Square Wave 745NC Non-Contact Dispense Valve
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Valve Disassembly and Reassembly
Procedures (continued)
To replace bullet solenoid
1. Remove spiral wrap (if used) around solenoid wires and air hose.
2. Unplug air line from valve.
3. Unthread the cable connector from the bullet solenoid.
4. Engage wrench flats on bullet solenoid and rotate counterclockwise to
remove. When loose, pull bullet solenoid up slowly to release.
5. Place a light film of PTFE grease on O-rings of new bullet valve.
CAUTION
Installing and threading solenoid into actuation chamber too quickly may
cause damage / breakage of O-rings, leading to air leaks and bullet solenoid
malfunction.
6. Install the replacement bullet solenoid by rotating the solenoid
clockwise until it is fully tightened.
7. Reconnect the bullet solenoid cable and the air line.
8. Turn air pressure ON.
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