TM 10-4930-351-14
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NOTE
Turning valve stem of a turn changes pressure approximately 1 psi.
5.
Turn valve stem as shown in figure 5B clockwise to increase pressure; counterclockwise to decrease pressure.
6.
Tighten nut (figure 4, 7) to lock valve stem (8).
GAUGE
TUBE
Figure 3. Pressure Control Testing
7.
Place the housing bodies (2 and 3) together, align holes in bodies, and install screws (6) and nuts (4) finger tight.
8.
Position stand (10) and install screws (5) and nuts (4) finger tight.
9.
Torque nuts installed in steps 7 and 8 to 20 foot-pounds (2.77 m-kg).
10. Install capscrew (1).
11. Retest pilot valve using procedure in pilot valve testing paragraph.
12. Readjust and retest until shut off pressure is 5.00 psi 0.50 psi.
13. Perform step 1 through 4 above, and remove and replace O-rings (9) with new O-rings coated with silicone compound.
14. Perform steps 7 through 10 above.
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