TM 1-2840-252-23-2
4-6
INSTALL THERMOCOUPLE JUMPER LEAD (Continued)
4-6
Using multimeter, measure insulation resistance as
8.
follows:
a.
Set multimeter range to R X 1000
b.
Touch red probe (24) to terminal lug (16)
c.
Touch black probe (25) to fireshield assembly (4)
Meter shall indicate 1000 ohms minimum. If
d.
meter indicates less than 1000 ohms replace
thermocouple jumper lead (Ref. Task 4-1 and 4-
6).
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4-22
