TB 9-4920-367-35
MSC04501
Figure 1. Vacuum and pressure check - equipment setup
f. Close exhaust valve, metering valve, shutoff valve, and inlet
valve on
pneumatic
pressure controller.
g. Energize vacuum pump (B10).
h. Open nitrogen tank
(B3) valve and
adjust regulator (B5) until
gage indicates 22
psi.
WARNING
To prevent injury to personnel or damage to equipment, make
certain that all components are within the range of the unit to
be calibrated and all connections are securely sealed prior to
applying pressure to TI. Never attempt to tighten connections
with pressure applied.
5