66
3. Hold the drain pan under the reservoir drain plug,
then remove the drain plug shown in Figure 27, and
allow the oil to completely drain into the pan.
Gibs
There are three gib adjustments for the Model C8—
the cross-slide gib, the compound slide gib, and the
saddle gib.
Cross-slide Gib—The gib on the cross-slide is ad-
justed by tightening or loosening the five gib screws
located on the right-hand side of the slide (shown in
Figure 28). Before adjusting the gib screws, loosen
their jam nuts.
The gib is held in place by the setscrews. DO NOT
overtighten. The gib is properly adjusted when a slight
drag is detected while turning the hand crank. This
drag should be evenly distributed among the 4 sets-
crews, so adjust each screw evenly.
Compound Gib—The gib on the compound has four
screws that maintain tension on the slide (see Figure
28). These screws are held in place with retaining
nuts.
To adjust, loosen the retaining nuts and then tighten
the screws evenly to achieve a slight drag when tur-
ning the hand crank. When proper tension has been
achieved, tighten the retaining nuts while maintaining
the position of the screw with a hex wrench.
Carriage Gibs—There are four tensioning screws for
both the front and rear saddle gibs (see Figures 29 &
30).
Before making adjustments to the saddle gib, ensure
that the front lock lever is loose by turning it counter-
clockwise. It is important that the screws are tightened
evenly. A slight drag should be detected while turning
the hand crank at the end of the lathe.
Figure 28. Cross slide and compound
gib screws.
Figure 29. carriage gibs screws.
Figure 30. carriage gibs screws.
Summary of Contents for 21149-0107
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