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JCT-3640 series Chipping Hammers 

 

Warranty and Service 

JET warrants every product it sells against manufacturers’ defects. If one of our tools needs service or repair, please contact

 

Technical Service by calling 1-800-274-6846, 8AM to 5PM CST, Monday through Friday. 

Warranty Period

 

The general warranty lasts for the time period specified in the literature included with your product or on the official JET branded 
website.  

 

JET products carry a limited warranty which varies in duration based upon the product. (See chart below) 

 

Accessories carry a limited warranty of one year from the date of receipt. 

 

Consumable items are defined as expendable parts or accessories expected to become inoperable within a 
reasonable amount of use and are covered by a 90 day limited warranty against manufacturer’s defects. 

Who is Covered 

This warranty covers only the initial purchaser of the product from the date of delivery. 

What is Covered 

This warranty covers any defects in workmanship or materials subject to the limitations stated below. This warranty does not cover 
failures due directly or indirectly to misuse, abuse, negligence or accidents, normal wear-and-tear, improper repair, alterations or 
lack of maintenance. JET woodworking machinery is designed to be used with Wood. Use of these machines in the processing of 
metal, plastics, or other materials outside recommended guidelines, may void the warranty. The exceptions are acrylics and other 
natural items that are made specifically for wood turning. 

Warranty Limitations 

Woodworking products with a Five Year Warranty that are used for commercial or industrial purposes default to a Two Year 
Warranty. Please contact Technical Service at 1-800-274-6846 for further clarification.

 

How to Get Technical Support 

Please contact Technical Service by calling 1-800-274-6846. 

Please note that you will be asked to provide proof of initial 

purchase when calling. 

If a product requires further inspection, the Technical Service representative will explain and assist with 

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 Law Applies 

This warranty gives you specific legal rights, subject to applicable state law.  

Limitations on This Warranty 

JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD OF THE LIMITED WARRANTY FOR EACH PRODUCT. EXCEPT AS 
STATED HEREIN, ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 
EXCLUDED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED WARRANTY LASTS, SO THE 
ABOVE LIMITATION MAY NOT APPLY TO YOU. 
JET SHALL IN NO EVENT BE LIABLE FOR DEATH, INJURIES TO PERSONS OR PROPERTY, OR FOR INCIDENTAL, 
CONTINGENT, SPECIAL, OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS. SOME STATES 
DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE 
LIMITATION OR EXCLUSION MAY NOT APPLY TO YOU. 
 
JET sells through distributors only. The specifications listed in JET printed materials and on official JET website are given as 
general information and are not binding. JET reserves the right to effect at any time, without prior notice, those alterations to parts, 
fittings, and accessory equipment which they may deem necessary for any reason whatsoever. JET

®

 branded products are not 

sold in Canada by JPW Industries, Inc. 

Product Listing with Warranty Period  

90 Days – Parts; Consumable items 
1 Year – Motors; Machine Accessories 
2 Year – Metalworking Machinery; Electric Hoists, Electric Hoist Accessories; Woodworking Machinery used for industrial  
or commercial purposes 
5 Year – Woodworking Machinery 
Limited Lifetime – JET Parallel clamps; VOLT Series Electric Hoists; Manual Hoists; Manual Hoist   
Accessories; Shop Tools; Warehouse & Dock products; Hand Tools; Air Tools 

NOTE:  JET is a division of JPW Industries, Inc. References in this document to JET also apply to JPW Industries, Inc., or any of 
its successors in interest to the JET brand. 

 

Summary of Contents for JCT-3640

Page 1: ... JCT 3640 550641 JCT 3641 550642 JCT 3642 550643 JCT 3643 550644 JCT 3644 550645 JCT 3645 Operation Parts Manual M 550640 Edition 4 11 2018 JET 427 New Sanford Road LaVergne TN 37086 Ph 800 274 6848 www jettools com Copyright 2017 JET ...

Page 2: ...r and placing the tip against the work surface 11 Do not operate air tool without its guards in place Do not modify the tool 12 Do not operate this tool while tired or under the influence of drugs alcohol or any medication 13 Adopt a comfortable posture with proper balance and maintain secure footing at all times Non slip footwear or anti skid floor strips are recommended 14 Do not wear loose clot...

Page 3: ... has appropriate shank with oval collar and dimensions for this chipping hammer 36 Always secure tool in retainer and place end of tool against workpiece before turning on hammer 37 Disconnect machine from air supply before changing tooling 38 Retainer must be properly installed with coil spring to prevent tool ejection during operation 39 Always grip chipping hammer firmly with both hands Familia...

Page 4: ...s set 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...

Page 5: ...ion value 14 69 m s2 14 69 m s2 21 14 m s2 Noise level 1 97 1 dB A 97 1 dB A 97 6 dB A Overall length 13 1 4 in 336 6 mm 13 1 4 in 336 6 mm 15 1 4 in 387 4 mm Housing material steel steel steel Net weight 15 2 lb 7 kg 15 2 lb 7 kg 16 lb 7 3 kg Shipping weight 17 lb 7 7 kg 17 lb 7 7 kg 18 lb 8 kg 1 The specified values are emission levels and are not necessarily to be seen as safe operating levels ...

