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TM 9-2320-364-20-2
2-1077
(1) Disconnect harness connector MC59
from EPAC.
(2) Start engine (TM 9-2320-364-10).
(a) If fan speed does not increase,
perform Steps (3) through (6)
below and notify DS Maintenance.
(b) If fan speed does increase,
perform Steps (3) through (5)
below and go to Step 5 of
this Fault.
(3) Turn OFF ENGINE switch.
(4) Install left side noise panel, eight
washers, lockwashers and screws.
(5) Install right side noise panel
(Para 17-26).
(6) Connect harness connector MC59
to EPAC.
FAN TEST
(1) Start engine (TM 9-2320-364-10).
(2) Observe WATER TEMP gage for
reading above 230F (110C) with
engine running and fan at high speed.
(a) If WATER TEMP gage indicates
engine temperature above 230F
(110C), cooling assembly is
faulty. Perform Steps (3) and (4)
below and go to Step 6 of
this Fault.
(b) If WATER TEMP gage indicates
engine temperature under 230F
(110C), temperature sensing
circuit is faulty. Perform Steps (3)
and (4) below and go to Step 10 of
this Fault.
(3) Turn OFF ENGINE switch.
(4) Connect harness connector MC59
to EPAC.
FAN OPERATION/TEMP TEST
Engine temperature must be below
192F (88C) before performing test.
NOTE
Allow engine to cool before performing troubleshooting maintenance. If necessary use insulated pads
and gloves. Hot engine components will burn and cause injury to personnel.
Do not place any part of body in area of fan operation
to personnel.
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