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

TROUBLESHOOTING CHART (continued). - TM-9-2350-287-20-1_350

TROUBLESHOOTING CHART (continued). - TM-9-2350-287-20-1_352

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 I 2-19. TROUBLESHOOTING CHART (continued). I _Iu. AUXILIARY POWER UNIT (continued). (1) ENGINE CRANKS BUT FAILS TO START (continued). CONTINUED FROM L L. 5. Place multimeter lead on each connector of FUEL SHUT-OFF switch. 6. Place FUEL SHUT-OFF switch in ON posi- tion (refer to TM 9-2350-287-10). 7. Check for continuity. Is continuity indicated? I I 1 Replace FUEL SHUT-OFF switch (para 7-22). Verifyproblem is solved. M. 1. Reconnect two leads to FUEL SHUT-OFF switch. 2. Reconnect harness 12330248 to APU con- trol box panel. 3. Install bracket and access panel on APU control box with four new Iockwashers and screws. 4. Install NBC air purifier (para 22-2). 5. Place red probe of multimeter on socket B of wall-mounted connector and ground black probe. 6. With the aid of an assistants turn MASTER switch ON (refer to TM 9-2350-287-10). 7. Turn FUEL SHUT-OFF switch ON (refer to TM 9-2350-287-10). 8. Check for 24 ± 3 vdc. 9. Turn MASTER switch and fuel SHUT-OFF switch OFF (refer to TM 9-2350-287-10). Is voltage indicated? Continued on next page 2-299

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