GF NeoFlow Betriebsanleitung Seite 33

Instruction manual
Dismantling
ATTENTION!
Exiting medium!
Injury or material damage due to exiting medium. The following requirements must be met for carrying out the next steps:
► The NeoFlow pressure reducing valve must be removed from the piping system, see section «7.3 Removal of the NeoFlow pres-
sure reducing valve» on page 26.
► The control system must be dismantled, see section «7.4 De-installation of the control system» on page 28.
1. Fully open the adjusting screw pilot valve (1) counter clockwise until the pilot spring (7) is released. Note: if the pilot spring (7) is
fully released, the adjusting screw pilot valve (1) can be turned manually without resistance.
2. Remove the 8 bolts (5) of the spring casing (4). Lift the spring case (4) off.
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3. Remove the upper spring guide (6) and the pilot spring (7).
4. Unscrew the locknut (8) from the diaphragm bolt (13) and remove all other components from the diaphragm bolt (13). Visually
check the diaphragm (12) for wear or damage and replace if needed. Reassemble the component.
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NeoFlow pressure reducing valve
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