2-16. UNUSUAL ENVIRONMENT/WEATHER CONDITIONS-Continued
Operation on Unusual Terrain.
Mud. Use 1st gear when driving through mud to prevent digging in. If temperatures will freeze, park on
solid ground or put branches back under track. Clean tracks, roadwheels, and sprockets.
Snow. Go up grades as straight as possible and avoid sharp turns.
When snow is soft or fine, drive cautiously.
Ice. Drive carefully and steadily on ice. If vehicle starts to skid, let off accelerator.
Sand. Be careful not to spin tracks. If tracks spin, slow down and move steadily. Do not let engine labor
for too long. It might overheat. When traveling in soft sand, do not make any sharp turns in 1st gear.
Tracks will be thrown because of sand buildup in suspension system. Wide turns should be made in 2nd or
Dust. Check air cleaner restriction gage located directly above air cleaners and clean filter daily (see para.
FORDING AND SWIMMING.
General. You may have to drive vehicle into water during operations. Normal fording (without extra equipment)
is allowable up to 56 in. (1422 mm). Perform following when fording:
Reel in main winch cable until light pressure is applied between clevis (1) and opening (2) to reduce
entrance of water.