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ASSEMBLY AND ADJUSTMENTS
ATTACHING THE FLEX SHAFT (Fig. 5 - 14)
FOR VIDEO INSTRUCTIONS ON ATTACHING THE FLEX SHAFT, VISIT: http://bit.ly/wenflexshaft
Fig. 5
Fig. 7
Fig. 10
Fig. 12
Fig. 6
Fig. 8
Metal Ring
Collet Nut
Fig. 11
Fig. 13
Fig. 14
IMPORTANT:
Follow the rules below when using your flex shaft to
prevent overheating and causing personal injuries.
•Lubricate your flex shaft regularly to prevent overheating (see
"Lubricating the Flex Shaft" on page 16).
• Do not bend the flex shaft near its connection to the rotary tool.
Keep it straight.
1. Unscrew and remove the locking collar from the end
of the rotary tool (Fig. 5).
2. Use the 1/8" collet for attaching the flex shaft. Press
down on the spindle lock button (Fig. 6) to unscrew the
collet nut and check the collet size. Replace the collet
nut.
3. Take the flex shaft from your tool kit and pull the in-
ner core out about 2 to 3 inches (Fig. 7).
4. Insert the inner core of the flex shaft into the spindle
hole through collet nut and collet (Fig. 8). Make sure
that the golden metal ring is pressed tightly against the
collet nut (Fig. 9). Press down on the spindle lock but-
ton, 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 silver flex shaft adapter and screw it onto
the rotary tool by turning it clockwise (Fig. 10).
6. Once secured, take L-shaped tool and insert it into
the spindle hole on the side of the flex shaft to prevent
the flex shaft spindle from rotating. (Fig. 11).
7. Unscrew the flex shaft collet nut and check the size of
the collet against your rotary bit. Use the correct size of
collet for your desired rotary tool bit (Fig. 12).
8. Install the collet and collet nut, and fully insert the
rotary bit into the center hole through the collet. Lock
the spindle with the L-shaped tool and use the included
wrench to fully tighten the collet nut and ensure that the
bit is properly secured to the flex shaft (Fig. 15).
Fig. 9
13
• Never 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 (Fig. 14). Bending the shaft farther than this can
generate excessive heat and damage the flex shaft.
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