TROUBLESHOOTING

 

 

 

 

 

Problem

 

Cause

 

Remedy

Cylinder rod will not

1.

Broken drive shaft.

1.

Return unit to Sears service center.

move

2.

Shipping plugs left in hydraulic hoses.

2.

Disconnect hydraulic hoses,

 

 

 

 

remove shipping plugs, reconnect

 

 

 

 

hoses.

 

3. Set screws in coupling not adjusted

3. See operator’s manual for correct

 

 

adjustment.

 

 

properly.

 

 

 

4. Correct engine/pump alignment as

 

4.

Loose shaft coupling.

 

 

necessary.

 

5.

Gear sections damaged.

 

 

5. Return unit to Sears service center.

 

6.

Damaged relief valve.

 

6. Return unit to Sears service center.

 

7.

Hydraulic lines blocked.

 

7. Flush and clean hydraulic system.

 

8.

Incorrect oil level.

 

8. Check oil level. Refill if necessary.

 

9. Damaged or blocked directional valve.

 

9. Return unit to Sears service center.

 

 

 

Slow cylinder shaft

1.

Gear sections damaged.

1. Return unit to Sears service center.

speed while extending

2.

Excessive pump inlet vacuum.

2. Make certain pump inlet hoses are

and retracting.

 

 

 

clear and unblocked. Use short,

 

 

 

 

large diameter inlet hoses.

 

3.

Slow engine speed.

3. Return unit to Sears service center.

 

4. Return unit to Sears service center.

 

4.

Damaged relief valve.

 

5. Check oil level. Refill if necessary.

 

5.

Incorrect oil level.

 

6. Drain oil, clean reservoir, and refill.

 

6.

Contaminated oil.

 

7. Return unit to Sears service center.

 

7. Directional valve leaking internally.

 

8. Return unit to Sears service center.

 

8.

Internally damaged cylinder.

 

 

 

Leaking Cylinder

1.

Broken seals.

1. Return unit to Sears service center.

 

2.

Scored cylinder.

2. Return unit to Sears service center.

 

 

 

 

 

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NOTE: This section addresses minor service issues. For further details, contact Sears service information line by calling 1-800-4-MY-HOME.

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