2-20. OPERATION IN UNUSUAL WEATHER (CONT)
a. Extreme Cold (Cont).
(b) Run the engine at reduced speed only long enough to circulate the oil
through the engine, then increase speed and warm-up the engine. Low idling speeds
during extremely cold temperature can result in incomplete combustion and heavy
deposit formations on the valves.
(c) Cover the radiator if necessary to bring engine up to operating tempera-
(7) At Halt or Parking.
Park loader in sheltered place if possible. Close cab doors and windows
accessories and controls from ice and snow.
Run loader onto planks to prevent tires from freezing to ground. Block up
Be sure you clean wet snow or mud from tires and cylinders before it
In extremely cold weather, remove the batteries and store them in a mod-
erately warm area. Reinstall the batteries just before starting the engine.
b. Extreme Heat.
(1) General. Check temperature gages and lights frequently for indication of
overheating. Allow engine to idle slowly when it is overheated until temperature is
reduced indicated by gage pointer dropping into the green zone.
(2) Cooling System.
Drain, flush, and refill cooling system.
Check coolant level at frequent intervals and keep radiator cap tight.
Be sure that radiator is free of bugs, dust, and other foreign matter.
Check drive belts tension frequently.
(3) Lubrication. Lubricate the loader with correct grade of lubricants in ac-
cordance with the lubrication chart. Change filter elements at shorter intervals
(4) Air Cleaner. Service air cleaner at shorter than normal
(5) At Halt or Parking. Park the loader in a shaded area if