32
VERSION 01/2018
ORDER NUMBER DOC 2340851
Cobra 40-10 / 40-25
7.5
BASIC CLEANING
Flush regularly
Regular flushing, cleaning and maintenance ensures the pumps' high pumping and
suction capacity.
The cleaning and flushing agents used must be compatible with the working
material.
WARNING
Incompatibility of flushing / cleaning agent with the working medium!
Risk of explosion and danger of poisoning by toxic gases.
Examine the compatibility of the flushing and cleaning agents and working media
on the basis of the safety data sheets.
Procedure
6
1
9
2
7
4
5
B_04240
3
1. Visual check: personal safety equipment, grounding
and all devices ready to use.
2. Place empty tank (5) under return tube (4).
3. Place suction hose (7) in a tank with cleaning agent
(6).
4. Adjust the pressure regulator (1) to approx. 0.05 MPa;
0.5 bar; 7.25 psi.
Flushing via return tube
5. Open relief valve (3).
6. Slowly open the ball valve (2).
7. Adjust the air pressure on the pressure regulator (1)
so that the pump runs smoothly.
8. Rinse the system until the cleaning agent that flows
into the tank (5) is clean.
9. Close ball valve (2).
Flushing via spray gun
10. Reverse the relief valve (3).
11. Point the spray gun, without nozzle, into the tank (5) and open it.
12. Slowly open the ball valve (2).
13. Flush until clean cleaning agent flows from the spray gun.
14. Close ball valve (2).
15. When there is no pressure remaining in the system, close the spray gun.
16. Secure the spray gun.
17. Dispose of the contents of the tank (5) according to the local regulations.
Note:
B_01219
V
During the flushing procedure, briefly press both valve
depressors (V).
7.5.1 FILLING WITH WORKING MATERIAL
After basic flushing, the pump can be filled with working material. Proceed according to
Chapter
, but use working material instead of flushing agent.
Summary of Contents for Cobra 40-10
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