TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).u. AUXILIARY POWER UNIT (continued).(3) ENGINE HARD TO START.Initial Setup:Tools/Test Equipment:Equipment Conditions:l Digital multimeter (DMM) (Item 13, Appendix I)l Move projectile racks to rear of vehicle (refer tol Drain pan (Item 14, Appendix I)TM 9-2350-287-10).l General mechanic’s tool kit (Item 24,l Remove APU compartment access plateAppendix I)(para 15-39).l Remove cylinder shroud panel (para 18-14).Personnel Required: TwoA. 1. Place a drain pan under fuel fitters andopen drain cocks.2. With the aid of an assistant turn MASTERswitch and APU FUEL SHUT-OFF switch ON(refer to TM 9-2350-287-10).3. Turn MASTER switch and FUEL SHUT-OFF switch OFF (refer to TM 9-2350-287-10).Troubleshoot engine electrical(para 2-19 d.(3)).B. 1. Disconnect lead R from glow plugs.2. Place one multimeter probe on glow plugterminal and other probe on ground.3. Check for continuity.4. Repeat steps 2 and 3 for each glow plug.Continued on next page2-310
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