a) Two packing rings
b) One lantern ring (two-piece)
c)
Three packing rings
NOTICE:
Make sure that the lantern ring is located at the flushing connection to ensure that flush is ob-
tained. Failure to do so may result in decreased performance.
4.
Install the gland halves and evenly hand-tighten the nuts .
6.6.10.3 Seal the shaft with a cartridge mechanical seal
WARNING:
The mechanical seal used in an Ex-classified environment must be properly certified.
CAUTION:
Running a mechanical seal dry, even for a few seconds, can cause seal failure and physical
injury. Never operate the pump without liquid supplied to the mechanical seal.
1.
Slide the cartridge seal onto the shaft or sleeve until it contacts the inboard labyrinth oil seal.
2.
Assemble the seal chamber.
3.
Slide the cartridge seal into the seal chamber and secure using the four studs and nuts.
4.
Continue with the pump reassembly.
5.
Set the impeller clearance.
Refer to the Impeller clearance setting topic for more information.
6.
Tighten the setscrews in the seal locking ring in order to secure the seal to the shaft.
7.
Remove the centering clips from the seal.
6.6.10.4 Seal the shaft with a conventional inside-component mechanical
seal
WARNING:
The mechanical seal used in an Ex-classified environment must be properly certified.
CAUTION:
Running a mechanical seal dry, even for a few seconds, can cause seal failure and physical
injury. Never operate the pump without liquid supplied to the mechanical seal.
1.
Assemble the seal chamber:
a) Install a seal-chamber cover or a backplate (184) and fasten with nuts (370H) with .
6.6 Reassembly
Model CV 3196 i-FRAME Installation, Operation, and Maintenance Manual
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