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SKU 99640 

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

Page 6

6.  Attach all accessories properly to the 

tool before connecting the air sup-

ply.  A loose accessory may detach or 

break during operation.

7.  Obey the manual for the air compres-

sor used to power this tool.

8.  Install in-line shutoff valve to allow 

immediate control over air supply in 

emergency, even if hose is ruptured.

9.  Do not lay tool down until it has com-

pletely stopped. Moving parts can 

grab surface and lead to control loss.

Vibration Precautions

This tool vibrates during use.  Re-

peated 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 regu-

larly 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, ner-

vous system disorders, diabetes, or 

Raynaud’s Disease should not use 

this tool.  If you feel any medical or 

physical symptoms related to vibra-

tion (such as tingling, numbness, and 

white or blue fingers), seek medical 

advice as soon as possible.

2.  Do not smoke during use.  Nico-

tine reduces the blood supply to the 

hands and fingers, increasing the risk 

of vibration-related injury.

3.  Wear suitable gloves to reduce the 

vibration effects on the user.

4.  Use tools with the lowest vibration 

when there is a choice between dif-

ferent processes.

5.  Include vibration-free periods each 

day of work.

6.  Grip tool as lightly as possible (while 

still keeping safe control of it).  Let 

the tool do the work.

7.  To reduce vibration, maintain tool as 

explained in this manual.  If abnormal 

vibration occurs, stop immediately.

  SAVE THESE 

INSTRUCTIONS.

Summary of Contents for 99640

Page 1: ...l 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 Diagrams within this manu...

Page 2: ...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 t...

Page 3: ...he applicable conditions Wear heavy duty work gloves during use Wear a full face shield if you are producing metal filings or wood chips g Always wear eye protec tion Wear ANSI ap proved safety goggle...

Page 4: ...ndition that affects the 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 m Use...

Page 5: ...ower sanding sawing grinding drill ing and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of t...

Page 6: ...y 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 ha...

Page 7: ...let Remove this plug before set up ASSEMBLY Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of th...

Page 8: ...y is disconnected Note Air flow and therefore tool perfor mance can be hindered by under sized air supply components 3 The air hose must be long enough to reach the work area with enough extra length...

Page 9: ...urn the switch to its off position before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY Do not adjust or tamper with any control or component in a way not spec...

Page 10: ...g on a floor test the tool on a scrap piece of wood Adjust the driving depth by provid ing more or less air pressure Never exceed 120 PSI 5 Hold the Hand Grip 81 securely and press the Spacer 36 to th...

Page 11: ...he firing mecha nism of the Floor Nailer making the tool inoperable 5 To remove a jammed cleat nail staple disconnect the tool from its air supply push in the Lock and slide the Magazine back until it...

Page 12: ...tool oil Lubricate the internal mechanism using only white lithium grease Other lubricants may damage the mechanism and may be highly flammable causing an explosion Cleaning Maintenance and Lubricatio...

Page 13: ...sor is set between 70 PSI and 120 PSI 3 Clean exhaust channel Not shooting fasteners or only intermittent feeding 1 Damaged Pusher Spring 51 2 Wrong size of fasteners 3 Fixed Magazine 52 or Plate 45 i...

Page 14: ...ing 1 54 Safety Lock 1 55 E Ring 1 56 Pusher 1 57 Tail Cover 1 58 Washer 1 59 Hex Bolt 2 60 Spring 1 61 Side Load Magazine 1 62 Bushing 1 63 Fixture 1 64 Hex Bolt 1 65 Hex Bolt 1 66 Gasket 1 67 Spring...

Page 15: ...ord Product s Serial Number Here Note If product has no serial number record month and year of purchase instead Note Some parts are listed and shown for illustration purposes only and are not avail ab...

Page 16: ...tal or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHAN...

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