ASSEMBLY AND ADJUSTMENTS
ATTACHING THE FLEX SHAFT
FOR VIDEO INSTRUCTIONS VISIT: http://bit.ly/wenflexshaft
1. Unscrew and remove the locking collar fromn the end of the rotary tool.
2. Take the flex shaft and slide the inner core out about 2-3”.
3. Loosen the collet nut by pressing down on the collet lock button and unscrewing the collet nut. Make sure that
the collet being used is appropriate for the flex shaft’s inner core
4. Insert the inner core of the flex shaft into the collet nut. Make sure that the golden metal ring is pressed tightly
against the collet nut. Press down on the collet lock button, and fully tighten the collet nut with the included wrench.
5. Now that the inner core is secured to the collet nut, slide down the flex shaft adapter and screw it in place onto
the rotary tool.
6. Once secured, take the other end of the flex shaft and pull the shaft lock collar all the way back to prevent the
shaft collet nut from rotating.
7. Unscrew the shaft collet nut and check the size of the collet against your rotary bit. Always select the correct size
of collet for the operation.
8. Install the collet and collet nut and fully insert the rotary bit into the center hole through the collet. Use the in-
cluded wrench to fully tighten the collet nut and ensure that the bit is properly secured to the flex shaft.
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WARNING:
Do not cross the flex shaft over itself during operation. Do not operate the flex shaft with
a sharp bend. The recommended minimum radius for the flex shaft is 5 inches. Bending the shaft far-
ther than this can generate excessive heat and damage the flex shaft.
