TM 5-4310-369-14
Section III. TECHNICAL PRINCIPLES OF OPERATION
Compressor
through the intercooler much of the heat of compression is
The compressor is a three-cylinder, two-stage, air cooled
dissipated. The second stage is similar to the first. The com-
unit. It will deliver 5 cfm of air at 175 psi to the air receiver
pressed air from the low pressure cylinder enters the high
tank when belt-driven by the gasoline engine running at a
pressure cylinder and is recompressed to higher pressure.
speed of 3,600 rpm (revolutions per minute). Filtered air as
shown in figure 1-3 is drawn into the low pressure cylinders
Engine
1-18.
at atmospheric pressure as the pistons move down. Air is
The Air Compressor is driven by a Military Standard
Model 1A08-111, 1.5 HP gasoline engine. Refer to
compressed when the pistons are moving upward; this action
closes the inlet valves and opens the outlet valves, through
TM 5-2805-256-14 for a description of the engine.
which the air is forced into the intercooler. As the air flows