-40-
Model W1680 (For Machines Mfd. Since 06/22)
SE
RV
IC
E
4...
Pull cover outward just enough to disengage spring
cover lock slot from locking lug (see
Figure.45
).
5...
Rotate cover counterclockwise to increase spring
tension, or let cover slowly unwind in clockwise
direction to reduce spring tension.
6...
Engage next available spring-cover lock slot with
locking lug, and hold spring lock cover tightly against
side of headstock.
7...
Snug cover nut against spring cover just until nut
stops, and then back-off the nut approximately
1
⁄
3
turn, or just enough so there is no binding anywhere
along complete spindle travel.
8...
Hold cover nut and tighten jam nut against cover nut
(see
Figure.43
).
Figure.45.
Typical spring cover lock slot
and locking lug.
Locking Lug
Spring Cover
Lock Slot
Adjusting.Quill.Shaft.
Screw
While you may never have to adjust the quill shaft
screw, you should understand its function and know how
to adjust it should you ever need to remove the quill for
cleaning. This screw prevents the quill from rotating dur-
ing operations, and if adjusted incorrectly, the quill may
have lash or bind.
3...
Loosen jam nut shown in
Figure.46.
4...
Turn quill shaft screw clockwise or counterclockwise
to establish free, unbinding travel while moving quill
up and down through its entire range of travel.
5...
When quill shaft screw is screwed inward against
quill as far as screw can go without binding quill,
hold screw and tighten jam nut.
6...
Recheck for quill binding and looseness while moving
quill up and down through its entire range of travel
and readjust as required.
Figure.46..
Typical quill-shaft screw and
jam nut.
Jam Nut
Quill Shaft
Screw
Tools.Needed.
Qty
Open-End Wrench 16mm.......................................1
Hex Wrench 5mm ...............................................1
To.adjust.quill.shaft.screw,.do.these.steps:
1.
DISCONNECT MACHINE FROM POWER!
2.
Clean and lubricate quill as described in
Lubrication
on
Page 37. Quill should travel freely.