Central Machinery 91977 Assembly And Operating Instructions Manual
3/8” Reversible Air Drill3/8” Reversible Air Drill
3/8” Reversible Air Drill3/8” Reversible Air Drill
3/8” Reversible Air Drill
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
Copyright © 2004 by Harbor Freight Tools®. All rights reser ved. No por tion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor F reight Tools.
For technical questions, please call 1-800-444-3353
91977
®
SKU 91977 Page 2
For technical questions, please call 1-800-444-3353
Specifications
Save This Manual
You will need the manual for the saf ety warnings and precautions, assembly
instructions, operating and maintenance procedures, parts list and diagram. K eep
your inv oice with this man ual. Write the inv oice number on the inside of the front
cover. Keep the manual and inv oice 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 c lean . Cluttered areas invite injuries.
2. Observe work area conditions. Do not use machines or po wer tools in
damp or wet locations. Don’t expose to rain. Keep work area well lit. Do not
use electrically powered tools in the presence of flammable gases or liquids.
3. Keep children a way. Children must never be allowed in the w ork 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. Alw a ys loc k up tools and k eep 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 jew elry as they can be caught
in moving parts. Protectiv e , electrically non-conductiv e clothes and non-skid
footwear are recommended when w orking. Wear restrictive hair co v ering to
contain long hair .
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SKU 91977 Page 3
For technical questions, please call 1-800-444-3353
7. Use eye and ear protection. Always wear ANSI approved impact safety
goggles. W ear a full f ace shield if y ou are producing metal filings or w ood
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.
9. Maintain tools with care. Keep tools maintained and clean for better and
safer performance. Follow instructions for lubricating and changing
accessories. Inspect tool cords periodically and, if damaged, have them
repaired by an authorized technician. The handles must be k ept clean, dry,
and free from oil and grease at all times.
10. Disconnect air power. Disconnect tool from air supply when not in use.
11. Remove adjusting keys and wrenches. Check that keys and adjusting
wrenches are removed from the tool or machine work surface before
connecting air supply .
12. Av oid unintentional starting. Be sure the trigger is in the Off position when
not in use and before connecting it. Do not carry any tool with your finger on
the trigger, whether it is connected to the air supply or not.
13. Stay alert. W atch what you are doing, use common sense . Do not operate
any tool when you are tired.
14. Take caution as some woods contain preservatives such as copper
chromium arsenate (CCA) which can be to xic. When drilling these materials
extra care should be taken to avoid inhalation and minimize skin contact.
15. Check for damaged parts. Before using an y tool, any part that appears
damaged should be carefully checked to determine that it will operate
properly and perform its intended function. Check f or alignment and binding
of moving parts; any broken parts or mounting fixtures; and an y other
condition that may aff ect proper operation. Any part that is damaged should
be properly repaired or replaced by a qualified technician. Do not use the tool
if any switch does not turn On and Off properly.
16. 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
availab le from Harbor Freight T ools .
17. Do not operate tool if under the influence of alcohol or drugs. Read
warning labels on prescriptions to determine if your judgment or refle x es are
impaired while taking drugs. If there is any doubt, do not operate the tool.
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