Headstock Spindle Lock; Headstock Spindle Index; Installing Work Holding; Adjusting Tool Rest - Powermatic 4224B Operating Instructions Manual

7.2 Headstock spindle lock

Push in pin (G, Fig 29) to stop the spindle from turning.
Slide down the bracket (F) to keep it locked.
Fig 29
Caution:
Never press the spindle lock while the spindle is turning!

7.3 Headstock spindle index

The hand wheel has 3 arrays of holes
14x25.7°, 36x10°, 48x7.5°
The spindle nose has a matching graduation scale.
Loosen handle (A, Fig 30) and position bracket until
indexer pin aligns with the desired array of holes.
Fig 30
Rotate spindle by observing the spindle graduation.
Push indexer pin to engage the hand wheel hole.
Screw in indexer knob to hold in place.
Caution:
Do not over tighten the indexer knob, to avoid deflection.
Release index pin before turning on the lathe.
Never press the index pin while the spindle is turning!
The indexer assembly can be removed from the lathe by
unscrewing locking handle (A).

7.4 Installing work holding

The faceplate is used for tuning bowls. There are a
number of holes for mounting the workpiece.
Thread the faceplate onto the spindle in a clockwise
direction, and tighten two set screws (E, Fig 31).
Fig 31
Remove the faceplate by loosening two set screws (E).
Push in the spindle lock and use the provided open
spanner (F, Fig 32).
Fig 32
Caution:
If reversing spindle rotation, always make sure face plate,
chuck or vacuum chuck is secured with the set screws.

7.5 Adjusting tool rest

Position the tool rest as close to the workpiece as
possible. Tighten handle (C, Fig 33) to lock.
Set the height to approximately 3mm above centre line.
Tighten indexable knob (D).
If tool rest post begins to slip, tighten up the hex socket
cap screw (E).