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Screw the flexible shaft onto the Rotary Tool housing
being sure that the square end of the center core
engages the square hole socket in the driver cap
Figure 3.
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.
Flex-Shaft Collet Assembly
The collet assembly consists of a collet nut and collet.
To change bits use the wrench and a bit. Insert the
shank portion of any bit (1/8" shank recommended)
through the opening in the flex-shaft hand piece to
lock the shaft. With the shaft secured, use the wrench
to loosen or tighten the collet nut as shown in Figure
4. With the collet nut loose, insert an accessory or bit
as deeply as possible to avoid wobble during use.
Retighten the collet nut.
Collet Removal and Replacement
Four different size collets to accommodate different
shank sizes, are available 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.
Flexible Shaft Lubrication
The flexible shaft should be lubricated after every 25-
30 hours of use. To lubricate, unscrew the flexible
shaft assembly from the motor housing. Pull the
center core out of the flexible shaft assembly. Wipe a
very thin film of a good quality, high temperature
grease on to the center core.
To prevent damage to tool do
not over grease shaft. Too much
grease will cause the unit to overheat. Automotive
wheel bearing grease should be used.
Reattach the flex-shaft to the rotary tool.
Do not operate the flexible shaft
with a sharp bend (A). This can
generate excessive heat and will reduce tool and flex-
shaft life. The recommended minimum is 6" radius (B).
Contents of 225 Flex-shaft Attachment
Qty
. Description
1 Flex-Shaft Assembly (42" long)
1 Driver Cap
C
C
A
A
U
U
T
T
I
I
O
O
N
N
!
HOUSING
CAP
COLLET
NUT
DRIVER
CAP
MOTOR
SHAFT
FLEXIBLE
SHAFT
DRIVER CAP
COLLET
NUT
BIT
COLLET (inside)
FIG. 1
FIG. 2
FIG. 3
FIG. 4
B.
A.
6" RADIUS
!
W
ARNING
Assembly - (cont.)