Model 4172
2-1/4 TON
INSTRUCTIONS
R
2-1/4 TON
FLOOR JACK
ASSEMBLY and OPERATING INSTRUCTIONS
Model 4172
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
Copyright 2003 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
Lifting Capacity 2-1/4 Tons (4500 Lbs.)
Minimum Saddle Height 5”
Maximum Saddle Height 19-1/4”
Handle Length 39-1/2”
Chassis Dimensions 25-1/2” L x 13-3/4” W
Weight 69 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 always be followed 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 the Jack.
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 protection. Always wear ANSI approved impact safety goggles.
8. Do not overreach. Keep proper footing and balance at all times. Do not reach over or
across running machines.
9. Maintain tools with care. Keep tools clean for better and safer performance. Follow
instructions for lubricating and changing accessories. Inspect tool periodically, and
if damaged, have it repaired by an authorized technician. The handle must be kept
clean, dry, and free from oil and grease at all times.
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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 moving 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.
Do not use the tool if the handle and pedal do not operate properly.
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. Jack Capacity. Never exceed the Jack’s capacity of 4500 Lbs. Check the vehicle’s
owner’s manual to determine the actual gross weight of your vehicle before attempting
to lift it.
17. Never ride on the Jack. Never ride on the Jack, and never have people or pets in the
vehicle you are raising.
18. Only use Jack to raise vehicle. After raising the vehicle, use jack stands to keep the
vehicle suspended for periods of time. Do not work on the vehicle while it is up on the
Jack. The Jack is designed for lifting the vehicle only
19. Not to be used for any aircraft purposes.
Warning!! Stand clear of the Jack when raising or lowering a vehicle.
The warnings, cautions, and instructions discussed in this instruction manual cannot
cover all possible conditions and situations that may occur. It must be understood by
the operator that common sense and caution are factors which cannot be built into this
product, but must be supplied by the operator.
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