Do not use gasoline or cleaning compound to remove
oil or grease spots from tarpaulin. Use only water and a
scrubbing brush. Failure to follow this caution will
Cover inactive semitrailer with tarpaulins if no other shelter is available. Tarpaulins are subject to
deterioration from mildew and attacks by insects or vermin, so shake out tarpaulins and air them
weekly for several hours. Clean mildewed tarpaulins with a dry scrubbing brush. Do not clean with
water until mildew is removed. If mildew is found, examine tarpaulin to determine if it is rotted or
weakened. Replace it if damaged. If it is not damaged, treat as outlined in FM 10-16.
Semitrailer inactive for long periods in hot, humid weather are subject to rusting and accumulation
of fungi growth. Frequently inspect, clean, and lubricate to prevent deterioration.
OPERATION IN HIGH HUMIDITY AND SALTWATER AREAS
Since dampness increases chances of corrosion, inspect all surfaces and electrical connections for
signs of corrosion and remove them. Apply silicone compound (item 6, WP 0174 00) to all electrical
Protect semitrailer from direct rainfall whenever possible.
Prevent moisture from entering fuel supply.
Clean, inspect, and lubricate semitrailer frequently when operating in saltwater areas
(refer to WP 0035 00).
OPERATION IN MUD OR SNOW
After each operation, remove ice and snow from underneath semitrailer and from hoses, lines,
tubes, and electrical connections.
Refer to FM 21-305 for special instructions on driving hazards in snow.
Immediately after operation in mud or snow, thoroughly clean, inspect, and lubricate if tactical
situation permits (refer to WP 0035 00).
OPERATION IN DUSTY OR SANDY AREAS
Clean, inspect, and lubricate semitrailer frequently when operating in dusty or sandy areas (refer to