Harbor Freight Tools 47890 User Manual

HYDRAULIC SPRING

®

COMPRESSOR SET

Model 47890

ASSEMBLY and OPERATING

INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit our Web site at http://www.harborfreight.com

Copyright © 2002 by Harbor Freight Tools®. All rights reserved. No portion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools .

For technical questions and replacement parts, please call 1-800-444-3353

Specifications

Maximum Compression 1500 Lbs.
Pump Size 5” H x 3” W x 14” L
Cylinder Size 2” Dia. x 12-1/2” L
Retracted Length 17-1/2”
Extended Length 22-1/2”
Ram Travel 5-1/2”
Coil Capacity 6.5” Max. (large), 5” Max. (small)
Pump Hose 5’ L
Weight 47 Lbs.

Save This Manual

You will need the manual for the safety warnings and precautions, assembly instructions,
operating and maintenance procedures, parts list and diagram. Keep your invoice with this
manual. Write the invoice number on the inside of the front cover. Keep the manual and
invoice in a safe and dry place for future reference.

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should alwa ys be follo wed to re­duce the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

1. Keep work area clean. Cluttered areas invite injuries.

2. Observe work area conditions. Do not use machines or power tools in damp or wet
locations. Don’t expose to rain. Keep work area well lighted.

3. Keep children away. Children must never be allowed in the work area. Do not let them
handle machines, tools, or extension cords.

4. Store idle equipment. When not in use, tools must be stored in a dry location to inhibit rust.
Always lock up tools and keep out of reach of children.

5. Use the right tool for the job. Do not attempt to force a small tool or attachment to do the
work of a larger industrial tool. There are certain applications for which this tool was designed.
It will do the job better and more safely at the rate for which it was intended. Do not modify this
tool and do not use this tool for a purpose for which it was not intended .

6. Dress properly. Do not wear loose clothing or jewelry as they can be caught in moving parts.
Protective, electrically non-conductive clothes and non-skid footwear are recommended when
working. Wear restrictive hair covering to contain long hair.

7. Use eye and ear protection. Always wear ANSI approved impact safety goggles. Wear a full
face shield if you are producing metal filings or wood chips. Wear an ANSI approved dust
mask or respirator when working around metal, wood, and chemical dusts and mists.

8. Do not overreach. Keep proper footing and balance at all times. Do not reach over or across
running machines.

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9. Maintain tools with care. Keep tools clean for better and saf er performance. Follow
instructions for lubricating and changing accessories. Inspect tool cords periodically and, if
damaged, have them repaired by an authorized technician. The handle must be kept clean,
dry , and free from oil and grease at all times .

10. Stay alert. Watch what you are doing, use common sense. Do not operate any tool when you
are tired.

11. Check for damaged parts. Before using any tool, any part that appears damaged should be
carefully checked to determine that it will operate properly and perform its intended function.
Check for alignment and binding of mo ving parts; any broken parts or mounting fixtures; and
any other condition that may affect proper operation. Any part that is damaged should be
properly repaired or replaced by a qualified technician.

12. Guard against electric shock. Prevent body contact with grounded surfaces such as pipes,
radiators, ranges, and refrigerator enclosures.

13. Replacement parts and accessories. When servicing, use only identical replacement parts.
Use of any other parts will void the warranty. Only use accessories intended for use with this
tool. Approved accessories are available from Harbor Freight Tools.

14. Do not operate tool if under the influence of alcohol or drugs. Read warning labels on
prescriptions to determine if your judgment or reflexes are impaired while taking drugs. If there
is any doubt, do not operate the tool.

15. Maintenance. For your safety, maintenance should be performed regularly by a qualified
technician.

16. Never leave a loaded spring unattended. Whenever a strut spring is compressed, a lot of
force is stored in the spring. This must be controlled and monitored until the spring is relaxed.

17. Keep hands and fingers away from the Spring Compressor when applying or releasing
a load.

18. Release a load from the Spring Compressor before performing any service or
maintenance. Do not mo ve the tool, service the pump, or clean a Strut Assembly while it’s
under a load.

19. Do not allow contact with lubricants. Make sure the Spring Compressor is clean and all
lubricants are washed off prior to use. Lubricants will diminish it’s ability to hold the sping
firmly and safely.

Never exceed the maximum capacity of 1500 Lbs. Personal injury or property damage

may result if you exceed the capacity of the Spring Compressor.

20. Warning: De-grease the strut spring to be compressed. Ne ver attempt to compress a
dirty spring.

21. Warning: The maximum force which can be applied by the Strut Spring Compressor is 1,500
Lbs. Use the Strut Spring Compressor only on passenger cars and pickup trucks. Using the
Struct Spring Compressor at a force greater than 1,500 lbs. may result in personal injury and/or
property damage.

22. Do not allow any lubricants to contact the Coil Brackets (#16) of the Hydraulic Spring
Compressor . Lubricants of any type on the above mentioned parts will diminish the ability of the
Hydraulic Spring Comporessor to firmly and safely grip and hold a Strut Spring in position, which
may result in personal injury and/or property damage.

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