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2. Turn the driver on and tighten a screw to check that the
driver stops at a satisfactory level of tightness.
3. Readjust the torque setting, tighter or looser, as necessary.
Repeat the procedure until you arrive at the desired torque
setting.
It is recommended that a Hios torque meter be used to
measure torque. Use the HP series for measurement of the
driver's torque setting and the HDP series or the HDM series
to measure loosening or tightening torque of screws.
■ If Repairs are Requested
Check the items listed in the table below, and if a malfunction
is found, contact your store of purchase of our company.
Always include your warranty card when sending in the driver
for repairs.
Symptoms
The driver motor
sometimes fails to operate
The driver is weak and
cannot tighten screws
sufficiently
Cause and Treatment
• Is the cord severed?
Stop any work and request repairs.
• Is the torque setting at the correct position?
Refer to the output torque guidance
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