TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
u.
AUXILIARY POWER UNIT (continued).
(4) ENGINE STARTS, BUT FAILS TO KEEP RUNNING
OR MISFIRES.
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
l Drain pan (Item 14, Appendix 1)
l Left projectile rack assembly moved to rear
l General mechanics 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: Two
l Cylinder shroud panel removed (para 18-14).
Repair or replace unserviceable fuel
B. 1. Place drain pan under fuel fitter drain
hoses and open filter drain cocks.
2. With the aid of an assistant, turn MASTER
switch and APU FUEL SHUT-OFF switch
ON (refer to TM 9-2350-287-10).
3. Observe fuel flow from drain cocks and
check for contaminants in fuel.
4. Turn MASTER switch and APU FUEL
SHUT-OFF switch OFF (refer to TM 9-2350-
287-10).
Check and replace fuel filter elements
(para 18-11). Verify problem is solved.
2-312
lines (para 4-5). Verify problem is
solved.