Bell & Gossett In-Line Mounted Pump 605

Replacement of Gaskets and O-Rings

Inspect the seats for smoothness and physical defects

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.

Lubricate the OD of the rear bearing with grease

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

For cast iron bearing assemblies, install the coverplate on the housing.

Adapter Ring and Gasket Installation

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

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

WARNING: Relieve pressure in the pump body

Remove the eight capscrews holding the bearing assembly or adapter ring to the volute

Prevent the impeller from turning

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

Remove items from the bearing assembly

If cast iron bearing assembly, remove seal parts and coverplate

Remove seat and seat gasket from the coverplate

Remove the three screws holding the bearing cap in place