TM-9-2320-361-20 Page 995

TM-9-2320-361-20 Unit Maintenance Manual for M44A2 Series Trucks

Page 995 of 1207

TM 9-2320-361-20 13-18. REAR WINCH REPLACEMENT (M756A2) This task covers: a. Removal b. Installation INITIAL SETUP: APPLICABLE MODELS M756A2 MATERIAL/PARTS Two cotter pins Ten locknuts Eight lockwashers Two plugs PERSONNEL REQUIRED Two REFERENCES (TM) LO 9-2320-209-12-1 TM 9-2320-361-10 TM 9-2320-361-20P EQUIPMENT CONDITION • Parking brake set (TM 9-2320-361-10). • Rear winch cable removed (para. 13-10). Ž Rear winch drivechain removed (para. 13-11). • Cab protector removed (para. 12-85). • Rear winch draintubes removed (para. 13-16). GENERAL SAFETY INSTRUCTIONS All personnel must stand clear during lifting operations. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Remove six locknuts (7), washers (8), screws (10), and washers (8) from two winch brackets (9) and frame extensions (5). Discard locknuts (7). WARNING All personnel must stand clear during lifting operations. A swinging or shifting load may result in injury to personnel. NOTE Assistant will help with steps 2 and 3. Secure chain sling (1) to rear winch (3) and lifting device (2). Remove rear winch (3) and two spacers (4) from frame (6). Lower rear winch (3) approximately 1 in. (2.5 cm) from ground. Remove four locknuts (22), screws (25), and two winch supports (26) from winch brackets (9). Discard locknuts (22). Remove eight screws (27), lockwashers (28), and two winch brackets (9) from rear winch (3). Discard lockwashers (28). Lower rear winch (3) to ground and remove chain sling (1) from rear winch (3) and lifting device (2). Remove two plugs (15) from sprocket (14). Discard plugs (15). Remove two cotter pins (11) and shearpin (13) from hub (12) and sprocket (14). Discard cotter pins (11). Discard shearpin (13) if damaged. Remove retainer ring (18) from hub (12) and turn sprocket (14) 90° to aline straight pin (16) with holes in sprocket (14) and hub (12). Remove straight pin (16), hub (12), bushing (21), sprocket (14), spacer (19), and retaining ring (18) from rear winch shaft (17). Remove grease fitting (20) from sprocket (14). Remove plug (23) and elbow (24) from winch (3). 13-30