Bell & Gossett In-Line Mounted Pump 609

WARNING: Use a new gasket when reinstalling the bearing assembly to prevent injury or damage.

Wipe the bearing bores clean and remove any rust or scale deposits with a fine emery cloth.

Insert the new wave spring into the rear bearing bore.

Insert the shaft assembly into the housing and install and tighten the retaining screws.

For cast iron bearing assemblies, was the coverplate installed on the housing?

Select the type of housing for lubrication instructions

Disconnect and lock out electrical power before installing or servicing the unit.

Always disconnect and lock out power to the driver before performing any installation or maintenance tasks.

Turn off and lock out power to the motor.

Disconnect the power leads from the motor leads.

Remove the conduit and power leads from the conduit box.

Support the motor and remove the four screws that hold the motor to the 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 flow stopped from the drain valve?

Repair isolation valves if they are not 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

Tighten the setscrew over the dimple if applicable

Tighten the setscrews for size 4J or 5J coupler if applicable

Position the coupler half on the motor shaft

Tighten the setscrew over the dimple if applicable

Place the new insert in the pump side coupler half

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