Page 6: ...FM 8 CFM 8 CFM Air Inlet 3 8 in NPT 3 8 in NPT 3 8 in NPT Air hose minimum inside diameter 1 2 in 1 2 in 1 2 in Required air pressure 90 psi 6 2 bar 90 psi 6 2 bar 90 psi 6 2 bar Force per blow 90psi 28 01 Joule 30 41 Joule 30 41 Joule Vibration value 21 14 m s2 23 51 m s2 23 51 m s2 Noise level 1 97 6 dB A 97 5 dB A 97 5 dB A Overall length 15 1 4 in 387 mm 16 5 8 in 422 3 mm 16 5 8 in 422 3 mm H...

Page 7: ...oove until completely installed If needed spray lubricant into groove to facilitate spring insertion An unsecured tool can be ejected from the cylinder with force causing injury Retainer and spring must be properly installed before using chipping hammer 7 Remove protective cap from air inlet Figure 1 If an in line oiler is not being used add 4 or 5 drops of air tool oil not included into the air i...

Page 8: ...M 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 5 Change filters on the air system on a regular basis 6 Air line pressure may be increased accordingly to...

Page 9: ...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 wrenches grinders and sanders Recycling Protect the environment Your tool c...

Page 10: ... manual 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 at air inlet o rings etc 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 coup...

Page 11: ...ough 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 parts such as fasteners can be found at local hardware stores or may be ordered from JET Some parts are shown for reference only and may not be available individually ...

Page 12: ...JCT3640 11 Trigger 1 12 JCT3640 12 Handle 1 JCT3640 12A Handle assembly 1 12 19 1 15 JCT3640 15 Upper valve seat 1 Index Part No Description Qty 16 JCT3640 16 Valve 1 17 JCT3640 17 Valve plate 1 18 JCT3640 18 Lower valve seat 1 19 5F E208 Roll pin 5x28mm 1 20 JCT3640 20 Dowel pin 7 8x22 5mm 2 22 JCT3640 22 Piston 1 2 in 1 23 JCT3640 23 Cylinder 2 in 1 27 JCT3640 27 Clutch ring 1 28 JCT3640 28 Exha...

Page 13: ...gger 1 12 JCT3640 12 Handle 1 JCT3640 12A Handle assembly 1 12 19 1 15 JCT3640 15 Upper valve seat 1 Index Part No Description Qty 16 JCT3640 16 Valve 1 17 JCT3640 17 Valve plate 1 18 JCT3640 18 Lower valve seat 1 19 5F E208 Roll pin 5x28mm 1 20 JCT3640 20 Dowel pin 7 8x22 5mm 2 22 JCT3640 22 Piston 1 2 in 1 23 JCT3640 23 Cylinder 2 in 1 27 JCT3640 27 Clutch ring 1 28 JCT3640 28 Exhaust shield 1 3...

Page 14: ... JCT3640 11 Trigger 1 12 JCT3640 12 Handle 1 JCT3640 12A Handle assembly 1 12 19 1 15 JCT3640 15 Upper valve seat 1 Index Part No Description Qty 16 JCT3640 16 Valve 1 17 JCT3640 17 Valve plate 1 18 JCT3640 18 Lower valve seat 1 19 5F E208 Roll pin 5x28mm 1 20 JCT3640 20 Dowel pin 7 8x22 5mm 2 22 JCT3642 22 Piston 3 in 1 23 JCT3642 23 Cylinder 3 in 1 27 JCT3640 27 Clutch ring 1 28 JCT3640 28 Exhau...

Page 15: ...igger 1 12 JCT3640 12 Handle 1 JCT3640 12A Handle assembly 1 12 19 1 15 JCT3640 15 Upper valve seat 1 Index Part No Description Qty 16 JCT3640 16 Valve 1 17 JCT3640 17 Valve plate 1 18 JCT3640 18 Lower valve seat 1 19 5F E208 Roll pin 5x28mm 1 20 JCT3640 20 Dowel pin 7 8x22 5mm 2 22 JCT3642 22 Piston 3 in 1 23 JCT3642 23 Cylinder 3 in 1 27 JCT3640 27 Clutch ring 1 28 JCT3640 28 Exhaust shield 1 31...

Page 16: ... JCT3640 11 Trigger 1 12 JCT3640 12 Handle 1 JCT3640 12A Handle assembly 1 12 19 1 15 JCT3640 15 Upper valve seat 1 Index Part No Description Qty 16 JCT3640 16 Valve 1 17 JCT3640 17 Valve plate 1 18 JCT3640 18 Lower valve seat 1 19 5F E208 Roll pin 5x28mm 1 20 JCT3640 20 Dowel pin 7 8x22 5mm 2 22 JCT3644 22 Piston 4 in 1 23 JCT3644 23 Cylinder 4 in 1 27 JCT3640 27 Clutch ring 1 28 JCT3640 28 Exhau...

Page 17: ...igger 1 12 JCT3640 12 Handle 1 JCT3640 12A Handle assembly 1 12 19 1 15 JCT3640 15 Upper valve seat 1 Index Part No Description Qty 16 JCT3640 16 Valve 1 17 JCT3640 17 Valve plate 1 18 JCT3640 18 Lower valve seat 1 19 5F E208 Roll pin 5x28mm 1 20 JCT3640 20 Dowel pin 7 8x22 5mm 2 22 JCT3644 22 Piston 4 in 1 23 JCT3644 23 Cylinder 4 in 1 27 JCT3640 27 Clutch ring 1 28 JCT3640 28 Exhaust shield 1 31...

Page 18: ...t with 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...

Page 19: ...JET 19 This page intentionally left blank ...

Page 20: ...20 JCT 3640 series Chipping Hammers 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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