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Page Title:
Table 2-8. Operator Preventive Maintenance Checks and Services-continued |
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 TM 10-3930-673-10
Table 2-8. Operator Preventive Maintenance Checks and Services - CONT.
Location
Item to Check/
Not Fully Mission
Item
Service
Procedure
Capable if:
No.
Interval
ARCTIC HEATER
SWITCH
5
Before
Arctic Heater
a. Open left engine access door.
Before
b. Ensure that coolant valve at left-rear of
engine is fully open.
Before
c. Move arctic heater switch to the ON
Coolant pump not operat-
position. Audible sound from coolant pump ing. (If mission requires use
inside arctic heater indicates pump is
of arctic heater).
working.
Before
d. Check arctic heater for security of
Damage present that would
mounting and obvious damage.
prevent proper operation. (If
mission requires use of arc-
tic heater).
Before
e. Check coolant hoses for leaks, cuts, loose
Class III leak is evident.
clamps and other obvious damage.
Before
f. Check valve for leaks.
Class III leak is evident.
Change 1
2-23
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