Goulds Pumps JC Installation, Operation And Maintenance Instructions page 31

WARNING: Do not apply heat to the impeller.
1. Remove the casing (100), expeller (262) and hub disc (expeller housing) (184) as one unit
2. Remove bolts (370J) to expose the expeller for inspection.
To Assemble The Wetted End
1. Assemble the casing (100), expeller (262) and hub disc
2. Insert the shaft sleeve into the packed stuffing box so it engages with the recess in the
3. Prior to sleeve installation on the shaft, apply a bead of silastic or silicon sealant on the
4. Carefully slide the whole assembly on to the shaft using the sleeve as a guide until the hub
5. Secure with bolts (370C).
6. Install the impeller by turning it in the clockwise direction taking care to tighten it against the
7. Replace the suction cover liner after applying a liberal amount of anti-seize compound or
8. Install O-Ring (412F).0
9. Replace suction end cover (182) with bolts (370E). Only apply a moderate torque to
10. Check impeller clearance.
Lubrication
To lubricate the seals and purge the stuffing box, use a general purpose waterproof grease.
Several shots of grease should be added to the stuffing box, as little as every three operating
days or as much as every four operating hours, depending upon the severity of the pumpage
abrasiveness. In addition, grease should be added prior to every tenth start-up.
Model JC Installation, Operation and Maintenance Instructions
reverse of this procedure is also possible. By securing the shaft, strike the impeller in the
counter-clockwise direction using a lead or composite mallet.
by only removing bolts (370C) that fasten this assembly to the bearing frame. Leave the
packing and seal cage in the stuffing box to protect the sleeve and carefully slide the whole
unit until it is clear of the shaft.
(184) using bolts (370J) prior to installation on the bearing frame.
expeller. This will act as a guide and center the expeller until the impeller can be installed.
expeller hub faces to seal the rotor assembly.
disc is aligned with the fit and bolt holes in the bearing frame.
expeller and shaft sleeve prior to clearance adjustment. Apply anti-seize or grease to
threads of shaft to make future removal easier.
grease on the outer shoulder. This will also make removal easier in the future.
tighten.
Appendix
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