Do not allow excessive amounts of water to enter unit.
Water can collect in
electrical component areas and cause electrical shorts.
Frequent cleaning is necessary during which all exposed surfaces should be thoroughly sprayed, rinsed, or sponged with
fresh water to remove salt. The fabric cover on the back of the cabinet should be rolled down and secured during all
periods when the air conditioner is not in operation.
b. Trailer. Salt water will cause rapid rusting of metal parts. After operation is completed, wash the trailer with fresh
water. Have the trailer lubricated frequently by unit maintenance.
2-23. OPERATION IN SNOW.
Trailer. Refer to FM 21-305 for special instructions in snow.
2-24. OPERATION IN MUD.
Trailer. If wheels sink into mud, it may be necessary to jack up the mired wheels and put planking or matting underneath.
Clean off all mud as soon as possible after operation.
2-25. OPERATION IN ROCKY TERRAIN.
Trailer. Use extreme caution when traveling over rocky terrain. Maintain tire pressure of 35 psig (241 kPa) to minimize
damage to tires and tubes.
2-26. OPERATION UNDER EMERGENCY CONDITIONS.
Air Conditioner. NBC (nuclear, biological, chemical). This unit has provisions for connection to an external NBC filtering
source. Should it be necessary to operate in conditions requiring use of NBC filtration equipment, see specific instructions
for your shelter or facility installation. For additional general NBC information, refer to MIL-HDBK-116, Environmental
Control of Small Shelters. The following are general suggestions for operation in NBC hazards and do not apply if they
conflict with instructions for your shelter or facility installation.
a. The vent control should be in fully closed position.
b. The conditioned air inlet louvers should be adjusted (partially or completely) closed in conjunction with the NBC
filter intake volume. This will cause a more positive pressure on inside of shelter or enclosure and keep air from being
2-27. OPERATION USING NATO SLAVE CABLE.
Generator Set. The existing Army slave cable has end connectors with two pins to mate with the slave receptacle in the
generator set. The NATO slave cable has end connectors with one pin. In order to utilize the NATO slave cable on the
generator set, an adapter connector (Appendix E) must be used.
Before using either cable, make sure the master battery switches and all electrical
switches in both the live and dead equipment are in the OFF position. If attempting
to install the cable into live operating equipment, arcing can occur. Personal injury
or damage to equipment may occur.
Trailer. Do not tow trailer through water deeper than 24 in (61 cm). Spray electrical cable connections with ignition
insulation compound. After fording, have wheeling bearings cleaned and packed by unit maintenance.