VEHICLE OPERATION IN EXTREME COLD ENVIRONMENT, -26 F TO -65 F (-32 C TO -54 C)

TM 9-2320-391-10

VEHICLE OPERATION IN EXTREME COLD

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ENVIRONMENT, -26 F TO -65 F (-32 C TO -54 C)

INITIAL SETUP:

Maintenance Level

References

Operator

FM 31-70

GENERAL

This work package provides the data and procedures for operating the M1078A1 series

vehicles in an extreme cold environment, -26 F to -65 F (-32 C to -54 C).

ENGINE START IN EXTREME COLD ENVIRONMENT.

WARNING

Wear arctic clothing when cab temperatures fall and remain below

30F (-1C). Cold stress preventative measures in FM 31-70 should

be applied when vehicle cab temperatures fall and remain below 30

F (-1 C). Failure to comply may result in serious injury or death to

personnel.

Do not touch extremely cold metal (below -26 F [-32 C]). Bare skin

may freeze to cold metal. Failure to comply may result in injury to

personnel.

CAUTION

When ambient temperature rises above 25F (-32C), vehicle must not be

operated with arctic belts installed. Notify Field Maintenance. Failure to comply

may result in damage to equipment.

Do not leave vehicle running unattended with flaps fully closed in temperatures

above 25F (-32C). Operating temperature is 165F (74C) and 210F (100C).

Failure to comply may result in damage to equipment.

Perform the following four steps in order shown. Failure to comply may result in

excess discharging of batteries, resulting in vehicle being unable to start.

Operate cargo bay heater on low (WP 0047 00) (Vehicles equipped with cargo bay

heater).

Warm batteries via buddy hose from slave receptacle on operational vehicle with

cargo bay heater (WP 0047 00).

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