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MAINTENANCE INSTRUCTIONS 2/2
13. Clean the strainer and all channels of the housing bottom part with an air gun.
14. Screw in the new test knob(5) using a 14mm wrench (max. torque 7Nm.).
15. Place the new piston valve plunger and spring(3) in the housing bottom part.
16. Tighten the valve plug using a 10mm Allen key (max. torque 10Nm).
17. Replace the strainer and tighten the plug using a 10mm Allen key (max. torque 10Nm).
18. Place the new housing gasket(4).
19. Screw in the new operator valve(2) using a 13mm wrench (max. torque 7Nm).
20. Place the new operator(1) and O-ring(6) and screw the valve top nut on to the valve (max.
torque 0,5Nm).
- Make sure to push the operator all the way down.
21. Replace the housing bottom part and tighten the 4 housing bolts using a 6mm Allen key (max.
torque 10Nm). Reconnect the outlet hose.
- Make sure the housing gasket is properly placed between the housing parts.
22. Slowly pressurise the system.
23. Press and hold the TEST button to check the pneumatic valve function.
24. Your drain is ready for operation!
* Check the drain periodically by pressing the TEST button. A purging sound must be heard.
