Solinst 464 Mk3 250 psi Replacement

Pressure regulator knob

Tools and Materials Needed

1. 464 Pressure Regulator Knob Assembly – 250 psi

(Spare) for the Control Unit (#114048)

2. Small Flat Screwdriver

3. Large Adjustable Wrench

4. 17 mm Socket Wrench

5. 9/32" Socket Wrench

6. 300 psi Pressure Source (Compressed Gas Cylinder)

1. Turn the Pump Control Unit off. Disconnect the pressure supply

line.

Pressure

Regulator

Knob

2. Use a small ﬂat screwdriver to pry the plug from the pressure

regulator knob.

® Solinst is a registered trademark of Solinst Canada Ltd.

(Page 1 of 2)

Pressure Regulator Knob Replacement

High Quality Groundwater and Surface Water Monitoring Instrumentation

464 Pressure Regulator Knob Assembly –

250 psi (Spare) for the Control Unit (#114048)

3. Use the adjustable wrench to stabilize the knob while loosening the

nut from the inside of the knob using the 17 mm socket wrench.

Note: You may want to use a cloth around the knob to prevent further

damage to the old knob.

4. Unscrew and remove the nut and knob from the stem of the

pressure regulator assembly.

Note: Save the nut to use when installing the new knob.

Model 464 Mk3 250 psi

...Continued overleaf

Table of Contents

Do you have a question about the 464 Mk3 250 psi and is the answer not in the manual?

Page 1 4. Unscrew and remove the nut and knob from the stem of the pressure regulator assembly. Note: Save the nut to use when installing the new knob..Continued overleaf ® Solinst is a registered trademark of Solinst Canada Ltd. High Quality Groundwater and Surface Water Monitoring Instrumentation (Page 1 of 2)
Page 2 Press ﬁrmly into place. 11. Test the Control Unit to ensure proper connections and pressure settings were made. For further information contact: Solinst Canada Ltd. Printed in Canada August 9, 2018 Fax: +1 (905) 873-1992; (800) 516-9081 Tel: +1 (905) 873-2255; (800) 661-2023...