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HIGH PRESSURE MOTOR VALVES REPAIR MANUAL
HPMV ASSEMBLY
STEP 1
DIAPHRAGM ASSEMBLY
CASE 1
BOLTED DIAPHRAGM NUT:
Tighten Diaphragm Base Plate in Vice
(Fig. 1.1)
Insert Diaphragm on the Diaphragm Plate
aligning holes with both parts (Fig. 1.2)
Figure 1.1 Figure 1.2
Insert Diaphragm Plate in to Base Plate
making sure holes are aligned (Fig. 1.3)
Use gasket sealant material to dip each
screw in before putting in hole. Tighten
screws in a criss-cross pattern and then
retighten very tight (Fig. 1.4)
CASE 2
THREADED DIAPHRAGM NUT:
Figure 1.3 Figure 1.4
Tighten Diaphragm Plate in vice and
insert Diaphragm on the Diaphragm Plate
(Fig. 1.5)
Grease the Diaphragm inside edge (Fig.
1.6)
Figure 1.5 Figure 1.6
Insert the Diaphragm Nut and use a pair
of pliers to tighten (Fig. 1.7)
Note: Make sure the Diaphragm does not
wrinkle.
STEP 2
STUFFING BOX ASSEMBLY
Insert Wiper in the Stuffing Box (Fig. 2.1)
Figure 1.7
Insert the retainer with the sharp edge on
top (Fig. 2.2)
Figure 2.1 Figure 2.2
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