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Removing/Installing Chuck
or Faceplate
The BD-10 spindle nose mounting system
uses a circular lock plate with slotted holes
that are oversized at one end (keyholes).
When the lock plate is rotated
counterclockwise (as facing the chuck), the
studs with mounting nuts can pass through
the spindle nose. When the lock plate is
rotated toward the back of the lathe, the
oversized holes narrow to the size of the
studs, allowing
the mounting nuts to be tightened against
the back of the lock plate, thus, securing the
chuck or faceplate.
To remove a chuck or faceplate from
the lathe spindle nose, do these steps:
1. DISCONNECT LATHE
FROM THE POWER
SOURCE!
2. Move the lathe chuck guard away from
the chuck.
3. Familiarize yourself with the spindle
nose components shown in Figure 8.
4. Place a piece of plywood over the bed-
ways to protect your hands.
5. Hold the chuck/faceplate with your hand
or a chuck key, and using a 17mm wrench,
loosen the three chuck mounting nuts on
the back of the knurled lock plate. DO NOT
back the nuts out all the way or they will
scratch the metal cover when you rotate the
lathe chuck.
6. Rotate the lock plate toward the front of
the lathe
7. Remove the chuck/faceplate from the
spindle nose by pulling it out (Figure 9).
Note: The tolerances are tight, so you may
need to tap the chuck/faceplate with a
rubber mallet, rotate it 1⁄4 of a turn, tap it,
rotate it, and continue repeating this process
until the chuck comes out.
Never use a pry bar or steel hammer to
remove the chuck or you will damage
machine components!
Figure 8 : Spindle nose components
Figure 9 :Removing chuck from spindle
nose.
15
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