Wood Magazine 69 by Larry Clayton

Author:Larry Clayton
Language: eng
Format: epub
Tags: Wood, Home and hobby woodworker
Publisher: Meredith Corporation
Published: 1994-03-25T05:00:00+00:00

WOOD MAGAZINE APRIL 1994

More points to consid

Air filters

We discovered big differences in the size and quality of the air filters on our tested compressors. These filters clean incoming air before it reaches the pistons. They also muffle noise somewhat. We consider this an important feature for typical dust-ridden woodworking shops.

As you can see beloiv, we came across felt and foam filters in various sizes. The larger felt filters do the best job of filtering air.

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Oil drains and plugs

Of all the tested units, only the Quincys provide dipsticks you can remove by hand for quickly and accurately checking the oil level. However, these were also the only oil-lubricated models that did not provide for convenient oil draining. As shown bottom, the oil drain on the Quincy does not extend past the crankcase, all but ensuring that you will spill drained oil on the machine. The other compressors have extended oil drains that you can place a basin under for catching waste oil as shown below. A Quincy representative said his company recognizes this shortcoming and plans to fix it by adding an extension to the oil drain.

Oil-lubricated compressors have felt air filters like those on the left and right from Quincy and Sanborn units. Oilless machines have small foam filters like the Air America version (middle).

Tanks

A large air tank has one advantage over a smaller air tank: it will delay the time before the pressure drops in the tank and the compressor kicks in. This may buy you some extra time when using air-gobbling tools such as random-orbit sanders. But, a large tank doesn't improve the performance of a compressor under continual-use circumstances.

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