Solinst 464 125 psi Use and care manual

Control Unit Solenoid Valve Assembly Replacement
High Quality Groundwater and Surface Water Monitoring Instrumentation
(Page 1 of 2)
Model 464 125 psi
®Teflon is a registered trademark of DuPont Corp.
Continued on page 2.
Tools and Materials Needed
1. 464 Solenoid Valve Assembly - 125 psi (Spare) (#111383)
2. 3/32" Allen Key
3. Small Utility Knife
4. 7/16" Wrench
5. 9/64" Allen Key
6. Teflon®Tape (for stainless steel threads)
7. Any suitable plastic adhesive (e.g. silicon)
Instructions
1. Turn the Control Unit off and remove the batteries.
2. Use the 3/32" Allen key to undo the four hex screws on the sides
of the Control Unit.
Hex
Screws
Hex
Screws
3. Remove the panel from the Control Unit and flip it over to access
the Solenoid Valve Assembly.
Panel
4. Use the small utility knife to break any adhesive seal that is holding
the Solenoid connector to the circuit board.
Solenoid Valve
Assembly
5. Carefully, pull to remove the Solenoid connector from the circuit
board.
464 Solenoid Valve Assembly - 125 psi (Spare)
Solenoid
Connector
Solenoid
Connector
6. Remove the tubing from the three fittings on the Solenoid Valve
Assembly, by pushing on the “grasping ring” on the fitting (to
release tubing) and pulling the tubing out.
Fitting “Grasping Ring”
Fitting “Grasping Rings”

Printed in Canada
January 22, 2014
(#111382)
(Page 2 of 2)
For further information contact: Solinst Canada Ltd.
Fax: [phone] Tel: [phone]
35 Todd Road, Georgetown, Ontario Canada L7G 4R8
Web Site: www.solinst.com E-mail: [email protected]
7. Use the 9/46" Allen key to remove the two screws holding the old
Solenoid Valve Assembly to the bracket.
8. Use the wrench to unscrew the two elbow connectors and one
stainless steel connector from the old Solenoid Valve Assembly.
9. Remove the three red plugs from the new Solenoid Valve Assembly
Unscrew
Elbow
Remove
Screws
Unscrew
Elbow
Note: Wrap Teflon tape around the threads of the stainless steel
connector.
11. Mount the new Solenoid Valve Assembly to the bracket using the
two screws.
12. Push the tubing into the three fittings. Refer to the photo on
Page 1, to ensure proper connection.
13. Reconnect the Solenoid connector to the circuit board. After
connection, add a small amount of adhesive to the outside of the
connector to help secure it to the circuit board.
14. Place the panel in the Control Unit case and reinstall the four hex
screws.
15. Reinstall the batteries. Test the Control Unit to ensure proper
connections were made when replacing the Solenoid Valve
Assembly.
Plugs
Plug
10. Screw the two elbow connectors and one stainless steel connector
into to the new Solenoid Valve Assembly.
Unscrew
Connector
®Solinst is a registered trademark of Solinst Canada Ltd.