TM 9-2350-287-20-1
2-19. TROUBLESHOOTING CHART (continued).
u. AUXILIARY POWER UNIT (continued).
(1) ENGINE CRANKS BUT FAILS TO START
(continued).
CONTINUED FROM N
O. 1. Place a suitable container under the fuel
pumps.
2. Disconnect fuel line from the inlet port of
the second fuel pump.
3. With the aid of an assistant turn MAS-
TER switch and FUEL SHUT-OFF switch
ON (refer to TM 9-2350-287-10).
4. Observe fuel hose for fuel flow.
5. Turn MASTER switch and FUEL SHUT-
OFF switch OFF (refer to TM 9-2350-287-
10).
Does fuel flow out of the fuel pump?
Replace second fuel pump (para 4-5). Verify
problem is solved.
P. 1. Connect fuel line to the inlet port of the
second fuel pump.
2. Disconnect fuel line from outlet port of the
first fuel pump.
3. With the aid of an assistant turn MASTER
switch and FUEL SHUT-OFF switch ON
(refer to TM 9-2350-287-10).
4. Observe fuel hose for fuel flow.
5. Turn MASTER switch and FUEL SHUT-
OFF switch OFF (refer to TM 9-2350-287-10).
Does fuel flow out of the fuel pump?
Continued on next page
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