Pump Priming. All you need to know!
Some difficulties may be expected in priming the pump at the commencement of the season. The following procedure is suggested:
If the pump will not prime, there is probably an air leak in front of the pump. It could be that:
On older pumps, if the pump priming is difficult, there may be a leak between the pump and the pump motor. A worn pump seal will suck air and make priming difficult and should be replaced.