Solinst 464 125 psi Use and care manual

Pressure Gauge Replacement
Model 464 125 psi
High Quality Groundwater and Surface Water Monitoring Instrumentation
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Tools and Materials Needed
1. 464 Panel Mount Gauge 1/8" NPTM (Spare) (#111806)
2. 3/32" Allen Key
3. Flat Screwdriver
4. 14 mm Wrench
5. Teflon Tape
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
5. Use the flat screwdriver to loosen the two screws from the metal
ring holding the Pressure Gauge in place.
Panel
Pressure Gauge
3. Remove the panel from the Control Unit and flip it over to access
the Pressure Gauge.
®Solinst is a registered trademark of Solinst Canada Ltd.
Pressure Gauge
464 Panel Mount Gauge 1/8" NPTM (Spare) (#111806)
4. Push down on the white “grasping ring” on the elbow fitting and
pull to remove the tubing from the elbow on the Pressure Gauge.
Note the orientation of the elbow; you will reattach it to the new
Pressure Gauge in a similar position.
White”Grasping Ring”
6. Twist to unlock the metal ring from the Pressure Gauge, then
remove the ring and the Pressure Gauge from the panel.
7. Use the 14 mm wrench to remove the elbow fitting from the old
Pressure Gauge.
Teflon is a registered trademark of DuPont.
Note: You may wish to remove other tubes in order to more easily access
the Pressure Gauge. Ensure they are properly reconnected after
the new Pressure Gauge is installed.
8. Wrap Teflon tape around the threads on the new Pressure Gauge
and screw the elbow fitting onto the threads. Note the orientation of
the elbow when tightening; you should match its original position.

Printed in Canada
July 26, 2016
(#110858)
(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]
12. Ensure the elbow fitting is oriented correctly (see photo) and push
the tubing into the fitting. (Reconnect any other tubes that you may
have previously disconnected.)
9. Slide the new metal ring with the screws into place on the back of
the panel.
10. From the front of the panel, insert the new Pressure Gauge through
the opening. Ensure it is oriented properly.
11. Line up, and twist the metal ring onto the new Pressure Gauge to
lock it into place. Tighten the two screws and ensure the Pressure
Gauge is still positioned correctly on the front of the panel.
13. Place the panel in the Control Unit case and re-install the four hex
screws.
14. Reinstall the batteries. Test the Control Unit using compressed
air to ensure proper connections were made when replacing the
Pressure Gauge.
Note: The photo below shows how the metal ring lines up with the
slot in the side of the Pressure Gauge. The ring slides into
the slot, and is twisted to lock in place.