TM 9--2350--292--20--1
0147 00--4
EXCESSIVE INTERFERENCE, MAIN ENGINE AND APU NOT RUNNING,
ACCESSORIES ON -- CONTINUED
0147 00
F
Is interference heard?
CONTINUED FROM STEP E
no
yes
1. Disconnect ground wire from left (right) air
purifier and mounting bracket.
2. Clean mounting screws, ground wire, purifier
and mounting base thoroughly and reinstall.
3. Turn MASTER switch, left (right) air purifier and
radio ON (TM 9--2350--292--10). Listen for
interference.
4. Turn MASTER switch, left (right) air purifier and
radio OFF (TM 9--2350--292--10).
Fault corrected.
G
Is interference heard during heater starting cycle?
no
yes
1. Turn MASTER switch, personnel heater and
radio ON (TM 9--2350--292--10). Listen for
interference.
2. Turn MASTER switch, personnel heater and
radio OFF (TM 9--2350--292--10).
Go to Step I.
Replace left (right) air
purifier (WP 0706 00).
Verify fault is corrected.
CONTINUED FROM STEP E
CONTINUED ON NEXT PAGE