TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
4.
MAIN FRAME WORKLIGHT DOES NOT OPERATE (continued).
MODEL A, CONTINUITY TEST
(1) Disconnect worklight
connectors.
(2) Set multimeter to ohms
position.
NOTE
A reading of infinity indi-
cates a burned-out bulb.
MAIN FRAME
(3) Connect multimeter to leads
WORKLIGHT
at each end of worklight
wiring, and check multimeter
for continuity.
MODEL B, CONTINUITY TEST
(1) Remove main frame
worklight from main frame.
(2) Remove worklight bulb from
main frame worklight
assembly.
(3) Set multimeter to ohms
position.
NOTE
A reading of infinity indi-
cates a burned-out bulb.
(3) Connect multimeter to leads
at each side of light bulb
connectors, and check
multimeter for continuity.
MODEL A
MODEL B
WORKLIGHT
CONNECTORS
4-77
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