TM 55-2840-254-23
4-5 TEST THERMOCOUPLE JUMPER LEAD
4-5
INITIAL SETUP
Applicable Configurations:
All
Tools:
Multimeter
Materials:
None
Personnel Required:
68B10 Aircraft Powerplant Repairer
Equipment Condition:
Off Engine Task
1. Using multimeter, measure insulation resis-
tance of thermocouple jumper lead (1) as
follows:
a. Set multimeter range switch to R x 1000.
b. Touch red probe (2) to terminal lug (3).
c. Touch black probe (4) to terminal lug (5).
d. Meter shall indicate 1000 ohms minimum.
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