Harbor Freight Tools 93821 User Manual
1/4” MINI RATCHET WRENCH
Model
93821
SET UP AND OPERATING INSTRUCTIONS
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© 2007 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 or replacement parts, please call 1-800-444-3353.
Rev 07k
PRODUCT SPECIFICATIONS
Drive Size 1/4” Square Drive
Max. Working Pressure 90 PSI
Minimum Air Consumption Required 14.5 SCFM @ 90 PSI
Free Speed RPM 300 Max. RPM
Torque 20 ft./lb.
Air Inlet Size 1/4” - 18 NPT
Required Air Hose I.D. 3/8”
Exhaust Type Rear Exhaust
Overall Length 5” L
Unit Weight .85 lb.
UNPACKING
When unpacking, check to make sure the product is intact and undamaged. If any parts
are missing or broken, please call Harbor Freight Tools at the number shown on the cover
of this manual as soon as possible.
SAVE THIS MANUAL
You will need this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures, parts list and assembly diagram.
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.
GENERAL SAFETY RULES
WARNING!
READ AND UNDERSTAND ALL INSTRUCTIONS
Failure to follow all instructions listed in the following
pages may result in electric shock, fire, and/or serious injury.
SAVE THESE INSTRUCTIONS
SKU 93821 For technical questions, please call 1-800-444-3353 PAGE 2
WORK AREA
1. Keep your work area clean and well lit. Cluttered benches and dark areas
invite accidents.
2. Do not operate pneumatic tools in explosive atmospheres, such as in the
presence of flammable liquids, gases, or dust. Pneumatic tools create sparks
which may ignite flammables.
3. Keep bystanders, children, and visitors away while operating a pneumatic
tool. Distractions can cause you to lose control. Protect others in the work area
from debris such as chips and sparks. Provide barriers or shields as needed.
PERSONAL SAFETY
1. Stay alert. Watch what you are doing, and use common sense when
operating a pneumatic tool. Do not use a pneumatic tool while tired or
under the influence of drugs, alcohol, or medication. A moment of
inattention while operating pneumatic tools may result in serious personal injury.
2. Dress properly. Do not wear loose clothing or jewelry. Contain long hair.
Keep your hair, clothing, and gloves away from moving parts. Loose
clothes, jewelry, or long hair can be caught in moving parts.
3. Avoid accidental starting. Be sure the Throttle Lever (11) is off before
connecting to the air supply. Carrying pneumatic tools with your finger on the
Throttle Lever, or connecting pneumatic tools to the air supply with the Throttle
Lever on, invites accidents.
4. Remove adjusting keys or wrenches before turning on the tool. A wrench
or a key that is left attached to a rotating part of the tool may result in personal
injury.
5. Do not overreach. Keep proper footing and balance at all times. Proper
footing and balance enables better control of the tool in unexpected situations.
6. Use safety equipment. Always wear ANSI approved safety impact eye
goggles, hearing protection, and heavy duty work gloves.
TOOL USE AND CARE
1. Use clamps or other practical ways to secure and support the workpiece to
a stable platform. Holding the work by hand is unstable and may lead to loss of
control. Only work on a workpiece that is properly secured.
SKU 93821 For technical questions, please call 1-800-444-3353 PAGE 3
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