Accumulator Precharge

The accumulator precharge should be matched to the specific header and feeder house lift cylinders on a combine. When changing heads during a harvest season, there is no need to change the pre charge. If operating with different heads, the precharge should be set for the one with the lowest precharge.

NOTE: See the following chart to determine if the precharging needs to be changed. The factory precharge setting is 1200 psi.

To adjust accumulator precharge, see your John Deere dealer.

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