I just bought a Makita MAC700 as a first air compressor. I don't know
yet about the unit, but the instructions are very, very poor. No
picture of the unit anywhere or descriptions of the various parts.
There is apparently a plug that comes in the unit that closes off the
air intake, and a separate air filter that must be attached. The
instructions say nothing about this. I ran the unit for 20 minutes to
fill up the 2.6 gallon tank. Later, when looking at the box picture,
I realized where the air filter attached and discovered the plug.
1) Could I have possibly damaged anything by running the unit with
almost no air intake for 30 minutes?
2) I anticipated leaving the unit with air in the tank all the time,
but the instuctions hint that the air should be drained after every
use. What's common practice here?