15. Excessive air pressure and too much free Do not use this tool for other than its intended rotation may decrease life of the tool and may use. If used for other purposes, JET disclaims cause a hazardous situation. any real or implied warranty and holds itself 16.
Page 3
32. Do not lubricate the tool with combustible Your risk of exposure varies, depending on liquids, such as kerosene, diesel or jet fuel. how often you do this type of work. To reduce 33. Do not dispose of this tool with normal your exposure to these chemicals, work in a household waste.
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: www.jettools.com.
Specifications were current at time of publication, but because of our policy of continuous improvement, JET reserves the right to change specifications at any time and without prior notice, without incurring obligations.
When finished operating grinder, Figure 1 (JAT-480 shown) disconnect air hose. Wipe off housing with a Loosen collet nut using the two wrenches on dry cloth. Place 4 or 5 drops of air tool oil into the flats of the collet nut and spindle (Figure air inlet;...
Page 7
Use a light oil containing rust inhibitors, such as If the air tool is not performing according to SAE #10. Many JET air tools have integral oil specifications, the following are among the most reservoirs, which should be kept filled when in-line common causes.
Page 8
Figure 2 Recommended arrangement of air piping and air line system JAT-480,481,482 Die Grinders...
Page 9
Troubleshooting JAT-480 series Die Grinders Any disassembly of the tool should be done by qualified service personnel. For problems not addressed below, contact JET technical service at 800-274-6846. Problem Possible cause Remedy Tool will not start. Air valve closed or obstructed.
Page 10
#505480, JAT-480 Die Grinder – exploded view JAT-480,481,482 Die Grinders...
Page 11
#505480, JAT-480 Die Grinder – parts list Index Part No. Description Index Part No. Description JAT480-01 Motor Housing 19 JAT480-19 Front End Plate JAT480-02 Ring 20 72017 Spring Pin 2.5x6L JAT480-03 Air Inlet, 1/4-18 NPT 21 BB-6000ZZ Ball Bearing 6000ZZ...
Page 12
#505481, JAT-481 Extended Die Grinder – exploded view JAT-480,481,482 Die Grinders...
Page 13
#505481, JAT-481 Extended Die Grinder – parts list Index Part No. Description Index Part No. Description JAT480-01 Motor Housing 20 72017 Spring Pin 2.5x6L JAT480-02 Ring 21 BB-6000ZZ Ball Bearing 6000ZZ JAT480-03 Air Inlet, 1/4-18 NPT 22 JAT480-22 Collet Holder JAT480-04 Throttle Lever 23 JAT480-23...
Page 14
#505482, JAT-482 Angled Die Grinder – exploded view JAT-480,481,482 Die Grinders...
Page 15
#505482, JAT-482 Angled Die Grinder – parts list Index Part No. Description Index Part No. Description JAT480-01 Motor Housing 24 JAT482-24 Spindle JAT480-02 Ring 25 SM-30102 Spring Pin 3x24L JAT480-03 Air Inlet, 1/4-18 NPT 26 JAT320-14 Spring Pin 2x16L JAT480-04 Throttle Lever 27 JAT482-27 Felt Oiler...
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. JAT-480,481,482 Die Grinders...
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.
Page 18
This page intentionally left blank. JAT-480,481,482 Die Grinders...