Installing and Bleeding Wing-Fold Cylinders

CAUTION: Escaping fluid under pressure can penetrate skin, causing serious injury. Avoid hazard by relieving pressure before disconnecting hydraulic or other lines. Tighten all connections before applying pressure. Search for leaks with a piece of cardboard. Protect hands and body from high pressure fluids.

If an accident occurs, see a doctor immediately. Any fluid injected into skin must be surgically removed within a few hours or gangrene may result. Doctors unfamiliar with this type of injury may call Deere & Company Medical Department in Moline, Illinois, or other knowledgeable medical source.

2. Attach all hoses in hydraulic circuit.

3. Support cylinder(s) on wooden blocks, so rod(s) can extend and retract without interference.

CAUTION: Falling wings can cause serious injury or death to you or others if cylinders are not bled as instructed. Follow bleed instructions completely.

4. Connect hoses to tractor. Fully extend and retract all cylinders at least two times, maintaining hydraulic pressure at full extension for at least 30 seconds. Then extend cylinders one more time, maintaining pressure at full extension for one minute. This allows all air to escape from cylinders.

CAUTION: To avoid injury or death to you or others, stand clear of machine when wings are being folded or unfolded. Mechanical or hydraulic failure can allow wings to fall rapidly causing injury or death to you or others.

5. Attach rod end(s) of cylinder(s).

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