AR 1980220 Plate Spring
1. What is it?
A plate spring is a thin, flat metal spring used inside the pump.
2. Where is it used?
Used inside AR (Annovi Reverberi) high-pressure washer pumps
Mostly found in the valve assembly area
Fits between valve parts to give tension
3. What does it do?
Gives spring pressure to the valve
Keeps the valve in the correct position
Helps the valve open/close smoothly
Maintains stable water pressure
4. When should you replace it?
When the spring becomes weak or flat
When pressure drops
When valve movement is not smooth
When the plate spring is bent or damaged
5. Simple Tip
Always check the valve seat, valve ball, and plate spring together during pump service.