63
PROTEC 2K
OPERATING MANUAL
VERSION 02/2016
ORDER NUMBER DOC2352824
Circulate fl ushing agent
10. Route circulation hoses (6 and 7) into product tanks A and/or B (no lids).
11. Fill product tank A (8) and if necessary B (9) with approx 2 to 3 liters of fl ushing agent each.
If the hardener is not being changed, tank B can be left empty.
12. Ensure circulation mode: Blue handle (3) is turned up.
13. Close 2K air pressure regulator (1) (0 MPa; 0 bar; 0 psi).
14. Slowly open 2K air ball valve (2).
15. Slowly turn the air pressure up on the 2K air pressure regulator (1) and only until the
pump is running normally (approx. 0–0.05 MPa; 0–0.5 bar; 0–7.25 psi). Be ready to
switch from working material to air and prevent back spray.
16. Allow fl ushing agent to run for several minutes so that the circulation hoses are
thoroughly fl ushed.
Clean the inner walls of product tank A (and if necessary B) with a separate damp brush
and fl ushing agent.
With external circulation (option): Switch several times between internal
circulation with blue handle (3) and external circulation with handle (61).
17. Close 2K air ball valve (2).
18. Repeat from Point 3 to this point if necessary.
Empty suction hoses
19. Points 3 to 9: Use circulation to empty product tanks.
20. Remove product tank A (8) and if necessary B (9) from trolley.
If the hardener is not being changed, intake hose B does not have to be emptied.
21. Loosen hose connections at inputs of fl uid sections A (and if necessary B).
22. Empty hose contents into empty, separate, and grounded tanks.
23. Refi t hoses on fl uid sections A (and if necessary B).
24. Secure product tank A (and if necessary B) to trolley. Route circulation hoses back into
product tanks.
End circulation operating mode
25. Turn down blue handle (3) again.
With external circulation: Blue handle (3) at bottom, handle (61) at top.
Empty using ball valves A + B
26. - When system without return hoses at the ball valves A and B (17 and 18):
For A and B, place one empty, grounded collection tank each under the ball valves
A and B (17 and 18).
- When system with return hoses at the ball valves A and B (17 and 18):
Guide the return hoses (43 and 44) into empty, separated and grounded collection
tanks.
27. Open ball valves A and B (17 and 18).
28. Slowly open 2K air ball valve (2). Be ready to switch from working material to air and
prevent back spray.
29. Convey empty product tanks A and B. Be ready for the switch from working material
to air. Turn down 2K air 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).
30. As soon as working material is no longer fl owing from the return tube, close the 2K air
ball valve (2).
31. If necessary, top up fresh fl ushing agent and repeat from Point 26 to this point.
32. Close ball valves A and B (17 and 18).
Summary of Contents for PROTEC 2K
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