We are not selling oil, or advertising oil. However before I get
through I propose to give you the name of a good brand of cylinder oil,
a good engine oil as well as good articles of various attachments, which
cut no small figure in the success you may have in running an engine.
It is not an uncommon thing for an engineer (I don't like to call him an
engineer either) to fill his sight feed lubricator with ordinary engine
oil, and then wonder why his cylinder squeaks. The reason is that this
grade of oil cannot stand the heat in the cylinder or steam chest.
If you are carrying 90 pounds of steam you have about 320 degrees of
heat in your cylinder, with I20 to I25 pounds you will have about 350
degrees of heat, and in order to lubricate your valve and valve-seat,
and also the cylinder surface, you must use an oil, that will not only
stand this heat but considerable more so that it will have some staying
qualities.
Then if you are using a good quality of oil and your link or reverse
begins to knock, it is because some part of it wants attention, and you
must look after it.
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