Disassemble the frame-mounted pump – Goulds Pumps 3298 - IOM User Manual

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Maintenance

11. Inspect and replace these parts as necessary:

Pump group

Step

M and L

Inspect the rear impeller wear ring (203) and remove it if replacement is
necessary.

L

Remove the retaining ring (361H). Then slide or press the magnet
assembly (740A) off the impeller assembly (101).

Figure 26: L group

S, M, and SP, and V

Remove the reverse thrust bearing (197C) from the containment shell
(750) if replacement is necessary.

12. When replacement of the close-coupled drive magnet assembly (740B) is required, remove

and discard the nylok setscrews (222L).
Use a puller and the 2 - 3/8-inch tapped holes provided in order to remove the magnet
assembly from the motor shaft.

Disassemble the frame-mounted pump

1. Place a shaft wrench on the drive shaft (122B) and remove the hex nut (355A).

Figure 27: S, L, M, and SP groups

2. Place three capscrews in the jacking screw holes in the magnet assembly (740B).

Group

Capscrew size

S and SP

5/16 in. by 2 in.

M and L

5/8 in. by 4 in.

3298 Family Installation, Operation, and Maintenance Manual

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