For instance, the 2%-toN truck
uses 2,025 cubIc feet of aIr IN
only 5 miNuteS. ThIs is more
air than is IN a 10'x12'x20±
There²s always dIrt
iN the air aNd because
aIr for an eNgIne must
be clean³ that dIrt
must be re´OVd.
IF YOU'VE
µf you let dirt get Into the
eNgine³ it mIXes wIth oil
aNd forms a grinding
compound that will speeD
up wear on pIston rIngs³
cylINders
_
a
R
d beariNgs¶