(1) UPPER REAR DOOR DOES NOT GO UP OR DOWN.

s. UPPER REAR DOOR.

TROUBLESHOOTING CHART (continued) - TM-9-2350-287-20-1_327

TM-9-2350-287-20-1 Carrier Ammunition Tracked M992A21 (2350-01-352-3021) EIC:AE6 Manual
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TM 9-2350-287-20-1 2-19. TROUBLESHOOTING CHART (continued). s. UPPER REAR DOOR (continued). (1) UPPER REAR DOOR DOES NOT GO UP OR DOWN. All other hydraulic systems operate. I Initial Setup: Tools/Test Equipment: Equipment Conditions: l General mechanic’s tool kit (Item 24, l MASTER switch set to OFF (refer to TM Appendix 1) 9-2350-287-10). A. 1. Open lower rear door (refer to TM 9-2350- 287-10). 2. Inspect upper rear door and hinges for damage or binding. Is ballistic shield damaged or are hinges binding? Repair or replace damaged hinges or upper rear door (para 15-31). Verify problem is solved. B. Inspect hydraulic actuator for damage or signs of fluid leakage. Are any leaks or damage found on actuator? Replace damaged hydraulic actuator (para 17-29). Verify problem is solved. C. Inspect all hydraulic hoses, lines, fittings, and components from directional control valve to hydraulic actuator for damage or signs of leakage. Are any of the hoses, lines, fittings, and components damaged or leaking? Continued on next page 2-274

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