TM 5-3825-229-14&P
2-25. OPERATION IN EXTREME HEAT
a.
Semitrailer. Refer to TB 43-0239 for maintenance and operations under desert conditions.
b.
Water Distributor. The water distributor engine is equipped with a high-temperature shutdown switch. If engine
temperature is too high, this switch will cause the engine to shut down. The engine must be allowed to cool down
before restarting. Operation at a lower engine speed may be necessary to remain in operation at high ambient
temperatures. For maximum cooling, keep the engine radiator clean and free of obstructions.
2-26. OPERATION IN RAINY OR HUMID CONDITIONS
Inspect, clean and lubricate inactive equipment frequently to prevent rust and/or fungus from accumulating.
2-27. OPERATION IN SALT WATER AREAS
Salt water will cause metal parts to rust and corrode. Clean, inspect and lubricate frequently.
2-28. OPERATION IN SNOW
Refer to FM 31-70 for special instructions on operation in snow.
2-29. OPERATION IN MUD
CAUTION
Do not tow, pull, or push semitrailer by rear bumper. This may cause damage to the
equipment.
a.
Reduce tire pressure to 35 psi (241 kPa) for operation in mud.
b.
Be sure to return tire pressure to 75 psi (517 kPa) after operation in mud.
c.
After operation in mud, clean, inspect and lubricate all equipment.
2-30. OPERATION IN DUSTY OR SANDY AREAS
a.
Reduce tire pressure to 35 psi (241 kPa) for operation in beach or desert sand.
b.
Be sure to return the pressure to 75 psi (517 kPa) after sand operation.
c.
After operation in sand, clean, inspect and lubricate all equipment.
d.
Clean, inspect and lubricate all equipment more frequently.
e.
In dusty conditions it may be necessary to clean the radiator and change the engine air filter more often than
normal.
2-40
