Bell & Gossett P82893D Series 60 In-Line Centrifugal Pumps - Manual (Page 24)

Remove the motor and coupler
WARNING:
• Disconnect and lock out electrical power before installing or servicing the unit.
• Always disconnect and lock out power to the driver before you perform any installation
or maintenance tasks. Failure to disconnect and lock out driver power will result in
serious physical injury.
1. Turn off and lock out power to the motor.
2. Remove the conduit box cover.
3. Disconnect the power leads from the motor leads.
4. Remove the conduit and power leads from the conduit box.
5. Support the motor and then remove the four screws that hold the motor to the bearing
assembly.
6. On pumps with spring type couplers, remove the motor side coupler half from the
motor shaft.
7. Pull the motor off of the bearing assembly.
8. Remove the coupler:
If your coupler type is... Then...
Spring Almost completely back out the coupler setscrews and then slide the pump-side
coupler half off of the motor shaft.
Elastomeric Loosen the coupler setscrews and remove the coupler halves from the pump and
motor shafts.
Remove the bearing assembly and impeller
WARNING:
Pressure might be present in the pump body. You can relieve this pressure by loosening
the eight volute capscrews and shifting the bearing assembly slightly in order to allow the
pressurized water to escape. Failure to follow these instructions can result in serious
personal injury or death.
1. Remove the eight capscrews that hold the bearing assembly or adapter ring to the
volute.
2. Remove the bearing assembly.
3. Insert a long punch between the impeller vanes or grasp the impeller with a strap
wrench in order to prevent the impeller from turning.
4. Remove the impeller nut, lockwasher, impeller, and adapter ring.
5. Remove these items from the bearing assembly:
If your bearing
assembly is...
Then...
Cast iron 1. Remove all of the seal parts and the coverplate.
2. Remove the seat and seat gasket from the coverplate.
3. Remove the three screws that hold the bearing cap in place.
Aluminum Remove the two bearing-holder retaining screws that are located at the bottom of the
coupler cavity.
6. Pull the shaft assembly from the bearing bracket.
If necessary, strike the coupler end of the shaft with a soft-faced hammer in order to
remove the assembly.
Maintenance
22 Series 60 Installation, Operation, and Maintenance Manual