Quantcast Operation In Extreme Heat and High Humidity

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TM 9-2330-380-14&P
2-21. Operation In Extreme Cold (cont'd)
d. Refer to FM 9-207 for description of operation in extreme cold.
e. Refer to Appendix I for proper lubrication during extreme cold weather conditions.
f. Clean all parts of semitrailer. Remove snow, ice and mud as soon as possible after operation. Perform
AFTER operations PMCS checks (refer to Table 2-1).
g. At Halt or Parking
(1) When halted for short shutdown periods, park semitrailer in a sheltered spot out of the wind. If no
shelter is available, park so the rear of the semitrailer faces into the wind. For long shutdowns, if high
and dry ground is not available, prepare a footing of planks or brush.
(2) Clean all parts of the semitrailer of snow, ice and/or mud as soon as possible after operation. Perform
AFTER operation PMCS checks (refer to Table 2-1).
(3) Gage tires for correct pressure.
XM1063:
Highway ................................................................................................
70 psi
(482.65 kPa)
Cross-country .........................................................................................
45 psi
(310.28 kPa)
Soft sand, mud or snow ..........................................................................
45 psi
(310.28 kPa)
M129A4 .......................................................................................................
70 psi
(482.65 kPa)
2-22. Operation In Extreme Heat and High Humidity
a. Refer to Appendix I for proper lubrication during extreme heat conditions. Adequate lubrication
is essential. Extreme heat will cause oil films to evaporate, resulting in inadequate lubrication.
b. Keep tires protected from direct sunlight to prevent increases in air pressure and deterioration of
rubber.
c. Cover inactive semitrailer with tarpaulins, if they are available and there is no other shelter.
Shake out and air canvas covers or other items subject to deterioration from mildew or attacks
by insects or vermin for several hours weekly.
d. Semitrailers, inactive for long periods of time in hot, humid weather, are subject to rapid rusting
and accumulation of fungi growth. Frequently inspect, clean and lubricate to prevent excessive
deterioration.
e . Protect semitrailer from direct rainfall, if possible.
f. Dampness increases corrosive action. Inspect painted surfaces and electrical connections more
frequently for damage.



 


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