AR 1540170 JET D.10 Shutter
1. What is it?
A shutter/valve plate used inside AR car washer pumps.
It controls the flow of water inside the pump.
2. Where is it used?
Inside AR (Annovi Reverberi) high-pressure pump valve system
Fits in the valve assembly along with valve seat, guide, and spring
Used in car washer machines
3. What does it do?
Opens and closes with water pressure
Helps the pump build proper pressure
Controls water direction inside the pump
Stops backflow (water going backwards)
4. When should you replace it?
Pump pressure becomes low
Water flow becomes weak
Pump starts pulsing
Shutter is cracked, bent, or worn
5. Simple Tip
Always check the valve seat, valve spring, and guide piston when replacing the shutter for best pump performance.