River Pump Loses Pressure Cyclically: Air Leak + Filter Clogging

1.5 HP Jet Pump: Pressure Drops, Air Spits, Repeats

15 ft suction, 15 ft lift to sprinklers. Pump cycles pressure loss → air → recovery.

Dual Problem

1. Suction air leak: Tiny drip = huge air leak. Test: pressurize suction with house hose, spray soapy water.
2. Filter clogging: River debris loads filter during run, clears when off. Watch filter gauge while running.

Fix Both

• Fix all suction leaks (check valve, fittings, foot valve).
• Clean filter more often or upsize filter.