Hydra-Flex Aqua-Lab SD Operating Manual - Manual (Page 8)

Operating Manual
© Hydra-Flex Inc 2011 - 5 -
Solenoid Valve Replacement
1. Start by removing the nut and washer from the top of the solenoid coil.
2. Remove the coil and set aside.
3. Unscrew and remove the valve assembly using the larger (1 1/8”) steel hex closest to the plastic
manifold body.
4. Screw in new valve assembly
5. Set coil back on plunger and tighten down with nut and washer
Air Operated Valve Replacement
1. Start by removing the air line from the elbow on the valve.
2. Remove the push connect elbow on the valve and set aside.
3. Unscrew and remove the valve assembly.
4. Screw in new valve assembly.
5. Install push connect elbow into valve.
6. Push air supply line back into elbow.