Emptying Pump - WAGNER Zip 52 Finishing Operating Manual

VERSION 11/2018

8.2.4 EMPTYING PUMP

WARNING
Gas mixtures can explode if there is an incompletely filled pump!
Danger to life from flying parts.
Ignition of potentially explosive surrounding atmosphere.
Empty the device slowly and in a controlled manner.
Avoid potentially explosive atmosphere in the surroundings.
If the pumping product becomes heated, switch off all heaters and let the product
cool off.
1. Visual check: personal safety equipment, grounding and all
devices ready to use.
2. Place an empty, grounded collection tank (7) under the return
tube (6).
3. Place the suction hose in an empty, grounded tank (8).
4. Close the pump pressure regulator (1) and atomizing air
pressure regulator (3) (0 MPa; 0 bar; 0 psi).
Emptying via return line
5. Open return valve (5).
6. Slowly open the air cut-off valve (4).
7. Slowly turn air pressure up on the pressure regulator (1) and
only until the pump is running normally (approx. 0.15 MPa; 1.5
bar; 21.75 psi).
8. Be ready for the switch from working material to air.
9. As soon as working material is no longer flowing from the
return tube (6), close pressure regulator (1).
10. Close return valve (5).
Empty up to the gun
11. Point the spray gun, without nozzle, into the tank (7) and open it.
12. Slowly open pressure regulator (1). Be ready for the switch from working material to air.
13. As soon as working material is no longer flowing, close the pressure regulator (1).
14. Close and secure the spray gun.
15. Depressurization in accordance with Chapter 7.4.
16. Dispose of the contents of the tank (7) according to the local regulations.
ORDER NUMBER DOC 2332848
Zip 52 Finishing
9
3
2
1
9
8
closed
1
open
6
5
4
7
5
6
7
3
8
B_06949
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