TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 3 Download
Page 459 of 1170
11-137. REAR STEPS RETRACTOR REPLACEMENT This task covers: a. Removal b. Installation a. Removal 1. Remove locknut (9), washer (11), socket head screw (1), large washer (2), retractor (8), and retaining cable (3) from rear steps (10). Discard locknut (9). 2. Lower rear steps (TM 9-2320-280-10). 3. Remove locknut (5), washer (6), capscrew (7), and retractor (8) from body (4). Discard locknut (5). INITIAL SETUP: Applicable Models M996, M996A1, M997, M997A1, M997A2 Tools General mechanic’s tool kit: automotive (Appendix B, Item 1) Materials/Parts Two locknuts (Appendix G, Item 128) Manual References TM 9-2320-280-10 TM 9-2320-280-24P Equipment Condition • Rear steps raised (TM 9-2320-280-10). M997, M997A1, and M997A2 only: • Litter rail extension and litters removed from stowage compartment (TM 9-2320-280-10). General Safety Instructions Rear steps must be raised before disconnecting retractor lever from rear steps. b. Installation 1. Install retractor (8) and retaining cable (3) on rear steps (10) with large washer (2), socket head screw (1), washer (11), and locknut (9). Tighten screw (1) to 31 lb-ft (42 N•m). 2. Raise rear steps (TM 9-2320-280-10). 3. Install retractor (8) on body (4) with capscrew (7), washer (6), and locknut (5). Tighten capscrew (7) to 37 lb-ft (50 N•m). WARNING Rear steps must be raised before disconnecting retractor lever from rear steps. Failure to do this may cause injury to personnel and damage to equipment. NOTE The procedure for replacing rear steps retractor is similar for M996, M996A1, M997, M997A1, and M997A2 ambulances. TM 9-2320-280-20-3 11-200 Change 2