TM 1-1520-238-T-4
6–132.2
Change 1
6–60.1. HOD NGB 1 READING – DISPLAYS 140 C OR HIGHER OIL TEMPERATURE (cont)
6–60.1
7. Check for open between:
J61–F and P439–A10,
P439–A14 and P463–c.
(A402):
J21–A10 and J21–A14.
Does open exist?
YES
Repair open wire.
Go to paragraph 6–13.
NO
Refer to TM 1-1520-238-T-6 to
troubleshoot circuit protection
system (dc emergency bus –
pilot station)
8. Check for short between P61–H and P61–J.
Does short exist?
YES
Replace NGB 2 oil temperature
probe (TM 1-1520-238-23).
NO
Repair shorted wire between:
J61–H and P403 –B1,
J61–J and P403 –B2,
J403–B1 and P673–87,
J403–B2 and P673–86.
Go to paragraph 6–13.
END OF TASK
