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Operating manual Piston Pump EvoMotion 5-125

8 Cleaning and Maintenance

42 Order number 2316596 | Edition 03/2021

2. Place an empty, grounded collection tank (5) under the return tube (3).

3. 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 (3), close the ball

valve (2).

6. Close return valve (3).

Emptying the product line

1. Relieve the system's pressure upstream of the valve (4) in accordance with the

superordinate operating manual. Open the valve (4).

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 the valve (4).

5. Carry out pressure relief in accordance with Chapter Pressure Relief / Work Interruption

[834].

6. Dispose of the contents of the tank (5) according to the local regulations.

WAGNER EvoMotion 5-125 User Manual

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