Bell & Gossett In-Line Mounted Pump 616

Position the coupler half on the pump shaft

Select the pump shaft type and coupler size

Tighten the setscrew over the dimple if applicable

Slide the coupler half on the shaft and tighten setscrews if applicable

Position the coupler half on the motor shaft

Tighten the setscrew over the dimple if applicable

Slide the coupler half on the motor shaft without tightening setscrews if applicable

Place the new insert in the pump side coupler half

Check for the following conditions on the impeller

Ensure the pump is turned off and isolated from power supply

Remove the pump casing to access the impeller

Carefully remove the old impeller

Install the new impeller ensuring it is securely fitted

Test the pump to ensure proper operation after replacement

Install the new coupler on the pump shaft

Ensure the coupler setscrew is seated in the shaft dimple

Lift the motor into position and attach the motor side coupler half

Ensure the coupler setscrew is seated in the shaft dimple on the motor side

Support the motor and install the four screws that hold the motor to the bearing assembly

Attach the conduit and power leads to the conduit box

Connect the power leads to the motor leads

Clean the shaft sleeve and seal seat recess

Polish the sleeve using crocus cloth without scratching or gouging

Install the seat gasket and seat into the seal recess

Lubricate the seal boot with soapy water

Slide the complete seal head over the shaft

Ensure the carbon ring contacts the seat and driver protrusions engage in the carbon notches

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.