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6-inch Horizontal Grinder 

#550680, JCT-6680 

 
 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

Operation & Parts Manual 

M-550680 

Edition 1 

07/2016 

 
 

JET 

427 New Sanford Road 

LaVergne, TN 37086 

Ph.: 800-274-6848 

www.jettools.com 

 

 

Copyright © 2016 JET 

Summary of Contents for JCT-6680

Page 1: ...6 inch Horizontal Grinder 550680 JCT 6680 Operation Parts Manual M 550680 Edition 1 07 2016 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2016 JET...

Page 2: ...cts 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 ventilate...

Page 3: ...st performance 32 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 33 Do not lubricate the too...

Page 4: ...nd warnings in this manual 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...

Page 5: ...e throttle Overall length 21 1 4 in 540 mm Housing material Aluminum Grip style Inline Net weight 9 1 lb 4 kg Shipping weight 10 lb 4 5 kg 1 The specified values are emission levels and are not necess...

Page 6: ...nd install any quick change couplings farther down the line 6 Hold grinder securely with both hands and press throttle lever The throttle lock may be engaged to continue operation without holding the...

Page 7: ...nued use in either capacity will cause damage to the tool Tool Pressure JET Air Tools operate on 70 to 100 psi pounds per square inch air pressure measured at the tool when the tool is operating Set t...

Page 8: ...8 JCT 6680 Horizontal Grinder Figure 2 Recommended arrangement of air piping and air line system...

Page 9: ...vibration Bearings worn Disassemble and inspect bearing Grease or replace as needed Loss of power erratic action Low air pressure Verify compressor has proper CFM rating for tool Check compressor reg...

Page 10: ...Monday through Friday 8 00 a m to 5 00 p m CST Please have the stock number and serial number of your tool available when you call so that we may serve you quickly and accurately Non proprietary part...

Page 11: ...JET 11 550680 JCT 6680 6 inch Horizontal Grinder...

Page 12: ...overnor weight 2 39 JCT6680 39 Bearing cover 1 40 JCT6680 40 Ball bearing 6002MN 1 41 JCT6680 41 Cylinder upper plate 1 42 JCT6680 42 Rotor 1 43 JCT6680 43 Rotor vane 4 Index Part No Description Qty 4...

Page 13: ...tional action needed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Loc...

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Page 15: ...JET 15 This page intentionally left blank...

Page 16: ...16 JCT 6680 Horizontal Grinder 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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