Attaching Machine With Lift-Assist to 4050/55, 4250/55, and 4450/55 Tractors

causym CAUTION: Escaping fluid under pressure can penetrate the skin causing serious injury. Avoid the 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 the skin must be surgically removed within a few hours or gangrene may result. Doctors unfamiliar with this type of injury should reference a knowledgeable medical source. Such information is available from Deere & Company Medical Department in Moline, Illinois, U.S.A.

1. Back tractor to implement using hitch control lever to attach implement.

2. Lock quick coupler latches.

3. Raise parking stands and lower implement to the ground by moving hitch control to full down position.

4. Turn tractor OFF.

X9811

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5. Connect the three implement hydraulic hoses to tractor auxiliary quick coupler (A), SCV No. I (B) and center link cylinders.

6. Connect seven-pin warning light harness at back of tractor.

7. Start tractor.

8. See that there is adequate clearance around machine to provide safe operation, then cycle all hydraulic cylinders two or three times to check proper control operation. Check tractor hydraulic oil reservoir level. Fill if necessary.


A-Auxiliary Quick Coupler
B-SCV No. I

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