6
Troubleshooting
Trouble Probable
Cause
Remedy
Air pressure is too low.
Adjust air pressure to 90psi.
Air lines are twisted, or there is a
blockage in them.
Untwist or clean out air lines.
Ratchet wrench does
not operate at normal
speed.
Air compressor is malfunctioning, or is
not sufficient capacity for the tool.
Replace air compressor.
No air pressure.
Check air compressor and hoses.
Make sure compressor is set at 90psi,
and air lines are not twisted.
Stops operating.
Trigger or throttle valve is
malfunctioning.
Have throttle valve/trigger inspected
and repaired at an authorized service
center.
Torque is diminished. Air leakage.
Check connections at the air inlet, o-
rings, etc. Make adjustments/repairs
as needed.
Starts immediately as
soon as air is
connected without
trigger being pressed.
Throttle valve or trigger is
malfunctioning.
Inspect and repair throttle valve
and/or trigger.
Abnormal vibration
and/or excessive
heat develops in the
tool.
Improper lubrication.
Lubricate properly according to
instructions in this manual.
To order parts or reach our service department, call 1-800-274-6848 between 7:30 a.m. and 6:00 p.m.
(CST), Monday through Friday. Having the Model Number and Serial Number of your tool available when
you call will allow us to serve you quickly and accurately.
Summary of Contents for JNS-5052
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