GH5670 Mechanical Fuel Meter Manual

Manual applies to 3/4" and 1" GH5670 meters 

Click HERE to download PDF

About This Manual

This manual is designed to provide you with comprehensive guidance on the installation, operation, and maintenance of your new GH5670 meter. Should you have any questions or require further assistance, please do not hesitate to contact our customer support team at (415) 710-4396. Thank you for choosing Walston Industrial. We value your business and are here to support you every step of the way.

Safety Information

1. NEVER smoke near the meter, or use the meter near open flames when metering a flammable liquid! Fire can result!

2. Threaded pipe joints and connections should be sealed with the appropriate sealant or sealant tape to minimize the possibility of leaks.

3. Storage tanks should be securely anchored to prevent shifting or tipping when full or empty.

4. To minimize static electricity, use only static wire conductive hose when metering flammable fluids, and keep the fill nozzle in contact with the container being filled during the filling process.

5. DO NOT exceed 50 psi / 3.5 BAR line pressure.

6. DO NOT install additional foot valve or check valve without a pressure relief valve; cracking may result.

Installation

The meters are furnished for horizontal piping; left-to-right flow. Flow ports can be changed to any of four positions for horizontal or vertical piping and for either direction of flow. By unscrewing the 4 bolts on the back of the meter, be careful—the meter chamber assembly will be exposed and may fall out.

- Determine direction for fluid to flow.

- Install meter observing directional arrow on casting.

Maintenance

Your Walston Industrial GH5670 Meter should operate virtually maintenance free. Though certain liquids can dry out while in the meter housing, causing the meter to stop or perform poorly. If this happens, the meter should be cleaned thoroughly.

Fluid Compatibility

The GH5670 Meter can be used with the following fuels: Diesel, Gasoline, Kerosene, Mineral Spirits, Heptane, and Hexane.
Meter should NOT be used with the following substances: Bleach, Ink, Hydrochloric Acid, Sulfuric Acid, or Salt Water.

Calibration Procedure

1. Fill a known-volume container (e.g., 5 gal). Note GH5670 reading.

2. If the meter reads high (over-registering) or low (under-registering), locate the CAL screw on the side and remove the cap.

3. Turn the screw clockwise to lower the reading or counterclockwise to raise the reading—turn in 1/8 turns.

4. Repeat test and adjust as needed.

5. Re-cap calibration screw and record calibration date.

Assembly and Disassembly

1. Detach the reset knob by gripping it and pulling it away from the body.

2. Unscrew the two #2 Philips screws on the meter face, gently pull the face assembly away from the meter body.

3. Remove the front meter assembly.

4. Unscrew the two fasteners to remove the counter face.

5. Remove the two screws to take out the internal counter unit.

6. Reassemble by following these steps in reverse.

Warranty

This product is backed by a 1-year limited warranty covering defects in materials and workmanship. Warranty does not cover labor, misuse, or damage caused by improper installation.

Contact Information

Email: service@walstonindustrial.com
Phone: (415) 710-4396
For additional resources and updates, visit our website: www.walstonindustrial.com