TM 1-1520-238-T-4
Change 5
6–79
6–16.1. HOD XMN 1 READING – DISPLAYS 50 LB OIL PRESSURE
6–16.1
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
References:
TM 1-1520-238-23
TM 55-1500-323-24
TM 9-1230-476-20-2
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions –
L60 fairing open
WARNING
Turn off power before detaching or
attaching wires and connectors. High
current 28 VDC or 115 VAC is present.
Failure to do so could result in death or
serious injury.
1. Detach P579. Check for open between:
P579–1 and P579–3.
Does open exist?
YES
Go to step 2.
NO
Go to step 3.
2. Inspect wire harness between oil system 1 heat
exchanger pressure transducer (MT9) and P579.
Can wire harness be repaired?
YES
Repair wire harness
(TM 55-1500-323-24).
Go to paragraph 6–13.
NO
Replace oil system 1 heat
exchanger pressure transducer
(MT9) (TM 1-1520-238-23).
Go to paragraph 6–13.
3. Detach P673. Check for open between
P673–95 and J579–1.
Does open exist?
YES
Repair open wire
(TM 55-1500-323-24).
Go to paragraph 6–13.
NO
Refer to TM 9-1230-476-20-2
to troubleshoot multiplex
subsystem.
END OF TASK
