TM9-2320-279-10-1
Table 2-7. Preventive Maintenance Checks and Services Auxiliary Equipment
Item
No.
156
Monthly
Interval
Location
Item to
Check/
Service
Arctic
Heater
Continued
Crewmember
Procedure
DRIVER
c. Check coolant pump and
water jacket for security of
mounting and obvious dam-
age.
d. Check coolant pump for
unusual noise.
e. Check coolant hoses for
leaks, cuts, loose clamps and
other obvious damage.
f.
Check valve for leaks.
g. Check heater exhaust
pipe at water jacket for loose
clamp.
Not Fully Mission
Capable If:
Any Class III coolant
leakage.
WATER JACKET
Change 5
2-142.13
