3-11. PNVS NSA INSTALLATION ON NIGHTSIDE TEST BENCH. (CONT)
Ensure that hands and feet are clear of base assembly to prevent injury.
When system is inflated, equipment is capable of movement. Any
movement could cause injury if caution is not taken.
(3) On rear of pneumatic control panel (1, figure 3-17), flip toggle valve (2) down (on). System
should inflate and stabilize E/O test bench set. Measure gap at all four corners of base and
verify that it is 1/4-inch to 3/8-inch. If all four gaps are not equal, refer to TM 11-6625-3081-23-
HIGH PRESSURE AIR
To prevent damage to equipment, do not adjust high pressure air above
125 PSI on pneumatic control panel.
(4) On rear of pneumatic control panel (1, figure 3-18), verify that source gage (2) indicates a
maximum of 125 PSI. Verify that the other three gages show a PSI indication. Gages will not
indicate same pressure.
(5) Using flat side of a screwdriver tip, press and hold bleed/drain valve (figure 3-19) to drain any
moisture within the system. Exercise caution not to damage bleed/drain valve.
Figure 3-17. Toggle Valve and Bleed/Drain Valve Locations