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TM 9-2320-364-10
2-59
Table 2-1. Operator’s Preventive Maintenance Checks
and Services (Before) - CONT.
Location
Item
No.
Interval
Item to
Check/
Service
Procedure
Not Fully Mission
Capable if:
4
Before
Arctic Heater
Kit - Cont.
(d) Place arctic heater switch (7) to
the ON position. Audible sound
from pump indicates coolant pump
is operating.
Coolant pump not
operating.
(e) Check coolant pump (8) and
water jacket (9) for security of
mounting and obvious damage.
Damage present that
would prevent
proper operation.
(f) Check coolant pump (8) for
unusual noise.
(g) Check coolant hoses (10) for
leaks, cuts, loose clamps (11) and
other obvious damage.
Class III leak is
evident.
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