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So I am PMing the forestry tanker for our dept. Jacked up front left drive axle (left intermediate axle/ the one in the middle) to check wheel bearing play. With the parking brakes on, the wheel moved back and forth (the play on the pinion travel). No parking brake engagement from the spring...

We have an M939A2 that is set up as a wildland/brush fire truck. The boys had the truck out this past weekend and one guy said he wasn't able to build air pressure and another guy who heard 2nd hand the truck would build air but after they shut it off is was leaking out of the air intake and...

Got a call about an M35A2 that was blowing smoke at idle and mid throttle, and blowing oil out the exhaust. At highway speeds the exhaust cleans up until you bring the rpm's down, and then the smoke comes back. Local garage had changed the oil and added 2 extra gallons of oil to the crankcase...

Hey guys...........long time listener, first time caller!! My Fire Dept has an M123A1C that was converted to a forestry tanker. I've taken over as maintenance officer, chief wrench turner a few years ago and noticed that the thing didn't stop for crap. The brakes were WAY out of adjustment, a...