Dremel 400 Series XPR Instructional Safety Manual page 8

Always unplug rotary tool before changing accessories, changing
WARNING
!
collets, or servicing the tool.
The Dremel™ accessories available for the
rotary tool come with various shank sizes.
Four size collets are available to accommodate
the different shank sizes. Collet sizes are iden-
tified by the rings on the back of the collet:
• 1/32" collet has 1 ring (No. 483)
• 1/16" collet has 2 rings (No. 482)
• 3/32" collet has 3 rings (No. 481)
• 1/8" collet has no rings (No. 480)
NOTE: Some rotary tool kits may not include all
four collet sizes. Collets are available separately.
Always use the collet which matches the shank size of the accessory you
CAUTION
!
plan to use. Do not force a larger diameter shank into a smaller collet.
Changing Collets
1. Press the shaft lock button, hold down
and rotate the shaft by hand until it
engages the shaft.
Do not engage the shaft
WARNING
!
lock button while rotary
tool is running.
2. With the shaft lock button engaged,
loosen and remove the collet nut. Use
the collet wrench if necessary.
3. Remove the collet by pulling it free from
the shaft.
4. Install the appropriate size collet fully
into the shaft and reinstall the collet nut
finger tight. Do not fully tighten the nut
when there is no bit or accessory
installed.
Changing Accessories
1. Press the shaft lock button and rotate
the shaft by hand until it engages the
shaft lock.
Do not engage the shaft
WARNING
!
lock button while rotary
tool is running.
2. With the shaft lock button engaged,
loosen (do not remove) the collet nut.
Use the collet wrench if necessary.
3. Insert the bit or accessory shank fully
into the collet.
4. With the shaft lock button engaged, fin-
ger tighten the collet nut until the bit or
accessory shank is gripped by the collet.
ASSEMBLY
Collets
1/8" Collet (480)
Collet Nut
Shaft Lock Button
Collet Wrench
Shaft Lock Button
NOTE: Be sure to read the instructions
supplied with your Dremel™ accessory for
further information on its use.
8
3/32" Collet (481)
1/16" Collet (482)
1/32" Collet (483)
To
Tighten
To
Loosen
Collet Nut