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CAUTION
● Warm up procedure with no-load should be carried out about 5
minutes before operation. Especially, when the wrench is used at
low torque setting under low temperature (0～10℃), the warm up
procedure with no-load must be carried out at least 5 minutes In
this case, the torque setting dial should be set at Maximum.
■ After the warm up procedure is finished, set the desired torque and
squeeze the trigger switch to check the activation of the wrench.
Summary of Contents for GNR121E-UC
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