TM 5-4310-344-34
Figure 1-2. Air System Schematic
1-4.
SPECIFICATIONS.
exhaust air to atmosphere if the pressure exceeds a
predetermined value. The valves close (reseal)
automatically, preventing the further escape of air, when
a.
Compressor Assembly.
normal pressures are restored.
Type......................................... Reciprocating piston
5. The function of the timer is cause the
Number stages................................................ Three
dump valve to evacuate moisture condensate from the
Operating speed (nominal) ........................ 3750 rpm
moisture separator at controlled intervals at standard
Discharge air pressure (rated) ......... 3100 100 psig
operating pressures. At 30 minute intervals the timer
Air pumping capacity
will cause the motor to op. As the dump valve on the
(rated speed and discharge
moisture separator is maintained in the closed position
pressure; sea level inlet).........................4.0 scfm
by compressor pressure, the dump valve will open
Cooling ................................................................Air
whenever the compressor stops or pressure is lost,
Lubrication:
Method .................................... Pressure and mist
6. Replaceable rupture discs installed in
Lubricant ..............................FSN 9150-753-4667
the cap of the moisture separator assembly and 2nd and
Oil sump capacity (approx) ............... 1 U.S. pints
3rd stage cylinders provide a blowout relief factor which
safeguards the pneumatic system against excessive air
b.
Electric Motor.
pressure in the event the relief valves fail to function.
Operating voltage.......................................... 27VDC
Current draw ........................................ 150 amperes
1-3.
RECORD AND REPORT FORMS.
Horsepower......................................................... 3.5
Revolutions per minute .................................... 3750
a. For record and report forms applicable to
c.
Moisture Separator.
operator, crew, and organizational maintenance, refer to
TM 38-750.
Rupture disc burst
pressure .................................. 4700-to 5700 psig
1-2.1
