Remove The Back Pull-Out Assembly - Goulds Pumps 3700 Installation, Operation And Maintenance Manual

Maintenance
You must drain the system if no valves are installed.
2. Open the drain valve.
Do not proceed until liquid stops coming out of the drain valve. If liquid continues to flow
from the drain valve, the isolation valves are not sealing properly and you must repair them
before you proceed.
3. Leave the drain valve open and remove the drain plug located on the bottom of the pump
housing.
Do not reinstall the plug or close the drain valve until the reassembly is complete.
4. Drain the liquid from the piping and flush the pump if it is necessary.
5. Disconnect all auxiliary piping and tubing.
6. Remove the oiler bottle and store it in a safe place.
7. Remove the coupling guard.
8. Remove the coupling spacer.
Follow the coupling manufacturer's instructions for assistance.
9. Disconnect the coupling.

Remove the back pull-out assembly

CAUTION:
Never remove the back pull-out assembly without assistance.
1. Remove the casing stud nuts.
WARNING:
• If you must use heat to remove parts, you must drain all liquid and remove all vapor. To do this,
2. Tighten the jackscrews evenly, using an alternating pattern, in order to remove the back
pull-out assembly.
You can use penetrating oil if the adapter to the casing joint is corroded.
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58 Model 3700, API Type OH2 / ISO 13709 1st and 2nd Ed. / API 610 8/9/10/11th Ed. Installation, Operation, and Maintenance
purge the casing, seal chamber, and so forth, with dry compressed air or inert gas.
Seal chamber cover
Jackscrew
Manual