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 M
Repair lead 421 or replace harness
12330248 (para 7-71). Verify problem is
solved.
1
N. 1. Move left projectile racks to rear of vehicle.
(refer to TM 9-2350-287-10).
2. Disconnect power leads (circuit 76) from
APU fuel pumps.
3. Place red lead of multimeter into socket of
power lead of first pump.
4. With the aid of an assistant turn MASTER
switch ON (refer to TM 9-2350-287-10).
5. Turn FUEL SHUT-OFF switch ON (refer to
TM 9-2350-287-10).
6. Check for 24 ± 3 vdc.
7. Repeat procedures 4 through 7 for second
power lead.
8. Turn Master switch OFF (refer to TM 9-
2350-287-10).
Is voltage indicated in both power leads?
I
Repair lead 76 or replace harness
12330248 (para 7-71). Verify problem is
solved.
Continued on next page
2-300
