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NOTE
Always check the direction of the rotation before use.
Please do not exceed the specification and scope of use based on the design, to avoid endangering
your personal safety and to prevent damaging the tool
1
After continuous use, allow the ratchet wrench to sit idle for 2 minutes before
replacing the battery. The temperature of the motor, switch, etc., will rise if the
work is started again immediately after the battery has been changed, eventually
resulting in burned-out.
2. Place the point of the bolt in the socket. Keep the tool pointed straight at the bolt.
3. Apply forward pressure to the tool to prevent the socket from slipping off the bolt.
4. To start, turn ratchet wrench. Always check torque with a torque wrench. The
fastening torque can be affected by many factors including the following:
Voltage: Low voltage due to a nearly discharged battery will reduce the fastening
torque.
Socket Size: Failure to use the correct socket size will cause a reduction in fastening
torque.
Variable Speed Trigger Switch: Operating the tool at a reduced speed will reduce the
fastening torque.
Bolt Size: Larger bolt diameters generally require higher fastening torque. Fastening
torque will also vary according to length, grade, and torque coefficient.
Material: The type of material and surface finish of the material will affect fastening
torque.
Fastening Time: Longer fastening time results in increased fastening torque. Using a
longer fastening time than recommended could cause the screws to be overstressed,
stripped or damaged.
NOTE
Continuous use in variable speed range is not recommended. It may damage the switch and
should be avoided.
NOTE
When change the position of the control button, making sure the variable speed switch is
released.
NOTE
Do not press the trigger with high weight or strike the trigger if the lock button was not
released (push up). Otherwise, the lock button will be broken.
NOTE
The first time the tool is run after changing the direction of rotation, you may hear a click
on start up. This is normal and does not indicate a problem.
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