TM 5-3610-285-14
2-3.3 Vacuum Pump System. Produces the vacuum used by the vacuum frames. It is composed of the following
components:
a. Vacuum pumps (2). Vacuum pumps are single pumps and motors. The outer end plate, body, rotor, and
mounting bracket are all cast iron. The vanes are made of hard carbon and are precision ground. The motor is thermally
protected and will automatically restart when the protector resets. (Refer to paragraph 2-3.4c for electrical description.)
b. Vacuum Gages (2). Used to indicate amount of vacuum created in vacuum frames. Indicates from 0-30 lbs.
of pressure.
c. Vacuum Bleed Valves (2). Used to bleed the vacuum from the vacuum frames. Valves are needle type
valves. Rotating knob to the left will open valve, to the right will close the valve. Can be used to control vacuum
pressure.
2-5
