Surtek 107102 Instructivo Y Garantia página 6

6. Clean wrench by wiping do not submerge in any
type of cleaner which may affect special high
pressure lube with which the wrench is packed at
the factory.
7. This torque wrench was calibrated and tested
before leaving the factory and is accurate to +-4%.
8. THIS A PRESICION MEASURING INSTRUMENTS.
CALIBRATION AND SERVICING MUST BE DONE
REGULARY AND IS THE OWNERS RESPONSABILITY.
9. Do not apply this wrench as a striking tool or a
conventional wrench.
CALIBRATION RECOMMENDATIONS.
• Less than three hour per week once a year.
• Between three and five hours per week once
each six months.
• Between five and twenty-five hours per week
once each three months.
• More than twenty-five hours per week once each
months.
• It will have to calibrate whenever one abuses its
struck use that is.
• Calibration must be done by quality personnel.
USE OF EXTENSIONS AND ADAPTERS
When using an extension or adapter (increasing the
effective length of the torque wrench) the output
torque value will change.
torque output of the wrench use the formula bellow.
• A number of variables including the length of the
adapter or extension, length of the wrench in
variations in hand position on the wrench wheel
affect the accuracy of the above calculation.
·TA = Torque exerted at the end of adapter.
· L = Distance between square drive hand position.
· TW = Wrench scale reading.
· A = Length of adapter or extension.
To calculate the new