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Page Title:
BOOM FLOODLIGHT DOES NOT OPERATE - continued |
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 TM 10-3930-673-20-1
BOOM
FLOODLIGHT
SWITCH
INSTRUMENT
VOLTAGE TEST
PANEL
SCREW
(1) Disconnect negative battery cable from
negative side of battery (Para 8-42).
(2) Set multimeter to volts dc.
(3) Remove four screws and instrument
panel.
(4) Lift instrument panel out to get to boom
floodlight switch.
(5) Connect multimeter positive lead (+) to
boom floodlight switch where wire 70
connects.
(6) Connect multimeter negative lead () to
known good ground.
(7) Connect negative battery cable from
negative side of battery (Para 8-42).
(8) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(9) Turn boom floodlight switch to ON
position (TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 15
ENGINE
of this fault.
START
(b) If 24 vdc is not present, repair
SWITCH
wire 70 (Para 8-48).
(10) Turn boom floodlight switch to OFF
position (TM 10-3930-673-10).
WIRE 70
(11) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(12) Disconnect negative battery cable from
negative side of battery (Para 8-42).
BOOM
FLOODLIGHT
SWITCH
TR01582
2-277
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