d) 12-68.2 Change 1 1. Disconnect hydraulic hose (24) from front port 2 elbow (23) on rear winch assembly (25). 2. Disconnect hydraulic hose (21) from rear port 4 elbow (22) on rear winch assembly (25). NOTE Perform step 3 only if vehicle is to be operated with winch assembly removed. Tube assembly is located in stowage box under commander’s (companion) seat inside vehicle. 3. Connect tube assembly (26) to hydraulic hose assemblies (21) and (24). NOTE On some vehicles rear body mount bolts may interfere with removal of right and left hand rear bracket nuts. Perform step 4 if rear body mounting screws interfere with removal of winch/bumper mounting bracket screws. 4. Remove two locknuts (17), screws (20), and spacers (19) from left and right rear body mounts (18). Discard locknuts (17). 5. Remove two locknuts (9) and washers (8) from lower control arm bolts (5). Discard locknuts (9). 6. Remove four locknuts (15), screws (16), eight washers (11), and winch and bumper assembly (10) from two lower control arm bolts (5) and rear brackets (6). Discard locknuts (15). NOTE Brackets may not require replacement, replace only if damaged. Remove six locknuts (2), capscrews (7), twelve washers (3), and two rear brackets (6) from rear bumper (1) and frame rails (4) Discard locknuts (2). Install two rear brackets (6) on frame rail (4) and rear bumper (1) with six capscrews (7), twelve washers (3), and six locknuts (2). 1. Install winch and bumper assembly (10) on two lower control arm bolts (5) with washers (8) and locknuts (9). Do not tighten locknuts (9). 2. Install winch and bumper assembly (10) on rear brackets (6) with four screws (16), eight washers (11), and four locknuts (15). Tighten four locknuts (15) to 37 lb-ft (50 N•m) and locknuts (9) to 260 lb-ft (352 N•m). NOTE Perform step 3 if tube assembly was installed. Store tube assembly in stowage box under commander’s (companion) seat inside vehicle. 3. Disconnect tube assembly (26) from hydraulic hose assemblies (21) and (24). NOTE Perform step 4 if body mount bolts were removed for access to left and right hand rear bracket nuts. 4. Install two screws (20), spacers (19), and locknuts (17) on left and right rear body mounts (18). Tighten locknuts (17) to 90 lb-ft (122 N•m). 5. Connect hydraulic hose (21) to rear port 4 elbow (22) on rear winch assembly (25). 6. Connect hydraulic hose (24) to front port 2 elbow (23) on rear winch assembly (25). d. Winch Installation c. Bracket Installation b. Bracket Removal