Bell & Gossett Booster Pump PL-130/3

Clean, drain, and refill closed heating and cooling systems with clean water

Is the system pH between 7 and 9?

Ensure the system is filled and vented

Is the system completely vented?

Check for leaks at all joints with gaskets while pressurizing the body slowly

Check for any leakage around the pump

Inspect the pump for any signs of wear or damage

Ensure all connections are secure

Listen for unusual noises during operation

Record any issues found during inspection

Instructions for Repairing Mechanical Seal

Follow steps from section 'REMOVAL OF PUMP FROM EXISTING SYSTEM FOR REPLACEMENT'

Loosen and remove the four capscrews holding the motor housing to the pump body

Remove the housing from the pump body

Place the pump on a flat work surface

Insert a screwdriver into one of the endplate ventilation slots to engage a rotor cooling fin

Turn the impeller clockwise and remove it from the shaft

Remove the seal assembly from the shaft by sliding it off the shaft sleeve

Clean the seal seat and inspect for grooving or cracks