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TM 9-2320-364-20-3
2-2743
(1) Connect positive (+) multimeter lead
to crane junction box, terminal 8.
(2) Connect negative (–) multimeter lead
to a known good ground.
(3) Turn ON ENGINE switch
(TM 9-2320-364-10).
(4) Turn on crane POWER switch.
(a) If 22 to 28 vdc are not
present, perform Steps (5) and (6)
below and repair blue wire from
control lockout relay to terminal 8
(see schematic Fig 2-58) or notify
DS Maintenance.
(b) If 22 to 28 vdc are present,
perform Steps (5) and (6) below
and go to Step 13 of this Fault.
(5) Turn off crane POWER switch.
(6) Turn OFF ENGINE switch.
VOLTAGE TEST
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
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