Tyre Inflator - Mehr - AL40

The Mehr Tyre Inflator (AL40) is a general-purpose tool featuring an all-alloy body with a rubber-...

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Product Information

Full details

The Mehr Tyre Inflator (AL40) is a robust, manual tool designed for automotive enthusiasts and workshop technicians who need a reliable, high-quality solution for general low-volume tyre inflation. Featuring a durable all-alloy body and dual-calibrated pressure monitoring, it provides precise control for various inflation tasks, though it is intended for manual use and requires an external air supply to operate effectively.

All features

Model Part NumberAL40
BrandMehr

Extended Product Information

FAQs

Can I use this for high-pressure industrial tyres?

The AL40 is rated for 10-210 lbf/in² and is primarily intended for general, low-volume use rather than heavy-duty industrial high-pressure applications.

Does this include an air compressor?

No, the Mehr AL40 is an inflator tool and requires a separate external compressed air source to function.

What units of measurement does the gauge display?

The gauge is dual-calibrated, showing both lbf/in² (PSI) and bar units.

Is the gauge replaceable?

While the rubber guard is designed to protect the unit, the internal gauge is a precision component. If it fails, contact the manufacturer regarding repair or replacement services.

What kind of valve does this fit?

It features a single clip-on connector suitable for standard tyre valves commonly found on most passenger and light commercial vehicles.

Troubleshooting

Air leaking at the valve connection

Check the rubber seal within the clip-on connector for wear or debris and clean or replace it as necessary.

Inaccurate pressure readings

Ensure the air line pressure is stable and check that the gauge lens is clean. If the needle sticks, the internal mechanism may need professional recalibration.

Slow inflation speed

Verify that your air compressor supply is set to the correct operating pressure and check for kinks in the supply hose.

Pros and Cons

Pros

  • Durable all-alloy construction for longevity
  • Easy-to-read dual-calibrated pressure gauge
  • Rubber guard protects the gauge from drops
  • Reliable clip-on valve connector for hands-free convenience

Cons

  • Requires an external air source
  • Designed primarily for low-volume, not high-speed industrial use
  • Manual operation requires attention to gauge readings

Setup, Compatibility & Care

To begin, ensure the AL40 is connected to a clean, dry compressed air supply using standard pneumatic quick-connect fittings. Always verify that the air hose is free of debris before attachment to prevent internal damage. Compatibility is universal for standard Schrader-style tyre valves. For maintenance, keep the device clean from oils and grease. Regularly inspect the clip-on connector seal; if air leaks during attachment, replace the rubber seal to ensure an airtight connection. Store in a dry environment when not in use to maintain the integrity of the alloy housing.

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