Hydra-Flex Aqua-Lab MD Operating Manual - Manual (Page 10)

Operating Manual
© Hydra-Flex Inc 2011 - 10 -
Air Operated Valve Replacement
1. Shut off valve to MD5 manifold
2. Disconnect air line from front of valve
3. Unscrew quick connect fitting by hand (DON’T LOSE BLACK WASHER)
4. Unscrew valve assembly from black manifold
5. Screw new valve into manifold (hand tighten should be enough, if not wrench 1/8 turn)
6. By hand, screw quick connect fitting to front of valve – Hand Tight ONLY
7. Push air line back into fitting
8. Turn on valve to manifold
Unscrew from
manifold using
this portion of
valve