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TM 9-2320-364-20-3
2-2799
(1) Set multimeter select switch to volts dc.
(2) Connect positive multimeter (+) lead to
relay R22, terminal 86.
(3) Connect negative multimeter () lead to
a known good ground.
(4) Turn ON ENGINE switch.
(5) Set crane POWER switch to ON
position.
(6) Press HIGH IDLE switch to LATCH
position and release.
(a) If 22 to 28 VDC are not present,
perform Steps (7) and (8) below
and go to Step 14 of this Fault.
(b) If 22 to 28 VDC are present,
perform Steps (7) and (8) below
and replace relay R22
(Para 7-95).
(7) Set crane POWER switch to OFF
position.
(8) 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 and injury or death to personnel may occur.
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