Gorman-Rupp Pump 64K32-B

Inspect the impeller for cracks or wear

Does the impeller have wear rings?

Is the impeller cracked or badly worn?

Replace the impeller if it is cracked, badly worn, or has wear rings that require replacement

Slide the impeller onto the shaft

Secure the impeller with the tab washer and impeller nut

Pump and Seal Disassembly and Reassembly

Ensure safety measures are in place

Familiarize yourself with the manual

Has the pump completely cooled if overheated?

Is the temperature safe before opening any covers, plates, or plugs?

Vent the pump slowly and cautiously

Ensure safety practices for volatile and/or flammable liquids

Shaft and Bearing Removal and Disassembly

Is there evidence of wear or damage on the shaft and bearings?

Place a drip pan under the bearing housing before removing the shaft and bearings.

Remove the oil cup and drain the bearing cavity if equipped with oil-lubricated bearings.

Disengage and remove components

Use an arbor or hydraulic press to remove the oil seal from the bearing cap.

Tap the shaft and assembled bearings from the bearing housing using a block of wood.

Remove the oil seal from the bearing housing if equipped.

Clean and inspect the bearings in place.

Refer to special instructions in Body Cover Replacement if replacement is needed.

Install a new body cover gasket.

Use a soft-faced mallet to tap the body cover into place on the dowel pins.

Secure the body cover with the attaching hardware.

Are the dowel pins fully seated into the body cover?

Return the pump to the factory if body cover replacement is required.

Install a new body cover gasket.

Remove the seal retaining ring with caution

Remove the spring centering washer

Lubricate the shaft and work oil up under the rubber bellows

Slide the rotating portion of the seal off the shaft

Use a stiff wire with a hooked end to remove the stationary seat and O-ring

Ensure no damage to the seal faces

Seal Reassembly and Installation

Clean the seal cavity and shaft with a cloth soaked in fresh cleaning solvent