Table 2-1. Unit Level Preventive Maintenance Checks and Services for M113A2 FOV
Item
Interval
Item To
Procedure
Not Mission
No.
Be
Capable If:
Inspected
66
Semi-
Cooling
WARNING
annual
System
Hot coolant can burn you. Do
Continued
not open radiator cap access
cover or remove cap until cool-
ant gage reads in the bottom
one-quarter of green zone.
Table 1.
Lowest Estimated
Pints of Ethylane Glycol
Antifreeze to be Included
in Preparation of l-Gal.
+20 °F (-7C) . . . . . . . . . . . . . . . ...1-1/2
+10 °F (-12 C) . . . . . . . . . . . . . . . . ..2
0oF (-18C) . . . . . . . . . . . . . . . . ...2-3/4
-10° F (-23C) . . . . . . . . . . . . . . . . ..3-1/4
-20° F (-29C) . . . . . . . . . . . . . . . ...3-1/2
-30° F (-34C) . . . . . . . . . . . . . . . ...4
-40° F (-40C) . . . . . . . . . . . . . . . ...4-1/4
-50° F (-46C) . . . . . . . . . . . . . . . ...4-1/2
-55° F (-48C) . . . . . . . . . . . . . . . ...4-3/4
NOTE
A freeze protection indication
beyond the limits shown in Table
1 or below -550 F (-48° C), when
MIL-A-46153 antifreeze is used,
will require partial coolant
drain and replacement with
water. Freeze protection must
not exceed -55° F (-48° C) when
MIL-A-46153 is used.
2-86 Change 3
TM 9-2350-261-20-1
