TM 5-4310-393-14
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
Paragraph
Page
2-13
Operation in Extreme Cold...................................................................................... 2-16
2-14
Operation in Extreme Heat ..................................................................................... 2-16
2-15
Operation in Dusty or Sandy Areas ......................................................................... 2-16
2-16
Operation in Rainy or High Humidity Conditions ....................................................... 2-16
2-17
Operation in Salt Water Areas ................................................................................ 2-16
2-18
Operation at High Altitude....................................................................................... 2-16
2-13. OPERATION IN EXTREME COLD.
a.
Use proper engine and compressor oil for cold weather. See lubricants in paragraph 3-6
WARNING
DEATH OR SERIOUS INJURY COULD OCCUR IF FUEL IS NOT HANDLED
CAREFULLY. USE IN A WELL VENTILATED AREA AWAY FROM OPEN FLAME,
ARCING EQUIPMENT, IGNITION SOURCES, HEATERS, OR EXCESSIVE HEAT.
ENGINE MUST BE TURNED OFF AND COOL BEFORE REFUELING. USE PROPER
REFUELING PROCEDURES AND EQUIPMENT TO AVOID SPILLAGE. DO NOT RUN
ENGINE NEAR OPEN FUEL CONTAINERS.
DO NOT SMOKE.
b.
Keep fuel tank full to prevent condensation. Condensation can freeze and clog fuel lines, filters, and injectors
c.
Cold Weather Starting.
1.
Remove engine belt guard cover and remove belt from engine pulley.
2.
Pull out on extra fuel button.
3.
Fill cold start aid device at top of cylinder head with crankcase oil and replace cap (Note: Do not prime more
than two times consecutively)
CAUTION
ENGINE LOCKUP COULD OCCUR IF OIL IS POURED INTO CENTER OF COLD
START ASSIST. TAKE CARE TO FILL COLD START ASSIST CUP FROM THE SIDE.
4.
Follow normal start procedures and allow engine to run for 10 minutes. Stop engine
5.
Reattach belt to engine pulley and reinstall engine belt guard cover.
6.
Follow normal start procedures (paragraph 2-9, step b).
2-14. OPERATION IN EXTREME HEAT.
The engine and compressor are air cooled Heat can be removed from those units in three ways engine exhaust,
lubrication oil, and the passage of air across and through cylinder fins and cooler coils When operating In high ambient
temperatures, observe the following.
a.
With engine stopped, inspect frequently to be sure that cylinder cooling fins are clean and free of dirt. Dirt inhibits
cooling
2-15
