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Page 6

SKU 97728

For technical questions, please call 1-800-444-3353.

Refer to the manual for the air 

5. 

compressor used to power this tool.
Install an in-line shutoff valve to allow 

6. 

immediate control over the air supply 

in an emergency, even if a hose is 

ruptured.
Use this tool with both hands only.  

7. 

Using tools with only one hand can 

result in loss of control.
Do not lay the tool down until it has 

8. 

come to a complete stop.  Moving 

parts can bite the surface and pull the 

tool out of your control.

Vibration precautions

This tool vibrates during use.  

Repeated or long-term exposure to 

vibration may cause temporary or 

permanent physical injury, particularly to 

the hands, arms and shoulders.  To reduce 

the risk of vibration-related injury:

Anyone using vibrating tools regularly 

1. 

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.
Do not smoke during use.  Nicotine 

2. 

reduces the blood supply to the 

hands and fingers, increasing the risk 

of vibration-related injury.

Wear suitable gloves to reduce the 

3. 

vibration effects on the user.
Use tools with the lowest vibration 

4. 

when there is a choice between 

different processes.
Include vibration-free periods each 

5. 

day of work.
Grip tool as lightly as possible (while 

6. 

still keeping safe control of it).  Let 

the tool do the work.
To reduce vibration, maintain tool as 

7. 

explained in this manual.  If abnormal 

vibration occurs, stop immediately.

 

SAVE THESE 

InSTRUcTIOnS.

pROdUcT SpEcIFIcATIOnS

Maximum

Air Pressure

90 PSI Maximum

Air

Consumption

3 CFM  @ 90 PSI

Air Inlet Size

1/4” -18 NPT

Maximum

Speed*

22,000 RPM

Chuck Type

1/4” Steel Spring Collet

Accessories

3/4” Spanner Wrench (Qty. 1)

9/16” Spanner Wrench (Qty 1)

*  Maximum speed at stated maximum air pressure.  

Excess air pressure is hazardous and may cause the 

tool to exceed stated maximum speed.

Summary of Contents for Central Pneumatic 97728

Page 1: ...ssion 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 2008 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...

Page 2: ...avoided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS Instructions Pertai...

Page 3: ... at all times Proper footing and balance enables better control of the tool in unexpected situations f Use safety equipment A dust mask non skid safety shoes and a hard hat must be used for the applicable conditions Wear heavy duty work gloves during use g Always wear eye protection Wear ANSI approved safety goggles h Always wear hearing protection when using the tool Prolonged exposure to high in...

Page 4: ...tool s operation If dam aged have the tool serviced before using Many accidents are caused by poorly maintained tools There is a risk of bursting if the tool is damaged Use only accessories that are j identified by the manufacturer for the specific tool model Use of an accessory not intended for use with the specific tool model increases the risk of injury to people Service Tool service must be pe...

Page 5: ...or WARNING 2 Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement or other masonry products Arsenic and chromium from chemically treated lumber...

Page 6: ...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 Do not smoke during use Nicotine 2 reduces the blood supply to the hands and fingers increasing the risk of vibration related injur...

Page 7: ...r to the Assembly Diagram near the end of this manual Components and Controls Assembly A male Quick Connector not 1 included must be installed prior to operating the Air Router To do so Wrap about three inches of pipe thread sealer tape not included around the threads of the Quick Connector Then screw the Quick Connector firmly into the Air Inlet 14 of the tool See Figure A To install a 1 4 Router...

Page 8: ...of Pneumatic Tool Oil DAILY into the tool s male Quick Coupler before operation See Figure A Attach an air hose to the 2 compressor s air outlet Connect the air hose to the air inlet of the tool Other components such as a connector and quick coupler will make operation more efficient but are not mandatory WARNING To prevent serious injury from accidental operation Do not install a female quick cou...

Page 9: ...et Up Designate a work area that is clean 1 and well lit The work area must not allow access by children or pets to prevent injury and distraction Route the air hose along a safe 2 route to reach the work area without creating a tripping hazard or exposing the air hose to possible damage The air hose must be long enough to reach the work area with enough extra length to allow free movement while w...

Page 10: ...t maximum pressure and sufficient airflow then a larger tool will be required When finished routing remove Air 9 Router away from work piece and release pressure on the Trigger 3 to stop the Air Router Wait until the Router Bit stops rotating then set the tool down See Figure A To prevent accidents detach the air 10 supply safely discharge any residual air pressure in the tool and release the Trig...

Page 11: ...operation of the air operated tool Daily Air Supply Maintenance 1 Everyday perform maintenance on the air supply according to the component manufacturers instructions The lubricator s oil level needs to be maintained and the moisture filter must be regularly drained Performing routine maintenance on the air supply will allow the tool to operate more safely and will also reduce wear on the tool Dai...

Page 12: ...re air leakage Slight air leakage is normal especially on older tools Cross threaded housing 1 components Loose housing 2 Damaged valve or housing 3 Dirty worn or damaged valve 4 Check for incorrect alignment and uneven 1 gaps If cross threaded disassemble and replace damaged parts before use Tighten housing assembly If housing cannot 2 be tightened properly internal parts may be misaligned Replac...

Page 13: ...gulator 1 10 O Ring 1 11 O Ring 1 12 Valve Plug 1 13 Muffle Cover 1 14 Air Inlet with screen 1 15 Bearing 1 16 End Plate 1 17 Steel Ball 2 18 Rotor 1 19 Rotor Blade 4 20 Cylinder 1 21 Bushing 1 22 Front Plate 1 23 Pin 1 24 Bearing 1 25 Collet Holder 1 26 Retainer 1 27 Housing Cap 1 28 Collet 1 29 Collet Nut 1 30 Housing Cap 1 31 Lock Nut 1 32 Router Base 1 33 Router Guide 1 34 3 4 Spanner Wrench 1...

Page 14: ...ranty is expressly in lieu of all other warranties express or implied including the warranties of merchantability and fitness To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If our inspection verifies the defect we will either repair or replace...

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