The query referred to
was: "Why does my glass fill with oil?" Now the answer to this is so
simple and so clearly no fault of the Lubricator that I am entirely
satisfied that by recommending either of these Lubricators you will get
value received; and here is a good place to answer the above query. If
you have run a threshing engine a season or part of a season you have
learned that it is much easier to get a poor grade of oil than a good
one, yet your Lubricator will do this at times even with best of oil,
and the reason is due to the condition of the feed nozzle at the bottom
of the feed glass. The surface around the needle point in the nozzle
becomes coated or rough from sediment from the oil. This coating allows
the drop to adhere to it until it becomes too large to pass up through
the glass without striking the sides and the glass becomes blurred and
has the appearance of being full of oil, so in a measure to obviate this
Powell's Lubricators are fitted with 3/4 glasses-being of large internal
diameter. The permanent remedy however is to take out the glass and
clean the nozzle with waste or a rag, rubbing the points smooth and
clean.
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