Liquid Controls Flow Meter MA-7

Look for gaps when disassembling the meter

Check for gaps between the bearing plate and housing using a feeler gauge

Check the bearing plates for flatness with a straight edge

Are there any shock problems causing the gaps?

Have shock problems been resolved?

Contact your full-service distributor for assistance if shock problems exist

Remove flange gaskets when removing the flange assembly

Carefully scrape off the flange gaskets

Ensure the flange surface has been scraped clean

Confirm that no old flange gaskets are reused

Ensure all internal pressures are relieved and all liquid is drained from the system.

Verify that the pressure is 0 psi.

Close all liquid and vapor lines between the meter and liquid source.

Refer to local authorities and relevant NFPA Codes for safety rules.

Are all pipes supported independently of the meter?

Can the meter and accessories be removed without affecting the pipes or pipe alignment?

Handling Precision Machined Surfaces

Identify the condition of the O-rings

Do the O-rings need replacement?

Is there a sign of shock problems?

Replace damaged O-rings if necessary

Describe any shock problems observed

Check the bearing plates for flatness using a straight edge

Are there any warped bearing plates?

If shock problems exist, contact your full-service distributor for assistance