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Troubleshooting
Trouble
Impact Wrench does
not operate at normal
speed.
Stops operating.
Torque is diminished.
Starts immediately as
soon as air is
connected without
trigger being pressed.
Abnormal vibration
and/or excessive
heat develops in the
tool.
To order parts or reach our service department, call 1-800-274-6848 Monday through Friday (see our
website for business hours, www.jettools.com). Having the Model Number and Serial Number of your tool
available when you call will allow us to serve you quickly and accurately.
Probable Cause
Air pressure is too low.
Air lines are twisted, or there is a
blockage in them.
Air compressor is malfunctioning, or is
not sufficient capacity for the tool.
Air regulator is malfunctioning.
No air pressure.
Trigger or throttle valve is
malfunctioning.
Air leakage.
Throttle valve or trigger are
malfunctioning.
Improper lubrication.
Remedy
Adjust air pressure to 90psi.
Untwist or clean out air lines.
Replace air compressor.
Have regulator repaired or replaced at
an authorized service center.
Check air compressor and hoses.
Make sure compressor is set at 90psi,
and air lines are not twisted.
Have throttle valve/trigger inspected
and repaired at an authorized service
center.
Check connections at the air inlet, o-
rings, etc. Make adjustments/repairs
as needed.
Inspect and repair throttle valve
and/or trigger.
Lubricate properly according to
instructions in this manual.
6
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