Harbor Freight Tools 66958 User Manual
MASTER BALL JOINT ADAPTER SET / 14 PC
(FOR USE WITH 3-IN-1 SERVICE KIT - MODEL 38335)
Model 66958
OPERATING INFORMATION
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
Distributed exclusively by Harbor Freight Tools®.
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright© 2009 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 please call 1-800-444-3353.
SPECIFICATIONS TABLE
Sizes Inner Diameter Outer Diameter Length
Receiving Cup
1-3/4” 2-1/8” 1/2”
1-13/16” 2-1/4” 7/16”
1-3/4” 2” 2-3/8”
Installing Tube
1-3/4” 2” 3”
Remover / Installer 3/4” 1-7/16” 1”
2” 2-1/4” 2”
2-1/4” 2-1/2” 1-1/2”
2-1/4” 2-1/2” 3/4”
2-1/4” 2-1/2” 2-3/4”
Receiving Tube
2-3/4” 3” 2-1/4”
2-7/16” 2-3/4” 2-1/4”
2-5/8” 2-7/8” 2-7/8”
2-3/16” 2-7/16” 3-3/16”
Applications
Most GM, Ford, and Dodge 2 & 4 WD Pickups, Vans,
and SUV’s through 1997
Compatibility Use with 3-In-1 Service Kit (Model 38335)
Material Forged, heat treated and machined carbon steel
Screw Plug Size 7/8” O.D. x 3” Long
Weight 12.8 Pounds
UNPACKING
When unpacking, check to make sure the parts shown on page 10 of this manual are
included. If any parts are missing or broken, please call Harbor Freight Tools at the
number shown at bottom of page as soon as possible.
SAVE THIS MANUAL
You will need this manual for the safety warnings and precautions, operating,
inspection, maintenance, and cleaning procedures. Keep your invoice with this
manual. Write the invoice number on the inside of the front cover. Keep this
manual and invoice in a safe and dry place for future reference.
For technical questions please call 1-800-444-3353Sku 66958
Page 2
GENERAL SAFETY WARNINGS AND PRECAUTIONS
1. KEEP WORK AREA CLEAN AND DRY.
Cluttered, damp or wet work areas invite injuries.
2. KEEP CHILDREN AWAY FROM WORK AREA.
Do not allow children to handle this product.
3. STORE IDLE EQUIPMENT.
When not in use, tools and equipment should be stored in a dry location to inhibit
corrosion. Always lock up tools and equipment and keep out of reach of children.
4. DO NOT USE THIS PRODUCT IF UNDER THE INFLUENCE OF ALCOHOL OR
DRUGS. Read warning labels on prescriptions to determine if your judgment or
reexes are impaired while taking drugs. If there is any doubt, do not attempt to use
this product.
5. USE EYE PROTECTION.
Wear ANSI approved eye googles when using this product.
ANSI approved safety impact eye glasses are available from Harbor Freight Tools.
6. DRESS SAFELY.
Non-skid footwear or safety shoes should be used when working with this product.
Do not wear loose clothing or jewelry as they can become caught in moving parts.
Wear a protective hair covering to prevent long hair from becoming caught in
moving parts. If wearing a long-sleeve shirt, roll sleeves up above elbows.
7. INDUSTRIAL APPLICATIONS MUST FOLLOW OSHA REQUIREMENTS.
8. DO NOT OVERREACH. Keep proper footing and balance at all times to prevent
tripping, falling, back injury, etcetera.
9. STAY ALERT. Watch what you are doing at all times. Use common sense.
Do not use this product when you are tired or distracted from the job at hand.
10. CHECK FOR DAMAGED PARTS. Before using this product, carefully check that it
will operate properly and perform its intended function.
Check for damaged parts and any other conditions that may affect the operation of
this product. Replace damaged or worn parts immediately.
11. REPLACEMENT PARTS AND ACCESSORIES.
When servicing, use only identical replacement parts.
Only use accessories intended for use with this product.
Approved accessories are available from Harbor Freight Tools.
For technical questions please call 1-800-444-3353Sku 66958
Page 3
12. MAINTAIN THIS PRODUCT WITH CARE.
This product contains or produces a chemical known to the State of California to
cause cancer and birth defects (or other reproductive harm).
(California Health & Safety Code 25249.5 et seq.)
Keep this tool clean and dry for better and safer performance.
13. USE THE RIGHT PRODUCT FOR THE RIGHT JOB. There are certain
applications for which this product was designed. Do not use small equipment,
tools or attachments to do the work of larger industrial equipment, tools or
attachments. Do not use this product for a purpose for which it was not intended.
14. PRIOR TO USING THIS PRODUCT, MAKE SURE TO READ AND
UNDERSTAND ALL INSTRUCTIONS AND SAFETY PRECAUTIONS AS
OUTLINED IN THE VEHICLES MANUFACTURER’S MANUALS.
15. NEVER WORK UNDERNEATH A VEHICLE WITHOUT USING ADDITIONAL
SAFETY SUPPORT DEVICES (I.E., JACK STANDS) TO SUPPORT THE WEIGHT
OF THE VEHICLE.
Read and understand all safety warnings and instructions provided in the instruction
manual of the vehicle as well as the jack stand being used to support the vehicle.
OPERATING INSTRUCTIONS
To Attach The Plug Bolt To The C-Frame:
STEEL BALL
(NOT PROVIDED)
FORCING
SCREW
(NOT PROVIDED)
C-FRAME (NOT PROVIDED)
WARNING
O-RING
(NOT PROVIDED)
PLUG BOLT (14)
(Included)
Figure A
For technical questions please call 1-800-444-3353Sku 66958
Page 4
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