Bell & Gossett In-Line Mounted Pump 615

Replace any part that does not meet the required criteria

Clean the pump parts in solvent to remove oil, grease, and dirt

Protect machined surfaces while cleaning to prevent equipment damage

Remove the spring retainer and seal spring

Pry the compression ring off the seal boot

Insert a standard screwdriver under the seal head and carefully pry the seal head off the shaft

Ensure the shaft sleeve is not scratched

Use a small screwdriver to loosen and remove the seal seat and gasket

Remove the eight capscrews that hold the bearing assembly or adapter ring to the volute.

Insert a long punch between the impeller vanes or grasp the impeller with a strap wrench to prevent the impeller from turning.

Remove the impeller nut, lockwasher, impeller, and adapter ring.

Seal Parts and Coverplate Removal

Select the type of bearing assembly

Allow all system and pump components to cool before handling to prevent physical injury.

Close the isolation valves on the suction and discharge sides of the pump. Drain the system if no valves are installed.

Is the liquid still flowing from the drain valve?

Leave the drain valve open until reassembly is complete.

Drain the liquid from the piping.

Is it necessary to flush the pump?

Is the groove deeper than 1/16 in. (1.6 mm)?

Is the wear more than 1/32 in. (0.8 mm)?

Verify the new impeller is securely installed