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to Excel Adjustable Spoke Torque Wrench Information
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TWS-206A Torque Wrench Instructions
Cong ratulations
on your purchase of the RK Excel Torque Wrench
Set. This superbly crafted professional tool
is designed to ease wheel building and maintenance
duties of nearly all spoke wheel applications
for motorcycles. It features a lightweight chrome
aluminum body to reduce hand and finger fatigue.
It is also fully adjustable to allow the mechanic
flexibility depending on application requirements.
Accuracy & General Care
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The Excel torque wrench is a precision instrument.
Keep it stored in the protective plastic case when not in use
to protect it from damage, dirt, and moisture.
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Calibration accuracy is pre-set at the factory
to function at a performance level of + or – 2% under normal
use. During storage, you should always reset the torque setting
to zero to release tension on measurement spring to ensure long
life and performance. Abuse, using excessively high settings,
or improper operation can result in calibration errors. Periodic
recalibration is recommended to maintain accuracy.
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Warning - The torque wrench
is designed to set final spoke nipple tension. DO NOT use it
to loosen nipples or to disassemble wheels. Use a standard nipple
wrench for those jobs.
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Warning – DO NOT turn the
small set screw at the bottom of the wrench. This will affect
the calibration factor.
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The Excel Torque Wrench has a “Pounds Inch”
(Lbs in) tension scale. Setting adjustments can be made by twisting
the adjustment handle to the appropriate tension mark.
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General recommendation for most motocross &
off-road wheels is 45-50 Lbs in. Excel Pro Series wheels are
built to 48 Lbs in. Be sure to check the manufacturer’s specification
for your make and model of motorcycle. Use the quick reference
torque conversion chart on the inside lid of the plastic case
for N-m or Kg-cm readings.
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Warning – Setting the tension
at higher levels transfers more stress on the hub, spokes, nipples,
and rim. Setting the tension at lower levels transfers less
stress, but requires more frequent maintenance and increases
the chance of spokes becoming excessively loose.
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There are several nipple heads included with
your new torque wrench. Before using the wrench insert the head
you are using into the top of the torque wrench. There is a
small detent in each head and a mating ball in the wrench. Make
sure the ball is lined up with the detent in the head by rotating
the head till it clicks into place.
-
When using the torque wrench the head will
“pop” sideways when the desired spoke tension is reached. Continuing
to tighten the nipple after the torque wrench has “popped” will
result in more pressure on the nipple than what is set on the
torque wrench. Don’t do this.
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