2-11. Operation in Extreme Heat.

TM 5-4940-228-14 WARNING Inhalation of exhaust gases can result in serious illness or death. Do not operate the engine in an enclosed area unless the exhaust gases are piped to the outside. d. Allow engine to warm-up for approximately 3 minutes before applying load. 2-11. Operation in Extreme Heat. c. Check respirators frequently to be sure they are in good condition and not clogged with dirt. 2-13. Operation Under Rainy or Humid Condi- tions. a. High humidity and rainy weather conditions can cause deterioration of exposed metal parts. Make every effort to protect the Paint Spray Outfit from the elements. If the Paint Spray Outfit is not to be used for a period of time, either move it to a shelter or protect it by covering with a tarpaulin. a. Locate the cart mounted compressor unit in a b. Keep gasoline tank full to eliminate condens- well ventilated area that will allow maximum ation. Remove and clean fuel filter bowl daily amount of cool air to circulate through engine and (Refer to TM 5-2805-257-14). compressor. c. Lubricate wheel bearings more frequently b. Check oil levels frequently. Fill if necessary. than normal. c. Keep outside of engine and compressor clean. Dirt acts as an insulator which prevents heat from escaping into the air. d. Fill the gasoline tank at the end of each day’s operation to prevent accumulation of vapor within the tank. 2-12. Operation in Dusty Areas. a. Protect the Paint Spray Outfit from dust and sand as much as possible. Cleanliness is important to proper cooling. b. Check the air cleaners on both the engine and compressor frequently, clean or replace as required. When adding or checking oil levels, remove dirt from around the openings. Keep oil and gasoline containers covered, dust-free and tight. 2-14. Operation in Salt Water Areas. a. The deterioration and corrosion of exposed metal is greatly accelerated in salt water areas. All parts of the unit should be wiped dry whenever the unit is shut down. b. If the Paint Spray Outfit is not to be used for a long period of time, apply an approved preservative to all exposed metal parts. 2-15. Operation at High Altitudes. a. A decrease in engine and compressor effi- ciency will be observed at high altitudes. Less air is drawn into the cylinders. b. Service the air cleaners on both engine and compressor daily to assure maximum air intake. 2-12