Fairbanks Horizontal Split-Case Pump 8" 2821

Stop the pump and remove the pipe plug at the bottom of the bearing housing.

Connect a grease gun to the lubrication fittings.

Inject grease until it relieves at the bearing housing cover and drain hole.

Start the pump and monitor bearing temperatures until they stabilize at the normal level.

Stop the unit, wipe off the relieved grease and replace the drain plug.

Start the unit and resume normal operation.

Loosen the gland nuts to allow adjustment with finger pressure

Is there a small flow of liquid to lubricate the packings?

Packing Inspection and Replacement

Has the flow of liquid increased and cannot be reduced by slight tightening of the gland?

Add one ring of packing to the stuffing box if necessary

Does the flow remain excessive after adding packing?

Replace the packing and/or shaft sleeve if necessary

CAUTION: READ THIS ENTIRE PROCEDURE BEFORE PROCEEDING.

Thoroughly clean all parts to remove all oil, grease, and any foreign material.

Inspect all parts for wear or damage and replace if required.

Remove all parts to a clean and dust-free location for assembly.

Replace the following parts with new ones

Impeller Wear Rings Replacement

Select the method for securing the impeller wear rings

Unbolt and remove the glands away from the packing

Use a packing hook to remove the worn packing and water seal rings

Note the location of the water seal rings relative to the amount of packing on each side of the rings

Clean the packing boxes and shaft sleeves

Inspect the shaft sleeves for wear or rough finish and replace if necessary

Lock out the power to the driver and close the suction and discharge valves.

Disconnect and remove the coupling or flexible shafting.

Disconnect and remove all auxiliary piping to the upper casing and bearing housings.

Remove the capscrews securing the upper casing half to the lower half.

Remove the gland nuts and slide the glands off the gland studs.

Install jackscrews in the tapped holes in the upper half casing flange and use them to separate the flanges.