Gorman-Rupp Pump 66B2-B

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

Pump and Seal Disassembly and Reassembly

Ensure safety precautions are followed

Clean and reinstall the drain plugs

Provide adequate ventilation and ensure no smoking

Wear static-resistant clothing and shoes

Clean up all fuel spills immediately

Loosen the coupling on the pump drive shaft

Lubrication — Oil Lubricated Bearings

Check the oil level at the oil cup

Remove the air vent if lubrication is required

Add SAE No. 30 non-detergent oil through the hole if lubrication is required

Lubrication — Oil Lubricated Bearings

Refill the bearing housing with clean oil

Is the pump operated continuously or in an environment with rapid temperature change?

Change the oil more frequently if necessary

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.