King Arthur T27143 - Hand Pump for Guinevere Basic Sanding System
T27143 Hand Pump for Guinevere Basic Sanding System
Guinevere inflatable drums require very little air, so it's very easy to over-inflate them with a compressor.
The compressed air system must be able to deliver totally dry air, otherwise moisture will cause rust on the internal steel parts, and will interfere with the airtight seal of the interior valve.
The best way to inflate the sanders is with King Arthur's Tools T27143 Hand Pump for Guinevere Basic Sanding System, which allows you to feel the softness of the bulb while you are pumping, giving you the ideal drum softness for the grit being used.
The best pressure is as soft as possible while still keeping the sleeve from moving on the drum. For use with the T27141 Guinevere Sanding System.
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