OPERATING IN SNOW
Refer to paragraph 2-13 for cold weather starting instructions.
If vehicle is equipped with arctic winterization kits, refer to paragraphs 2-44 and 2-45 for description and
Operating on snow or ice requires use of tire chains on forward-rear axle tires. Refer to FM 21-305 for
installation of tire chains.
Attempting operation with only one driving wheel equipped with tire chain may result in damage to tire
and/or power train.
Use tire chains on forward-rear-axle-tires. For M939 series vehicles place chains on
outside tires. Remove as soon as mission allows.
If tire chains are not available, deflate tire pressure to 25 psi (172 kPa). Reinflate to normal pressures
after operating in snow (table 1-10).
Remove chocks (7) from vehicle wheels if used.
Place transmission selector lever (8) in 1-5 (drive) and transfer case shift lever (9) in low range. Slowly
accelerate without causing wheels to spin or engine to race. Place transfer case shift lever (9) in high range when under