TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).u.AUXILIARY POWER UNIT (continued).(4) ENGINE STARTS, BUT FAILS TO KEEP RUNNINGOR MISFIRES.Initial Setup:Tools/Test Equipment:Equipment Conditions:l Drain pan (Item 14, Appendix 1)l Left projectile rack assembly moved to rearl General mechanic’s tool kit (Item 24,of vehicle (refer to TM 9-2350-287-10).Appendix 1)l APU compartment access plate removed(para 15-39).Personnel Required: Twol Cylinder shroud panel removed (para 18-14).Repair or replace unserviceable fuelB. 1. Place drain pan under fuel fitter drainhoses and open filter drain cocks.2. With the aid of an assistant, turn MASTERswitch and APU FUEL SHUT-OFF switchON (refer to TM 9-2350-287-10).3. Observe fuel flow from drain cocks andcheck for contaminants in fuel.4. Turn MASTER switch and APU FUELSHUT-OFF switch OFF (refer to TM 9-2350-287-10).Check and replace fuel filter elements(para 18-11). Verify problem is solved.2-312lines (para 4-5). Verify problem issolved.
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