UGSI Encore 700, Operation And Maintenance Manual

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CF.440.400.001.IM.0417
ENCORE
®
700 METERING PUMP
41
h. Clean the bellow clamp and remove any sharp edges along the area that
makes contact with the bellow seal. Do the same to the plunger.
i. Apply silicone grease to the O-ring and position it into the gearbox.
j. Hold and centralize the plunger while inserting the adapter. Ensure that it
fi ts freely into the gearbox.
k. Tighten the four bolts diagonally. On the 1-3/8" Diaphragm,
temporarily secure the adapter in position.
l. Lubricate the bellow clamp and install it into the plunger, pressing lightly
against the bellow seal. On the 1-3/8" Diaphragm, tighten the nut against
the bellow clamp.
m. Install the diaphragm spacer, if used, and thread the diaphragm
assembly to the plunger against the bellow clamp. Rotate the pump input
shaft to extend the diaphragm for a better grip.
n. Turn the pump shaft until the diaphragm outer diameter is sitting fl at, without
strain, against the spacer.
o. Assemble the remaining parts in the reverse order in which they were
disassembled.
Table 4.2 - Recommended Torque Values
Recommended Torque
Head Size Head Screws
Cartridge Valve Clamp-
ing
1-3/8" 45 to 60 in-lbs
20 to 25 in-lbs
2" 45 to 60 in-lbs
3" 60 to 70 in-lbs
4" 60 to 70 in-lbs
5" 60 to 90 in-lbs
6-1/2" 60 to 90 in-lbs