Goulds Pumps VIT - IOM - Manual (Page 34)

Runout of
driver shaft
Procedure
8. Position and install the drive collar of the seal by tightening the setscrews using the instructions from
the mechanical seal manufacturer.
9. Save the seal spacer or eccentric washer.
You can use these in order to hold the correct seal spacing in the event that you have to remove the
seal. You must loosen the seal setscrews to re-adjust the impellers.
10. Seals that use half-dog-point setscrews might require that the shaft be spot faced or drilled in order to
provide a secure placement:
a) Cover the seal and seal housing.
b) Remove the setscrews one at a time from the collar and spot face or drill the shaft and then
tighten the setscrews into position.
c) Remove any metal chips in order to avoid damage to the seal.
Assemble a single inside-mounted mechanical seal
Single inside-mounted mechanical seals have these characteristics:
• They are cartridge seals.
• They have glands and sleeves.
• They are assembled as a unit by the seal manufacturer.
Follow the special instructions from the seal manufacturer in the event that non-cartridge seals are installed.
Assemble the seal:
If the seal is... Then...
An O-ring type Assemble the complete unit over the shaft.
Use care when you pass the sleeve and O-ring over the keyways or threads to
avoid damaging the O-ring.
Installation (Continued)
32 Model VIT Installation, Operation, and Maintenance