WAGNER EvoMotion 20-30 Original Operating Manual page 42

Operating manual Piston Pump EvoMotion 20-30
8 Cleaning and Maintenance
A
1
2
B
3
7
4
6
System example EvoMotion 20-30 for the AirCoat procedure.
A closed
1. Visual check: personal safety equipment, grounding and all devices ready to use.
2. Place an empty, grounded collection tank (5) under the return tube (4).
3. Place the suction hose (7) in an empty, grounded tank (6).
4. Close pressure regulator (1) (0 MPa; 0 bar; 0 psi).
Emptying via return line
1. Open return valve (3).
2. Slowly open the ball valve (2).
3. Slowly dial up the air pressure at the pressure regulator (1) until the pump operates
smoothly (approx. 0.05 MPa; 0.5 bar; 7.25 psi).
4. Be ready for the switch from working product to air. Turn down pressure regulator (1)
far enough that the pump is still running normally (approx. 0–0.05 MPa; 0–0.5 bar; 0–
7.25 psi).
5. As soon as working product is no longer flowing from the return tube (4), close the ball
valve (2).
6. Close return valve (3).
Emptying up to the gun
1. Point the spray gun, without nozzle, into the tank (5) and open it.
2. Slowly open the ball valve (2). Be ready for the switch from working product to air.
3. As soon as no more working product is flowing, close the ball valve (2).
4. Close and secure the spray gun.
42
9
8
5
B_06887
B open
Order number 2333553 | Edition 09/2020