On Sun, 22 Mar 2009 20:19:49 -0800, "Calif Bill"
wrote:

Another trucker with a Semi
pulled over next to him and use a line off an air compressor he had. (worked
great for an air powered lube gun he said as well as tires)

All semi's have an air compressor for the brakes. My Mercedes backhoe
had about 48 places to grease every day, counting the hoe, the loader,
and the tractor. All the ball joints and so on were to be greased
daily. It had air brakes, and I had the air grease gun.

Casady