Page 2 - IMPORTANT SAFETY INSTRUCTIONS; General air tool warnings
2 JAT-128 Impact Wrench IMPORTANT SAFETY INSTRUCTIONS General air tool warnings 1. Read and understand this entire manual before attempting assembly or operation. 2. Read and understand all warnings posted on the tool and in this manual. Failure to comply with all of these warnings may cause ser...
Page 3 - Specific warnings for Impact Wrench
JET 3 24. Keep visitors a safe distance from the work area. Keep children away. 25. Give your work undivided attention. Looking around, carrying on a conversation and “horse-play” are careless acts that can result in serious injury. 26. Do not force a tool or attachment to do a job for which it wa...
Page 4 - About this manual
4 JAT-128 Impact Wrench About this manual This manual is provided by JET, covering the safe operation and maintenance procedures for a JET Model JAT-128 Pneumatic Impact Wrench. This manual contains instructions on safety precautions, general operating procedures, maintenance procedures and part...
Page 5 - Tool specifications
JET 5 Tool specifications Model JAT-128 Impact Wrench Stock number 505128 Square drive 1 in. Anvil retainer type Ring Impact mechanism Twin hammer Maximum torque 1,400 lbf•ft (1898 N•m) Working torque 240~1100 lbf•ft (325.4~1491.4 N•m) Free speed 5300 RPM Blows per minute 936 Average air consumpti...
Page 7 - Maintenance
JET 7 Maintenance Lubrication The impact wrench should be lubricated daily (or before each use) with air tool oil through the air inlet. During continual operation, it should be re-oiled every 1 to 2 hours. This can be done with an in-line oiler, or manually. If done manually, proceed as follows: ...
Page 8 - Lubrication
8 JAT-128 Impact Wrench Use anti-whip devices across hose couplings to prevent hose from whipping in the event of a hose failure or coupling disconnect. Always use moisture traps at the compressor for the main distribution line. Use moisture traps and in-line oilers on each downline that is to b...
Page 9 - Troubleshooting JAT-128 Impact Wrench
JET 9 Troubleshooting JAT-128 Impact Wrench 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. Open valve; cle...
Page 11 - Replacement parts
JET 11 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...
Page 14 - Warranty and Service
14 JAT-128 Impact Wrench 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 l...
