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Pneumatic Angle Grinder 

#505450, JAT-450 
#505451, JAT-451 

 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

 

Operation & Parts Manual 

M-505450 

Edition 2 

06/2015 

 
 

JET 

427 New Sanford Road 

LaVergne, TN 37086 

Ph.: 800-274-6848 

www.jettools.com 

 

 

Copyright © 2015 JET 

Summary of Contents for JAT-451

Page 1: ...Pneumatic Angle Grinder 505450 JAT 450 505451 JAT 451 Operation Parts Manual M 505450 Edition 2 06 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET...

Page 2: ...h any additional 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...

Page 3: ...romium 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 wi...

Page 4: ...t and safest 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 lubrica...

Page 5: ...rth in this document The instructions and warnings in this manual may not encompass all possible workplace environments The operator is expected to take appropriate precautions and exercise common sen...

Page 6: ...A Speed settings Variable throttle lever Variable throttle lever Overall length 9 3 8 in 238 13 mm 9 3 8 in 238 13 mm Housing material Aluminum with composite grip Aluminum with composite grip Net we...

Page 7: ...re 2 6 Blow out air line to remove any dirt or moisture then connect air supply hose to tool Set air pressure to 90 psi IMPORTANT Connecting a quick change coupling directly to the tool is not recomme...

Page 8: ...line may enter the tool and cause damage 5 Change filters on the air system on a regular basis 6 Air line pressure may be increased accordingly to compensate for extra long air hoses usually over 25 f...

Page 9: ...such as SAE 10 Many JET air tools have integral oil reservoirs which should be kept filled when in line oilers are not used If greasing is required use a grease that is highly water resistant for fron...

Page 10: ...Lubricate 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 ha...

Page 11: ...llowing pages To order parts or reach our service department call 1 800 274 6848 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 wh...

Page 12: ...12 JAT 450 451 Angle Grinder 505450 JAT 450 4 inch Angle Grinder exploded view...

Page 13: ...3 JAT450 33 Spindle 3 8 24UNF 1 34 JAT450 34 Key 3x13 1 35 JAT450 35 Spacer 1 36 JAT450 36 Bearing cap 1 Index Part No Description Qty 37 JAT450 37 Disc cover 1 38 JAT450 38 Flange 3 8 24UNF 1 39 6104...

Page 14: ...14 JAT 450 451 Angle Grinder 505451 JAT 451 5 inch Angle Grinder exploded view...

Page 15: ...1 33 JAT451 33 Spindle 5 8 11UNC 1 34 JAT450 34 Key 3x13 1 35 JAT450 35 Spacer 1 36 JAT450 36 Bearing cap 1 Index Part No Description Qty 37 JAT451 37 Disc cover 1 38 JAT451 38 Flange 5 8 11UNC 1 39 6...

Page 16: ...16 JAT 450 451 Angle Grinder 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848...

Page 17: ...JET 17 www jettools com...

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