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HIGH PRESSURE CONTROL VALVE
Installation, Operation & Maintenance Guide
10
Model: PO, PC
DISASSEMBLY
6 Pivot Sleeve, Diaphragm Plate, Diaphragm Nut
Use a small adjustable wrench to hold the Upper Stem
in place by the flats and spin the Diaphragm Plate in a
counter clock wise direction loosening it from the Upper
Stem. See Fig. 6-1
NOTE:
Peel the Diaphragm edge away from the Yoke,
rotate the Diaphragm Assembly off the Upper Stem inside
the Yoke See Fig. 6-1
Flip the Diaphragm Assembly over and remove the
Diaphragm Nut by using a hammer and punch.
See Fig. 6-2
Diaphragm
Assembly
Flats on
Upper Stem
Diaphragm
Nut
Fig. 6-2
Fig. 6-1
Diaphragm
Diaphragm Plate
Yoke