
HIGH PRESSURE CONTROL VALVE
Installation, Operation & Maintenance Guide
21
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Model: PO, PC
ASSEMBLY
16 Travel Indicator
Get the Indicator Scale and line up the bottom “closed “
line with the arrow on the Indicator. Use two drive screws
to install it on the Yoke using a ball peen hammer.
NOTE:
Make sure the Travel Indicator Tag shows the correct
operation of the valve either PO or PC.
Insert Breather Plug.
When assembling the Coupling Block, make sure the
bevels are in the same side of the Block.
Place the threaded half Block on back side.
See Fig. 16-1
Tighten the Bolts in the Coupling Block with a socket.
Make sure the Travel Indicator Tag shows the correct
operation of the valve.
In this case we are converting from pressure opening to
pressure close. See Fig. 16-2
Fig. 16-1
Fig. 16-2