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Assembly - (cont.)
Step 3. Remove the collet.
Note: If the collet nut and collet are not removed from
the motor shaft, the tool will not function properly.
Step 4. Install the driver cap on the motor shaft and
tighten.
To prevent damage to tool, do not
overtighten driver cap. Tighten
the driver cap finger tight and then tighten an
additional 1/3 turn with the wrench. (Wrench included
with your rotary tool kit)
Step 5. Attach by screwing the collar of the flex-shaft
to the rotary tool. Make sure the square end of the
center core engages the square hole socket in the
driver cap.
Do not pull out center core to
engage into driver cap. This
could cause disengagement of center core from
handpiece. If tool stops when shaft is bent, center
core may be lodged in driver cap. Loosen shaft and
remove core from driver cap. Then screw flexible
shaft onto rotary tool housing again.
Disengagement of the Flex-Shaft
The flexible shaft may become disengaged if the
motor of your rotary tool is not elevated higher than
the working end of the flex-shaft. The #2222 Rotary
Tool Stand is recommended to hold the rotary tool at
the proper height.
Collet and Accessory Assembly
The collet assembly consists of a collet nut and collet.
Take the collet nut
and collet that
were removed
from your tool in
step 2 and 3 and
insert them into
the tip of the flex-
shaft handpiece.
Insert an accessory or
bit as deeply as
possible to avoid
wobble during use.
With the shaft lock
button engaged on the
flex-shaft handpiece
retighten the collet nut.
Collet Removal and Replacement
Four different size collets to accommodate different
shank sizes, are sold separately for your flex-shaft. To
install a different collet, remove the collet nut and
remove the old collet. Insert the unslotted end of the
collet in the hole in the end of the flex-shaft. Replace
collet nut on the shaft. Always use the collet which
matches the shank size of the accessory you plan to
use. Never force a larger diameter shank into a
collet.
Do not operate the
flexible shaft with a
sharp or multiple
bends. Over bending
the shaft can generate
excessive heat on the
jacket or hand piece
and may cause the flexible shaft to disengage from
tool. The minimum recommended bend radius is 13cm.
Flexible Shaft Lubrication
The flex-shaft should be lubricated after every 25-30
hours of use. To lubricate, unscrew the flex-shaft
assembly from the motor housing. Pull the center
core out of the flex-shaft assembly. Wipe a very thin
film automotive wheel bearing grease on to the center
core and reinsert it back into the shaft. To prevent
damage to tool do not over grease shaft. Too much
grease will cause the unit to overheat.
Reattach the flex-shaft to the rotary tool.
Contents of 225 Flex-Shaft Attachment
Qty. Description
1 Flex-Shaft Assembly (1,07m long)
1 Driver Cap
!
CAUTION
DRIVER
CAP
MOTOR
SHAFT
H
OUSING
C
AP
C
OLLET
(
inside)
SHAFT LOCK
BUTTON
!
CAUTION
13CM
RADIUS
DM 2610934164 05-06 10/6/06 8:41 AM Page 7