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Pneumatic 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 JET 

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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