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Page Title:
Filter Bypass Indicator Circuit. (Cont) |
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 TM
9-2350-238-20-2
2-10.
ELECTRICAL
CIRCUIT
TROUBLESHOOTING
(CONT).
Make
sure
MASTER
switch
is
OFF
before
repairing
electrical
com-
ponents. Failure to observe this warning could result in injury to
personnel.
Disconnect other lead 326 (1) from filter bypass indicator. Place red probe
Step 3.
in
filter
bypass
indicator
receptacle.
Ground
black
probe.
Set
MASTER
switch ON. If multimeter indicates about 24 volts, repair lead 326 between
differential pressure switch and filter bypass indicator, refer to page 2-66.
If multimeter indicates no voltage, replace filter bypass indicator light, refer
to page 2-296. Set MASTER switch OFF. Connect lead.
2-38
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