TM 55-2840-254-23
4-10 TEST LEFT- AND RIGHT-HAND BUS BAR ASSEMBLIES (Continued)
4-10
2. Using multimeter, measure insulation resistance
of left- and right-hand bus bar assemblies (1 and
2) as follows:
NOTE
Following steps a. through m. apply to
both left- and right-hand bus bar assem-
blies. Right-hand bus bar assembly is
shown.
a. Set multimeter range switch to R x 1000.
b. Touch red probe (3) to terminal lug (4).
c. Touch black probe (5) to terminal lug (7).
d. Multimeter shall indicate 1000 ohms mini-
mum. If multimeter indicates less than 1000
ohms, replace bus bar.
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