Bell & Gossett In-Line Mounted Pump 610

WARNING: Relieve pressure in the pump body

Prevent the impeller from turning

Remove items from the bearing assembly

Pull the shaft assembly from the bearing bracket

Replace any part that does not meet the required criteria

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

Ensure machined surfaces are protected during cleaning to prevent equipment damage

Check for the following conditions

Ensure the equipment is powered off and locked out

Remove the casing to access the impeller

Carefully remove the old impeller

Install the new impeller ensuring proper alignment

Ensure all system and pump components have cooled before handling

Is the system drained if no valves are installed?

Open the drain valve and wait until liquid stops flowing

Are the isolation valves sealing properly?

Leave the drain valve open until reassembly is complete

Position the coupler half on the pump shaft

Select the pump shaft type and coupler size

If dimpled, ensure setscrew is positioned over the dimple and tightened

If keyed with size 4J, ensure shaft extends 0.25 in. past the coupler half flange face and setscrews are tightened

If keyed with size 5J, ensure shaft is flush with the coupler half flange face and setscrews are tightened

Position the coupler half on the motor shaft

If dimpled, ensure setscrew is positioned over the dimple and tightened

If keyed, ensure coupler half is slid onto the motor shaft without tightening setscrews