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EXCESSIVE INTERFERENCE, MAIN ENGINE AND APU NOT RUNNING, ACCESSORIES ON
EXCESSIVE INTERFERENCE, MAIN ENGINE AND APU NOT RUNNING, ACCESSORIES ON (cont) - TM-9-2350-292-20-1_709
TM-9-2350-292-20-1 Carrier Ammunition Tracked M992A1(NSN 2360-01-362-3021) EIC:AE6 Manual
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TM 9--2350--292--20--1
0147 00--2
EXCESSIVE
INTERFERENCE
, MAIN ENGINE AND APU NOT RUNNING,
ACCESSORIES ON -- CONTINUED
0147 00
B
Is interference heard?
CONTINUED FROM STEP A
CONTINUED ON NEXT PAGE
1. Remove subfloor plate 25 (WP 0454 00).
2. Remove ground cable screw from fuel pump
and thoroughly clean screw, ground cable,
ground terminal and fuel pump
mounting base
.
Reinstall screw.
3. Thoroughly clean fuel pump electrical cable.
4. Place a jumper wire from vehicle hull to fuel
pump ground cable.
5. Turn MASTER switch, intank fuel pump and
radio ON (TM 9--2350--292--10). Listen for
interference.
6. Turn MASTER switch, intank fuel pump and
radio OFF (TM 9--2350--292--10).
C
Is
interference
heard?
no
yes
1. Turn MASTER switch, ventilating blower and
radio ON (TM 9--2350--292--10). Listen for
interference.
2. Turn MASTER switch, ventilating blower and
radio OFF (TM 9--2350--292--10).
Go to Step E.
yes
no
Replace intank fuel
pump (WP 0201 00).
Verify fault is corrected.
CONTINUED FROM STEP A
Notify Direct Support
Maintenance.
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