Grizzly G9249 - Manual (Page 59)

g9249 12" x 37" Belt drive gap Bed lathe
-57-
3. use the handwheels to test the slide move-
ment and repeat Step 2 if necessary.
Note: Adjust gib pressure until you feel a
slight drag in the movement of the slide.
Tailstock Lock
When pushed toward the spindle, the tailstock lock
holds the tailstock firmly in place on the bedway
with a locking plate underneath the tailstock.
Tools Needed Qty
Wrench 18mm ................................................... 1
To adjust the tailstock lock:
1. Move the tailstock lock down, then position
the tailstock to an area on the bedway that
will allow access to the locking hex nut and
plate underneath the tailstock (see
figure
98).
figure 98. tailstock locking hex nut and plate.
locking hex nut & plate
tailstock lock
2. tighten the locking hex nut a 1/4 turn at a
time until the tailstock will not move when
locked. repeat this step as necessary.
cross Slide
Backlash
Backlash is the amount of play in the handwheel,
felt when turning the handwheel, but before the
slide begins to move.
Note: When adjusting backlash, keep in mind the
goal is to tighten the cross slide leadscrew without
causing it to bind. Overtightening will cause exces-
sive wear to the sliding block and leadscrew.
To adjust the cross slide backlash:
1. disConneCt lAthe FroM poWer!
2. remove the rear splash pan from the lathe.
3. From the rear of the cross slide, loosen/
tighten the two phillips head screws shown
in
figure 99 until you are satisfied with the
amount of backlash.
figure 99. Cross slide backlash adjustment
screws (viewed from the rear of the cross slide).
Adjustment screws
Cross slide leadscrew
4. re-install the rear splash pan.