2-43. ARCTIC WINTERIZATION KIT
a. General. Arctic winterization kits are installed by direct support maintenance
personnel on vehicles operating in -25° F to -65° F (-31°C to -54° C) temperatures or less.
The kit includes hardtop enclosure, quilted engine compartment cover, fuel burning
personnel heater, fuel burning engine coolant heater, thermal barrier and slave receptacle
kits, control lever covers, and an alcohol evaporator.
b. Operating Engine Compartment Covers.
The engine compartment cover (1) is installed at direct support
level. Radiator winterfront brush guard cover (3) and the cover
flap (2) used with the hot water personnel heater kit, discussed on
previous page, are identical.
(1) Start engine with radiator winterfront cover flap (2) closed. Refer to paragraph
2-13 for cold-weather starting instructions.
(2) Roll up and secure radiator cover flap (2) in OPEN position when engine
temperature rises above 180° F (82° C).
(3) If engine temperature should exceed 195° F (91°C), completely remove engine
compartment cover (1) to avoid overheating.
(4) Open and close cover flap (2) as required during arctic operations to maintain
engine temperature within normal operating range of 175° F to 195° F (79° C to 91° C).
c. Operating Fuel Burning Personnel Heater.
Do not operate engine coolant heater control box and personnel
heater control box at the same time.