TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
Page 913 of 953
TM 9-2320-280-20-2 9-12. TOWING PINTLE MAINTENANCE (Cont’d) 1. 2. 3. 4. 5. 6. Install pintle lock chain (1) on towing pintle hook (10) with drivescrew (11). Install cotter pin (3) on pintle lock chain (1) with pintle lock chain hook (2). Install towing pintle latch (8) on towing pintle hook (10) with capscrew (6) and locknut (12). Tighten locknut (12) to 15 lb-ft (20 N m). Install spring (4) and pintle latch lock (5) on towing pintle latch (8) with capscrew (7) and locknut (9). Tighten locknut (9) to 15 lb-ft (20 N·m). Install cotter pin (3) in pintle latch (8). NOTE Perform step 6 for rear-mounted towing pintle only. Install grease fitting (14) in backing plate (13). e. Installation NOTE Perform steps 1 through 3 for rear-mounted towing pintle. Perform steps 4 through 6 for optional towing pintle mounted to the front bumper. Grease fitting on backing plate must face downward. 1. Install safety chain plate (22), support plates (20), and backing plate (13) on rear crossmember (21) with four washers (16), capscrews (24), washers (16), and nuts (15). 2. Install towing pintle (23) and tighten nuts (15) to 90 lb-ft (122 N m). 3. Install towing pintle (23) with washer (19) and slotted nut (17). Loosen slotted nut (17) slightly if towing pintle (23) will not rotate easily. Install cotter pin (18) in slotted nut (17). 9-18