Gib Adjustments; Handwheel Thrust Bearing Adjustment; Cross Slide Nut Adjustment - CLAUSING 1300 Series Instructions And Parts Manual

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FIGURE 23
CARRIAGE SADDLE GIB ADJUSTMENT
Four gibs, located directly under the saddle wipers,
are provided to compensate for wear. The gibs (A,
figure 23) are adjusted by set screws (B) located
in the gib brackets. The two rear brackets and the
left front bracket have three set screws each; the
right front has two.
FIGURE 24
HANDWHEEL THRUST BEARING ADJUSTMENT
Backlash in either cross slide or tool post slide
handwheel can be removed by tightening nut (C or D,
figure 25). Do not overtighten to prevent over load­
ing the bearing.
Adjust as follows:
1. Place power feed lever in neutral and disengage
half nuts.
2. Clean under bed ways and apply a light coat of
oil.
3. Remove thread dial for access to right front gib.
4. Adjust the set screws in each gib bracket evenly
until a slight drag is felt as carriage is moved
along the ways.
5. Replace thread dial.
CROSS SLIDE AND TOOL POST
SLIDE GIB ADJUSTMENT
Gibs are properly adjusted when tool post slide and
cross slide move with a slight drag.
A single screw is used to adjust each tapered gib
as follows:
FIGURE 25
CROSS SLIDE NUT ADJUSTMENT
If backlash develops between cross feed screw and
nut, adjust as follows:
1. Loosen socket capscrew (A, figure 25) in top of
cross slide.
2. Turn cross slide handwheel right and left while
slowly tightening set screw (B) until backlash
is eliminated.
1. Shift power feed lever to neutral position.
2. Loosen gib nut (A, figure 24).
3. Turn adjusting screw (B) until slide moves with
a slight drag.
4. Retighten gib nut. 3. Tighten cap screw (A).
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