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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
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Power booster on 880

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Kickin Bull

03-28-2005 21:37:38




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How does the power booster lever work? It's located on the left side of the dash. How can I tell if it's working?




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Jim Meade

03-29-2005 06:41:05




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 Re: Power booster on 880 in reply to Kickin Bull, 03-28-2005 21:37:38  
The tractor should be under power whether the lever is ahead or back if it is working right. Ahead is a higher speed in the same transmission gear. Typically, the sprag clutch which runs the low side will fail so the tractor will pull when the lever is ahead (in the high side) but not when it is back (in the low side).

You should pull the lever back to the low side to shift transmission gears. In the low side, the tractor is free-wheeling, so you should always have the tractor in the high side to lock in engine braking when descending a hill with a load that will roll with you.

The lever should snap over center with about 40 lbs of pressure when going ahead into the high side.

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