TM 5-4310-451-14
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
Paragraph
Page
Number
Paragraph Title
Number
2-17
General ........................................................................................................................................................ 2-21
2-18
Operation in Dusty or Sandy Areas.............................................................................................................. 2-21
2-19
Operation in Extreme Heat .......................................................................................................................... 2-22
2-20
Operation in Areas of High Humidity, Heavy Rain, or Saltwater .................................................................. 2-22
2-21
Operation in Extreme Cold or Snow ............................................................................................................ 2-22
2-22
Operation at High Altitudes.......................................................................................................................... 2-26
2-23
Fording......................................................................................................................................................... 2-26
2-24
Emergency Engine Stopping ....................................................................................................................... 2-27
2-17.
GENERAL.
a.
This section contains Instructions for safely operating the air compressor unit under unusual conditions.
In additional to normal preventive maintenance, special care must be taken to keep air compressor unit operational in
extreme temperatures and other environmental conditions.
b.
Refer to FM 21-305 and FM 55-30 for information on special driving instructions under unusual conditions.
c.
Refer to FM 9-207 for Information on operation in cold weather.
d.
Refer to FM 90-3 for information on operation in extreme heat, dusty, or sandy conditions.
2-18.
OPERATION IN DUSTY OR SANDY AREAS.
a.
In dusty or sandy areas, guard against sand or dust getting Into air compressor unit.
b.
Clean, inspect, and lubricate air compressor unit more often In sandy or dusty areas.
c.
Clean all filler caps before servicing any lubricant. Ensure that caps are tightened securely after servicing.
d.
Keep governor control rods clean and free of dust or sand. Wipe off any excess oil or grease spilled on air
compressor unit as this will attract and hold dust and sand.
WARNING
Compressed air used for cleaning or drying purposes, or for clearing restrictions, should never
exceed 30 psi (207 kPa). Wear protective clothing (goggles/shield, gloves, etc.) and use caution to
avoid Injury to personnel.
e.
Clean radiator core with compressed air daily or more often if needed. Clear dust and sand out opposite
way it enters radiator.
f.
Ensure that oil cooler fins are clear and free of dust and sand buildup. Keep fan belts adjusted to proper
tension.
g.
Ensure that fan shroud is tight against radiator to prevent recirculation of air. Ensue that radiator cap is
secure.
h.
Clean or change engine and air compressor air cleaners, oil filters, and fuel filters as needed.
i.
If engine temperature rises above 200°F (93 °C), remove load on air compressor unit and allow engine to
Idle until normal operating temperature is obtained.
2-21
