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Pneumatic Ratchet Wrench

#505320, JAT-320
#505321, JAT-321

Operation & Parts Manual

M-505320

Edition 1

02/2015

JET

427 New Sanford Road

LaVergne, TN 37086

Ph.: 800-274-6848

www.jettools.com

Copyright © 2015 JET

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Summary of Contents for JAT-320

Page 1: ...Pneumatic Ratchet Wrench 505320 JAT 320 505321 JAT 321 Operation Parts Manual M 505320 Edition 1 02 2015 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2015 JET ...

Page 2: ... 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 Law Applies This warr...

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: ...oper caution 30 Use only recommended accessories improper accessories may be 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 ker...

Page 5: ...forth 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 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 w...

Page 6: ...s2 Noise level 1 102 dB A 101 dB A Power setting variable forward and reverse variable forward and reverse Grip Inline Inline Overall Length 6 5 in 165 1 mm 6 5 in 165 1 mm Housing material Aluminum with rubber grip Aluminum with rubber grip Net weight 1 32 lb 0 60 kg 1 32 lb 0 60 kg Shipping weight 1 34 lb 0 61 kg 1 34 lb 0 61 kg 1 The specified values are emission levels and are not necessarily ...

Page 7: ...on switch to forward F or reverse R rotation Make sure nut or bolt can withstand rated torque of ratchet wrench To loosen nut or bolt 1 Select reverse rotation 2 Place socket over nut and grip tool firmly with both hands 3 Gently squeeze throttle lever Important If tool cannot loosen nut DO NOT raise air pressure above 90 psi If tool s air regulator is in low setting raise setting and retry If too...

Page 8: ...sive hose length will cause pressure drop 2 Make sure air compressor supplies clean dry air at correct CFM for the tool 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 ...

Page 9: ...is 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 front case components on air impact wrench...

Page 10: ...rs 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 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 transmission lines hoses fittings or couplings Use appropriate sized ai...

Page 11: ...ollowing 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: ...05320 JAT 320 1 4 inch Ratchet Wrench exploded view 0 1 2 2 2 4 2 3 2 6 4 9 3 2 3 3 3 4 1 5 1 6 1 9 1 7 2 0 2 1 0 2 4 3 4 2 4 1 3 6 4 4 0 7 3 7 4 5 4 7 0 6 0 5 0 4 0 3 0 9 1 4 1 8 3 0 3 5 3 8 1 0 4 8 5 0 5 1 5 3 5 4 5 2 5 5 5 6 2 7 0 8 ...

Page 13: ...r ring 1 26 JAT320 26 Coupling nut 1 27 BB 6901ZZ Ball bearing 6901ZZ 1 Index Part No Description Qty 30 JAT320 30 Ratchet housing assembly 1 32 JAT320 32 Drive bushing 1 33 JAT320 33 Ratchet yoke 1 34 JAT320 34 Ratchet housing cover 1 35 JAT320 35 Direction switch 1 36 JAT320 36 Thrust washer 1 37 JAT320 37 Spring pin ø2x5 1050 1 38 JAT320 38 Ratchet anvil assembly 1 4in 1 41 JAT320 41 Spring 1 4...

Page 14: ...es 505321 JAT 321 3 8 inch Ratchet Wrench exploded view 0 1 2 2 2 4 2 3 2 6 3 2 3 3 3 4 1 5 1 6 1 9 1 7 2 0 2 1 0 2 4 3 4 2 4 1 3 6 4 4 0 7 3 7 4 5 4 7 0 6 0 5 0 4 0 3 0 9 1 4 1 8 3 0 3 5 1 0 3 8 5 3 5 4 5 2 4 9 4 8 5 0 5 1 2 7 0 8 ...

Page 15: ...r ring 1 26 JAT320 26 Coupling nut 1 27 BB 6901ZZ Ball bearing 6901ZZ 1 Index Part No Description Qty 30 JAT320 30 Ratchet housing assembly 1 32 JAT320 32 Drive bushing 1 33 JAT320 33 Ratchet yoke 1 34 JAT320 34 Ratchet housing cover 1 35 JAT321 35 Direction switch 1 36 JAT320 36 Thrust washer 1 37 JAT320 37 Spring pin ø2x5 1050 1 38 JAT321 38 Ratchet anvil assembly 3 8in 1 41 JAT320 41 Spring 1 4...

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

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