Symptom Problem Solution

Wheels do not penetrate.

Machine not level.

Level machine from side-to-side and front-to-rear.

Hard ground or adverse operating conditions.

Lower mainframe to increase spring tension on wheels.

Operating machine too slow for soil conditions.

Increase speed.

Machine does not tow straight when operating.

Not leveled side-to-side.

Level machine.

Tire inflation pressure.

Inflate tires evenly.

Hydraulic wing lift does not function properly.

Wings raise too slowly or not at all.

Adjust metering valve to fast position.

Check tractor hydraulic pressure.

Wings raise too fast.

Adjust metering valve.

Cylinder leakage.

Repair or replace. See your John Deere dealer.

Lift cylinder too small.

Use correct size cylinder.

Tractor valve leakage.

Repair valve.

Hydraulic hoses not connected properly.

Connect hoses properly.

NXN,OM400,TR1 -19-20JUN96-1/1