Accessories; Shop Tools; Warehouse & Dock products; Hand 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.
10. The air tool must be properly lubricated before operating. Do not use this tool for other than its intended use. If used for other purposes, JET disclaims 11. Never start a percussion type air tool (chipper, any real or implied warranty and holds itself breaker, buster, etc.) without securing the...
Page 4
33. Do not lubricate the tool with combustible or storing tool. liquids, such as kerosene, diesel or jet fuel. 23. Make sure tool is switched off, and your finger 34. Do not dispose of this tool with normal off the trigger, before connecting to air supply.
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.
#10 oil or sewing machine oil may be used as a substitute. Do not use detergent oil. Re-connect air. Run die grinder at low Figure 1 (JAT-401 shown) throttle without load for a few seconds to Loosen collet nut using the two wrenches on distribute the oil throughout tool.
Page 8
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 9
Figure 2 Recommended arrangement of air piping and air line system ...
Page 10
Troubleshooting JAT-401/402 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.
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
#505401, JAT-401, 1/4-inch Die Grinder – exploded view JAT-401,402 Die Grinders ...
Page 13
#505401, JAT-401, 1/4-inch Die Grinder – parts list Index Part No. Description Index Part No. Description JAT401-01 Motor housing 70118 Cylinder SM-30102 Spring pin ø3x24L 51219 Front end plate 51203 Air inlet BB-6000ZZ Ball bearing 6000ZZ 51504 Throttle lever 51221...
Page 14
#505402, JAT-402, 1/4-inch Extended Die Grinder – exploded view JAT-401,402 Die Grinders ...
Page 15
#505402, JAT-402, 1/4-inch Extended Die Grinder – parts list Index Part No. Description Index Part No. Description JAT401-01 Motor housing 70118 Cylinder SM-30102 Spring pin ø3x24L 51219 Front end plate 51203 Air inlet BB-6000ZZ Ball bearing 6000ZZ 51504 Throttle lever 51221 Air regulator 51205...
Page 16
427 New Sanford Road LaVergne, Tennessee 37086 Phone: 800-274-6848 www.jettools.com JAT-401,402 Die Grinders ...