37
VERSION 01/2018
ORDER NUMBER DOC 2340851
Cobra 40-10 / 40-25
8.2.5 FILLING THE EMPTY PUMP
WARNING
Gas mixtures can explode if there is an incompletely filled pump!
Danger to life from ying parts.
Ignition of potentially explosive surrounding atmosphere.
Empty and ll the device slowly and in a controlled manner.
Avoid potentially explosive atmosphere in the surroundings.
1. Visual check: personal safety equipment,
grounding and all devices ready to use.
6
1
9
2
7
4
5
B_04240
3
2. Place grounded collection tank (5) under the
return tube (4).
3. Place the suction hose (7) in a grounded tank with
working material (6).
4. Close pressure regulator (1) (0MPa; 0bar; 0psi).
5. Open relief valve (3).
6. Slowly open the ball valve (2).
7. Slowly turn the air pressure up on the pressure
regulator (1) and only until the pump is running
normally (approx. 0–0.05MPa; 0–0.5 bar; 0–7.25
psi).
Be ready to switch from working material to air and
prevent back spray.
8. Close ball valve (2) as soon as pure working
material starts coming from the return tube (4).
9. Close relief valve (3).
10. Point the spray gun, without nozzle, into the tank (5) and open it.
11. Slowly open the ball valve (2). Be ready to switch from working material to air and
prevent back spray.
12. As soon as pure working material without air bubbles is owing, close ball valve (2).
13. Close and secure the spray gun.
14. Depressurization in accordance with Chapter 7.4.
15. Dispose of the contents of the tank (5) according to the local regulations.
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