Solinst 464 250 psi Configuration guide

Control Unit Solenoid Valve Cleaning Instructions
High Quality Groundwater and Surface Water Monitoring Instrumentation
(Page 1 of 2)
Model 464 250 psi (sold between September 2013 and January 2016)
Continued on page 2...
Tools and Materials Needed
1. 3/32" Allen Key
2. Small Utility Knife
3. 7/64" Allen Key
4. 11/16" Wrench
5. 14 mm Wrench
6. 1/2" Wrench
7. 7/16" Wrench
8. Cotton swab
9. Distilled water
10.Any suitable plastic adhesive (e.g. silicone)
Instructions
Hex
Screws
Hex
Screws
3. Remove the panel from the Control Unit and flip it over to
access the Solenoid Valve Assembly.
Panel
4. Push down on the fittings to remove the three black tubes
from the Shuttle Valve Assembly, and the two clear tubes
from the Solenoid Valve Assembly (photo shows black tubes
removed).
Solenoid Valve
Assembly
5. Use the 7/64" Allen Key to remove the three screws from the
bracket holding the Shuttle Valve Assembly, and carefully slide
the Shuttle Valve Assembly out from the bracket.
Shuttle Valve
Assembly
Remove
Tubes
Bracket
Remove
Tube
Remove
Tubes
Solenoid
Connector
6. Use a small utility knife to break any adhesive holding the
Solenoid Connector to the Circuit Board. Unplug the Solenoid
Connector from the Circuit Board.
7. Use the appropriate wrenches to remove the two fittings
(shown on Page 2) from the Shuttle Valve Assembly. Twist to
remove the Solenoid Valve Assembly from the Shuttle Valve
Assembly.
Note: These Instructions are for Model 464 250 psi Control Units sold
between September 2013 and January 2016.
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.

Printed in Canada
January 22, 2016
(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]
8. Unscrew the brass fitting from the Solenoid Valve Assembly,
and remove the magnetic plunger.
®Solinst is a registered trademark of Solinst Canada Ltd.
Note: The photo above shows the tubing fittings and Shuttle Valve
Assembly fitting removed from the Solenoid Valve Assembly,
you do not need to remove these.
12.Screw the Solenoid Valve Assembly into the Shuttle Valve
Assembly. Screw the two fittings back into the Shuttle Valve
Assembly (see top left photo for proper connections).
13. Plug the Solenoid Connector back into the Circuit Board,
and apply a small amount of adhesive to the outside of the
Connector to help secure it to the Circuit Board.
14. Slide the Shuttle Valve Assembly back into place under the
bracket and secure it using the three screws.
15. Push the three black tubes back into the fittings on the Shuttle
Valve Assembly. Use the photo on Page 1 to ensure correct
connections.
16. Push the clear tubes into the fittings on the Solenoid Valve
Assembly. Use the photo on Page 1 to ensure correct
connections.
17.Place the panel in the Control Unit case and reinstall the four
hex screws.
18.Reinstall the batteries. Test the Control Unit to ensure proper
connections were made and the Solenoid is now functioning.
Solenoid Valve
Assembly
Shuttle Valve
Assembly
9. Inspect the small rubber circular pad on the end of the plunger.
If this pad is damaged, dented, etc. the Solenoid will not seal
properly, therefore you may need a new Solenoid Valve
Assembly. (Contact Solinst). See photo below comparing a
damaged pad to a pad in good condition.
11.Ensure the o-ring is properly seated inside the brass fitting.
Insert the magnetic plunger back into the Solenoid Valve
Assembly, and screw the brass fitting back onto the Assembly.
Magnetic
Plunger
Steel Fitting Brass
Fitting
O-ring
Magnetic
Plunger
10.To clean the Assembly, use a cotton swab and distilled water
to clear any debris and dirt from inside the brass fitting, around
the o-ring, steel fitting and from the magnetic plunger.