Grizzly G0709 Owner's Manual page 73

14" x 40" gunsmithing lathe
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4.
loosen the preload set screw (see figure
115) a few turns until it no longer contacts the
headstock.
5.
tap the outside of the gap piece with a dead
blow hammer to loosen it, and, with the help
of another person, remove the gap piece.
To re-install the gap:
1.
Clean all mating surfaces completely with
mineral spirits and inspect and remove any
burrs. All MAting surFACes Must Be
ABsolutely CleAn!
2.
lightly oil a lint-free cloth with way oil, and
rub a thin film into the pores of the freshly
cleaned gap surfaces. next, place the gap in
position on the lathe bed.
3.
Back off the threaded dowel pin jam nuts until
they are flush with the end of the pins, and
drop the pins into the pin holes in the gap.
4.
Jostle the gap closer to its final alignment
until the pins seat naturally.
Model G0709 (Mfg. Since 5/11)
5.
install and lightly snug the four cap screws
in an order that will draw the gap closer into
alignment. using blocks of wood and clamps
to get mating surfaces into alignment can
also be helpful.
6.
When alignment and flush mating is accept-
able, tighten the four cap screws in a pattern
that will maintain or improve the alignment.
7.
Wait 24 hours, and check for quality of mat-
ing. if unacceptable, use clamps and blocks
of wood, and loosen and tighten the appropri-
ate cap screws to draw-in and release certain
areas of the gap to achieve the required
alignment.
8.
When satisfied with the alignment, tap the
dowel pins the rest of the way into the gap
until they are in a fully seated position, and
thread the jack nuts down until they just con-
tact the gap.
9.
tighten the preload set screw inward until it
contacts the headstock and resistance can
be felt, then tighten it an additional
-turn.
3
4
-71-

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