There should be a couple switches on the left side of the seat. Mounted to seat frame below the cushion. One controls air pressure for weight adjustment and as many as 4 for lumbar support. There should also be a seat isolator lock out on the right side or sometimes built into the froward adjust lever. That lets the seat glide on the track a couple inches fore and aft to take out some of the pounding. If it is a Bostrom seat, they have a very hard cushion. I drive Freightshaker semi and finaly got a National seat put in after 400,000 in the original Bostrom. Much nicer!
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Today's Featured Article - Product Review: Black Tire Paint - by Staff. I have been fortunate in that two of my tractors have had rear tires that were in great shape when I bought the tractor. My model "H" even had the old style fronts with plenty of tread. My "L" fronts were mismatched Sears Guardsman snow tires, which I promptly tossed. Well, although these tires were in good shape as far as tread was concerned, they looked real sad. All were flat, but new tubes fixed that. In addition to years and years of scuffing and fading, they had paint splattered on
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