Pearson Pump Won't Build Pressure
If the Pearson Pump is not building pressure, especially directly after a rebuild/service, more often than not the valves were not properly reset. Any time the Pearson Pump is opened for service, it is imperative to reset these valves to the proper position.
Note that the Pearson Pump is designed to receive a seal kit service at 2,500hr intervals, and a full rebuild at 10,000hrs.
Please see below for a guide on resetting the valves from the seal replacement manual:
To attempt to remedy t...