TM 5-4310-371-14
CHAPTER 2
OPERATING INSTRUCTIONS
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS
2-1. OPERATOR CONTROLS:
a. Air Receiver Drain - Screw type valve located on the bottom of air receiver, used to drain condensation build-up
from air receiver. (See figure 2-1, item 1.)
b. Globe Valve - Screw type valve with handle located at motor end of air receiver, which turns air flow on and off to
inflator gage. (See figure 2-1, item 2.)
c. Starter Switch - Push button type mounted to the air receiver mounting bracket, used to stop and start motor.
(See figure 2-1, item 5.)
2-2. OPERATOR INDICATORS:
a. Visible Sight Oil Level Gage - Small round clear disc with oil level line on the face. It is located on the rear of
compressor pump body near the bottom and indicates oil level. (See figure 2-1, item 6.)
b. Pressure Gage - Clear face dial on air receiver next to motor. It indicates air pressure in the air receiver. (See
c. Safety Valve - A brass pressure release valve located on the air receiver next to the compressor pump. Its
function is to allow air pressure to escape from the air receiver, i.e., unit malfunctions. (See figure 2-1, item 4.)
Section II. OPERATOR/CREW PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS).
2-3. SCOPE.
a. This section contains preventive checks and services for the safe and efficient use of the compressor unit. Each
item to be inspected is followed by a check(s) which should be performed prior to the starting and use of the
compressor unit. The interval required for said check(s) is also indicated. The compressor unit will be reported
not ready/available when any check has found any of the inspected items to be loose, damaged, or missing.
2-1
