Grizzly G9972Z Owner's Manual: Cross Slide Backlash Adjustment

11" x 26" light-duty lathe w/gearbox.
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cross Slide
Backlash Adjustment
Backlash is the amount of play in a leadscrew. it
is felt when turning a handwheel in one direction,
then turning it in the other direction. the distance
that the handwheel moves without moving the
leadscrew or components is the backlash.
When adjusting backlash, tighten the compo-
nents enough to remove excessive backlash,
but not so much that the components bind the
leadscrew, making it hard to turn. overtightening
will cause excessive wear to the sliding block and
leadscrew.
Tools Needed
hex Wrench 4mm .............................................. 1
hex Wrench 5mm .............................................. 1
Wrench 14mm ................................................... 1
To adjust the cross slide backlash:
1.
Loosen the hex nuts and remove the set
screws and flat washers that secure the
compound slide to the cross slide (see
figures 72–73).
Compound slide
Fasteners (1 of 2)
figure 72. Compound slide fasteners.
-48-
adjustment screw
figure 73. Cross slide backlash adjustment set
screw (compound slide removed).
2.
remove the compound slide and place it in a
clean, stable location.
Qty
3.
adjust the backlash adjustment cap screw
shown in figure 73 in small increments.
Note: Turn the adjustment screw clockwise
to reduce backlash and counterclockwise to
increase it.
4.
test after each adjustment by rotating the
handwheel back-and-forth until the backlash
amount is acceptable.
5.
re-install the compound slide.
G9972Z 11" x 26" Lathe w/Gearbox

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