SECTION V: TROUBLESHOOTING
TM 9-2350-256-20
WARNING
Remove all jewelry such as rings, dog
tags, bracelets, etc. If jewelry contacts a
metal surface a direct short may result in
instant heating of tools, damage to
equipment,
and
injury
or
death
to
personnel.
C
Reconnect wire 27F to fuel gage. Disconnect wire 28
from fuel gage. Place one end of jumper wire on
receptacle on fuel gage and other end to ground. Turn
MASTER switch on and check for fuel gage to read full
scale. Turn MASTER switch OFF. If fuel gage
operates, go to step D. If fuel gage fails to operate,
replace fuel gage (see paragraph 6-8).
D
Reconnect wire 28 to fuel gage. Disconnect wire 28
from fuel selector switch. Turn MASTER switch on and
check fuel gage. Fuel gage should read full. Ground
wire 28 at fuel selector switch end. Fuel gage should
read empty. Turn MASTER switch OFF. If fuel gage
reads correctly, go to step E. If fuel gage reads
incorrectly, repair/replace wire 28 of fuel gage panel
lead assembly (see paragraph 6-51).
E
Reconnect wire 28 to fuel selector switch. Remove
wires 30 and 31 from fuel selector switch. Turn
MASTER switch on and check fuel gage for operation
in both FRONT and REAR positions. Fuel gage should
read full for both tanks. Place one end of jumper wires
in both switch positions and other ends to ground.
Check fuel gage for operation in both FRONT and
REAR positions. Fuel gage should read empty. Turn
MASTER switch OFF. If fuel gage reads correctly, go
to step F. If fuel gage reads incorrectly, replace fuel
selector switch (see paragraph 6-8).
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