Harbor Freight Tools Grinder 44716 User Manual

AIR DIE GRINDER KIT  
Model 44716  
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© 2000 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.  
cover Revised 07i  
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7. 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.  
8. 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.  
9. Do not overreach. Keep proper footing and balance at all times. Do not  
reach over or across running machines.  
10. Maintain tools with care. Keep tools sharp 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 kept clean,  
dry, and free from oil and grease at all times.  
11. Disconnect power. Unplug tool from power source when not in use.  
12. Remove adjusting keys and wrenches. Check that keys and adjusting  
wrenches are removed from the tool or machine work surface before  
plugging it in.  
13. Avoid unintentional starting. Be sure the switch is in the Off position  
when not in use and before plugging in or hooking up. Do not carry any  
tool with your finger on the trigger, whether it is plugged in or not.  
14. Stay alert. Watch what you are doing, use common sense. Do not  
operate any tool when you are tired.  
15. Take caution as some woods contain preservatives such as copper  
chromium arsenate (ccA) which can be toxic. When cutting these  
materials extra care should be taken to avoid inhalation and minimize  
skin contact.  
16. 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 any switch does not turn On and Off properly.  
17. Guard against electric shock. Prevent body contact with grounded  
surfaces such as pipes, radiators, ranges, and refrigerator enclosures.  
SKU 44716  
For technical questions, please call 1-800-444-3353.  
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18. 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.  
19. Do not operate 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 tool.  
20. Maintenance. For your safety, service and maintenance should be  
performed regularly by a qualified technician.  
21. WARNING: This product contains or, when used, 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.)  
Warning: The warnings, cautions, and instructions discussed in this in-  
struction 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.  
VIbRATION HAzARD  
This tool vibrates during use. Repeated or long-term exposure to vibra-  
tion may cause temporary or permanent physical injury, particularly to  
the hands, arms and shoulders. To reduce the risk of vibration-related  
injury:  
1.  
Anyone using vibrating tools regularly or for an extended period should  
first be examined by a doctor and then have regular medical check-ups  
to ensure medical problems are not being caused or worsened from  
use. Pregnant women or people who have impaired blood circulation  
to the hand, past hand injuries, nervous system disorders, diabetes, or  
Raynaud’s Disease should not use this tool. If you feel any medical or  
physical symptoms related to vibration (such as tingling, numbness, and  
white or blue fingers), seek medical advice as soon as possible.  
2.  
Do not smoke during use. Nicotine reduces the blood supply to the  
hands and fingers, increasing the risk of vibration-related injury.  
3.  
4.  
Wear suitable gloves to reduce the vibration effects on the user.  
Use tools with the lowest vibration when there is a choice between dif-  
ferent processes.  
Rev 07i  
SKU 44716  
For technical questions, please call 1-800-444-3353.  
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5.  
6.  
Include vibration-free periods each day of work.  
Grip tool as lightly as possible (while still keeping safe control of it). Let  
the tool do the work.  
7.  
To reduce vibration, maintain the tool as explained in this manual. If any  
abnormal vibration occurs, stop use immediately.  
uNpAcKING  
When unpacking, check to make sure all parts listed on Page 8 are included.  
If any parts are missing or broken, please call Harbor Freight Tools at the  
number on the cover of this manual.  
AIR cONNEcTION  
Note: Air Compressor is not supplied.  
1. Acquire a Union fitting (not supplied) and screw into the Air Inlet fitting.  
Tighten with the wrench.  
2. Attach a quick-coupler (not supplied) to the Union fitting if desired. This  
allows quick exchange of the Air Hose to other air tools.  
3. Connect the Air Hose to the Air Inlet Coupling.  
Warning: Follow all air compressor warnings before using tool.  
This air tool requires lubrication during operation. For best results, it is recom-  
mended to have an oiler and water filter in line with the air supply as shown on  
Page 6. This will extend the life of the tool.  
Rev 07i  
SKU 44716  
For technical questions, please call 1-800-444-3353.  
Page 5  
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AIR cONNEcTION  
Note: Air Compressor is not supplied.  
1. Acquire a Union fitting (not supplied) and screw into the Air Inlet fitting.  
Tighten with the wrench.  
2. Attach a quick-coupler (not supplied) to the Union fitting if desired. This  
allows quick exchange of the Air Hose to other air tools.  
3. Connect the Air Hose to the Air Inlet Coupling.  
Warning: Follow all air compressor warnings before using tool.  
This air tool requires lubrication during operation. For best results, it is recom-  
mended to have an oiler and water filter in line with the air supply as shown on  
Page 5. This will extend the life of the tool.  
AIR cOMpRESSOR ASSEMbly DIAGRAM  
OpERATION  
Warning: before installing the attachment, make sure Grinder is not  
attached to the air supply and make sure no built up air pressure  
remains in the Air Die Grinder.  
1. Select the desired grinding attachment.  
2. As shown in the diagram on Page 7, use the Wrenches (28) to hold the  
Retainer [24] while removing the Collet Nut (27).  
3. Insert the shaft of the grinding attachment into the Collet (26).  
4. Reassemble the Collet and Collet Nut. Tighten with both Wrenches.  
5. Set the Air Compressor’s pressure regulator to 90 PSI.  
6. Connect the Die Grinder to the Air Compressor’s hose.  
Rev 07i  
SKU 44716  
For technical questions, please call 1-800-444-3353.  
Page 6  
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MAINTENANcE  
1. If an in-line oiler is not used, disconnect the air hose and apply a few  
drops of pneumatic tool oil through the air inlet coupling before each use.  
Do this for every hour of continuous use.  
2. Apply a few drops of oil to the Lever mechanism and work the Lever a  
few times to lubricate.  
Note: Do not use detergent, oil or additives; these will cause accelerated  
wear to the tool’s air seals.  
3. Wipe the Die Grinder clean of oil and grease with a clean cloth.  
4. Do not allow the attachments to come in contact with oil or grease.  
5. Replace the Die Grinder and attachments to the case and store in a  
clean and dry location.  
ASSEMbly DIAGRAM  
NOTE: Some parts are listed and shown for illustration purposes only and are not  
available individually as replacement parts.  
Rev 07i  
SKU 44716  
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Page 7  
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ATTAcHMENTS  
PART  
DESCRIPTION  
Inlet Bushing  
Exhaust Deflector  
Motor Housing  
Valve Screw  
“O” Ring  
QTY  
1
PART  
15  
DESCRIPTION  
QTY  
1
1
2
Rear Plate  
1
16  
Ball  
3
3
1
17  
Rotor Blades  
Rotor  
4
4
1
18  
1
5
1
19  
Cylinder  
1
6
“O” Ring  
1
20  
Front End Plate  
Ball Bearing  
Washer  
1
7
Air Regulator  
Spring  
1
21  
1
8
1
22  
1
9
“O” Ring  
1
23  
Spindle  
1
10  
11  
12  
13  
14  
Throttle Valve  
Valve  
1
24  
Retainer  
1
1
25  
Housing Cap  
Collet - 1/4”  
Collet Nut  
Wrenches  
1
Throttle Lever Rivet  
Safety Throttle Lever  
Ball Bearing  
1
26  
1
1
27  
1
1
28  
2
Diag. Using Wrenches  
plEASE READ THE FOllOWING cAREFully  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN  
THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DIS-  
TRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER  
THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE  
OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANU-  
FACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS  
REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS  
AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT  
OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERE-  
TO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.  
Rev 07i  
SKU 44716  
For technical questions, please call 1-800-444-3353.  
Page 8  
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