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TM 9-2320-364-20-4
2-3041
(1) Open front access cover.
(2) Set multimeter select switch to
volts dc.
(3) Connect positve (+) multimeter lead
to wire 1644 at water pump.
(4) Connect negative (–) multimeter lead
to a known good ground.
(5) Set arctic heater switch to START
and then to ON position
(TM 9-2320-364-10).
(a) If 22 to 28 vdc are not present,
perform Step (6) below and go to
Step 3 of this Fault.
(b) If 22 to 28 vdc are present,
perform Step (6) below and go to
Step 2 of this Fault.
(6) Turn OFF arctic heater 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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