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www.jettools.com   

 

25.  Do not force a tool or attachment to do a job 

for  which  it  was  not  designed.  The  right  tool 
will do the job better and more safely. 

26.  Repetitive  motions  and/or  exposure  to 

constant  vibration  can  be  harmful  to  hands 
and  arms.  Take  frequent  breaks  and  relax 
hands  during  extended  operation.  Change 
posture to avoid discomfort or fatigue. 

27.  Compressed  air  can  be  harmful  if  directed 

toward sensitive areas of the body, and may 
propel small particles caught in the air stream. 
Exercise proper caution. 

28.  Use 

only 

recommended 

accessories; 

improper accessories may be hazardous. 

29.  Maintain  tools  with  care.  Keep  air  tool  clean 

and oiled for best and safest performance. 

30.  Do  not  use  combustible  gases,  carbon 

dioxide, oxygen  or  any  bottled  gas  as  an  air 
source for the tool. These can present risk of 
explosion and serious injury. 

31.  Do  not  lubricate  the  tool  with  combustible 

liquids, such as kerosene, diesel or jet fuel. 

32.  Do  not  dispose  of  this  tool  with  normal 

household waste. Never dispose of the air tool 
into fire. 

Specific warnings for Die Grinders 

33.  This  die  grinder  is  designed  for  deburring, 

polishing, grinding and surface preparation. If 
you are not familiar with the proper and safe 
operation  of  a  pneumatic  die  grinder,  do  not 
use until proper training and knowledge have 
been obtained. 

34.  Speed rating of tool attachment must equal or 

exceed rated free speed of die grinder. 

35.  Make  sure  attachment  is  securely  inserted 

into collet and collet nut is tight. 

36.  Make  sure  workpiece  is  secure  and  will  not 

shift while operating die grinder. Do not hold 
workpieces with your hand. 

37.  Use only attachments designed for the collet 

size  of  die  grinder.  Do  not  modify  an 
attachment  or  use  bushings,  wheel  flanges, 
etc., to mount an attachment of incorrect size. 

 

 

Familiarize  yourself  with  the  following  safety 
notices used in this manual: 

 

This means that if precautions 

are not heeded, it may result in serious, or even 
fatal, injury.

 

  

This means that if precautions 

are  not  heeded,  it  may  result  in  minor  injury 
and/or possible tool damage. 

 

 

 

 

 

 

WARNING:

 This product can expose you 

to chemicals including lead which is known to 
the  State  of  California  to  cause  cancer  and 
birth  defects  or  other  reproductive  harm.  For 
more 

information 

go 

to 

http://www. 

p65warnings.ca. gov. 

 

WARNING:

 Some dust, fumes and gases 

created  by  power  sanding,  sawing,  grinding, 
drilling,  welding  and  other  construction 
activities contain chemicals known to the State 
of California to cause cancer and birth defects 
or other reproductive harm. Some examples of 
these chemicals are: 

  lead from lead based paint 

  crystalline  silica  from  bricks,  cement  and 

other masonry products 

  arsenic  and  chromium  from  chemically 

treated lumber 

Your  risk  of  exposure  varies,  depending  on 
how often you do this type of work. To reduce 
your  exposure  to  these  chemicals,  work  in  a 
well-ventilated  area  and  work  with  approved 
safety equipment, such as dust masks that are 
specifically  designed  to  filter  out  microscopic 
particles.  For  more  information  go  to 
http://www.p65warnings.ca.gov/  and  http:// 
www.p65warnings.ca.gov/wood. 

 

Summary of Contents for JAT-420

Page 1: ...eumatic Mini Die Grinders 505420 JAT 420 Combo Pack Operation Maintenance Manual M 505420 Edition 2 11 2018 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2018 J...

Page 2: ...hile tired or under the influence of drugs alcohol or any medication 12 Adopt a comfortable posture with proper balance and maintain secure footing at all times Non slip footwear or anti skid floor st...

Page 3: ...rely inserted into collet and collet nut is tight 36 Make sure workpiece is secure and will not shift while operating die grinder Do not hold workpieces with your hand 37 Use only attachments designed...

Page 4: ...anual may not encompass all possible workplace environments The operator is expected to take appropriate precautions and exercise common sense As with any tool operation safety of operator and bystand...

Page 5: ...e Inline Overall Length 4 92 in 125 mm 4 92 in 125 mm Housing material Aluminum Aluminum Net weight 0 7 lb 0 32 kg 1 lb 0 45 kg Shipping weight 1 95 lbs 0 88 kg 1 The specified values are emission lev...

Page 6: ...o fail Instead add a leader hose and install any quick change couplings farther down the line 5 Adjust speed by turning regulator screw beneath housing with a flat blade screwdriver 6 Grip tool with b...

Page 7: ...air wrench is too small or the air compressor CFM is not powerful enough for the job Continued use in either capacity will cause damage to the tool Tool Pressure JET Air Tools operate on 70 to 100 psi...

Page 8: ...8 505420 JAT 420 Mini Die Grinder Combo Pack Figure 2 Recommended arrangement of air piping and air line system...

Page 9: ...ate properly according to instructions in this manual Bearings worn Disassemble and inspect bearing Grease or replace as needed Loss of power erratic action Low air pressure Verify compressor has prop...

Page 10: ...products For complete up to date product information check with your local distributor or visit the JET website How State Law Applies This warranty gives you specific legal rights subject to applicabl...

Page 11: ...JET 11...

Page 12: ...12 505420 JAT 420 Mini Die Grinder Combo Pack 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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