TM 9-2330-211-14&P
2-10. OPERATION IN RAINY OR HUMID CONDITIONS
Inspect, clean, and lubricate inactive equipment often to stop rust and fungus from forming on it.
OPERATION IN SANDY OR DUSTY AREAS
2-11.
CAUTION
Do not tow, pull, or push semitrailer by rear bumper. Damage to equipment may result.
1.
Clean, inspect, and lubricate more often in dusty or sandy areas.
2. Reduce tire pressure to 45 psi (310 kPa) while operating the semitrailer in beach and desert sand. Return tire
pressure to 100 psi (690 kPa) after sand operation.
2-12. OPERATION IN SNOW
Refer to FM 21-305 for special instructions on operation in snow.
2-13.
OPERATION IN MUD
CAUTION
Do not tow, pull, or push semitrailer by rear bumper. Damage to equipment may result.
Reduce tire pressure to 60 psi (414 kPa) while operating the semitrailer in soft mud.
1.
2. If one or more wheels sink into the mud, you may need to jack up the mired wheel and put planking or matting
under it.
3. Clean off all mud after operation. Return tire pressure to 100 psi (690 kPa).
2-14. OPERATION IN SALTWATER AREAS
Saltwater will cause early rust and corrosion. Clean, inspect, and lubricate often.
OPERATION IN ROCKY TERRAIN
2-15.
Reduce tire pressure to 60 psi (414 kPa) when moving on rough or rocky terrain.
1.
Before driving over stumps or rocks, ensure that the semitrailer can clear them. Such objects can damage
2.
components on the underside of the semitrailer. Beware of low hanging tree limbs that can damage cargo.
Do not operate without a serviceable spare wheel and tire assembly. There is a greater chance of tire puncture
3.
during operation on rough or rocky terrain.
Return tire pressure to 100 psi (690 kPa) after operation on rough or rocky terrain.
4.
FORDING
2-16.
Before fording, check the bottom surface condition. If bottom surface is too soft, do not ford.
1.
After fording, apply the brakes a few times to help dry out the brakeshoe linings. Ensure that the semitrailer
2.
brakes are working properly before driving at normal speeds.
Drain areas where water has accumulated and dry all wet surfaces.
3.
Lubricate all unpainted surfaces. Dry all lubrication points and lubricate them (para 3-2).
4.
2-22