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

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

(2) UPPER REAR DOOR DRIFTS CLOSED

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 (continued). CONTINUED FROM C Replace damaged or leaking hoses, lines, fittings, or components (para17- 30). Verify problem is solved. D. 1. Activate hydraulic system (refer to TM 9- 2350-287-10). 2. Manually operate ballistic shield directional control valve with override buttons located at both ends of the valve. 3. Observe operation of directional control valve. 4. Deactivate hydraulic system (refer to TM 9- 2350-287-10). Does directional control valve return to center? I Replace ballistic shield directional control (para 17-28). Verify problem is solved. Troubleshoot hydraulic electrical system (para 2-19.t (1)). END OF TASK 2 - 2 7 5

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