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Pneumatic Impact Wrench 

#505103, JAT-103  

s/n 16101090 and higher

 
 
 
 
 

 

 

 

 

 

 

 

 

 

 

 

 

Operation & Parts Manual 

M-505103 

Edition 3 

05/2017 

 
 

JET 

427 New Sanford Road 

LaVergne, TN 37086 

Ph.: 800-274-6848 

www.jettools.com 

 

 

Copyright © 2017 JET 

Summary of Contents for 505103

Page 1: ...umatic Impact Wrench 505103 JAT 103 s n 16101090 and higher Operation Parts Manual M 505103 Edition 3 05 2017 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2017 JET ...

Page 2: ... 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 Center Locator on the JET website More Information JET is constantly adding new products For complete up to date product information check with your local distributor or visit the JET website How State...

Page 3: ...hromium 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 face or dust masks that are specifically designed to filter out microscopic particles 9 Do not operate an air tool continually at full throttle without a work loa...

Page 4: ...e hazardous 31 Maintain tools with care Keep air tool clean and oiled for best 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 lubricate the tool with combustible liquids such as kerosene diesel or jet fuel 34 Do not dispose of this tool with normal househo...

Page 5: ...n 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 sense As with any tool operation safety of operator and bystanders should be first priority If there are questions or comments please contact your local supplier or JET JET can also be reached at our web site...

Page 6: ...1 100 dB A Power setting 5 air regulator settings forward and reverse Grip Pistol style Overall Length 7 1 4 in 184 15 mm Housing material Aluminum Net weight 5 91 lb 2 68 kg Shipping weight 6 39 lb 2 90 kg 1 The specified values are emission levels and are not necessarily to be seen as safe operating levels As workplace conditions vary this information is intended to allow the user to make a bett...

Page 7: ...n direction by pushing regulator dial push toward left for forward rotation tighten a nut toward right for reverse loosen a nut Make sure nut or bolt can withstand rated torque of impact wrench To loosen nut or bolt 1 Select reverse rotation 2 Place socket over nut hold grip firmly and place other hand over top of housing Gently squeeze trigger Important If tool cannot loosen nut DO NOT raise air ...

Page 8: ...rrect CFM for the impact wrench 3 Set air pressure to 90 psi Excess air pressure and or unclean air will shorten the tool s life and may create a hazardous situation 4 Drain water from air compressor tank daily as well as any condensation from air lines Water in the air 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 increas...

Page 9: ... to be used for air tools See Figure 2 Place oiler as close to air tool as possible for best lubrication Lubrication Use a light oil containing rust inhibitors 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 the front case components on air impact wren...

Page 10: ...using and external fasteners Loss of power erratic action Low air pressure Verify compressor has proper CFM rating for tool Check compressor regulator setting set air pressure to 90 psi Set regulator dial on tool to maximum setting Check for loose connections Moisture or obstruction in air hose Air supply must be clean and dry Clean out air hose s and remove any kinks or bends Improper size of air...

Page 11: ...ousing loose or damaged Tighten or replace as needed Replacement parts Service parts are listed on the following 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 when you call so that we may serve you quickly and accurately ...

Page 12: ...12 JAT 103 Impact Wrench 505103 JAT 103 1 2 inch Impact Wrench exploded view ...

Page 13: ...7 Pin 4x62L 1 18 JAT103 18 Cylinder 1 19 JAT103 19 Front end plate 1 20 72021 Ball bearing EE4 1 Index Part No Description Qty 21 JAT103 21 Dish spring 2 22 JAT103 22 Hammer case gasket 1 23 JAT103 23 Anvil bushing 1 24 JAT103 24 Spring 1 25 SB 1 8 Steel ball 1 8in 1 26 TS 2236181 Soc Hd Cap Screw M6x18 3 27 JAT103 27 Valve spring 1 28 JAT103 28 Hammer case 1 29 JAT103 29 End plate gasket 1 30 JAT...

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

Page 16: ...16 JAT 103 Impact Wrench 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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