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Model G8688 (Mfg. 3/09+)
Tools Needed Qty
Slotted Screwdriver ........................................... 1
To replace the motor brushes:
1. UNPLUG THE MACHINE!
2. Remove the front and rear caps (see Figures
38 & 44).
Replacing Motor
Brushes
Figure 38. Front motor brush cap.
Adjusting Gibs
There are two gib adjustments for the Model
G8688—the cross-slide gib and the compound
slide gib. The apron gib has been adjusted at the
factory and should need no further attention. See
Figure 37 for location.
NOTICE
When adjusting gibs, keep in mind that
the goal of gib adjustment is to remove
unnecessary movement from the slides
without causing them to bind. Loose gibs
may cause poor finishes on the workpiece
and undue wear on the slide, nut and lead
screw. Over tightening will make turning
the handwheel difficult.
Tools Needed Qty
Hex Wrench 2mm .............................................. 1
Wrench 7mm ..................................................... 1
To perform this procedure for the cross-slide
gib and the compound-slide gib:
1. UNPLUG THE MACHINE!
2. Loosen the three locknuts.
3. Tighten or loosen the set screw and check
the sliding movement. It should be even and
smooth while removing any play. Readjust as
needed.
4. Tighten the three locknuts.
3. Replace the motor brushes.
4. Replace the caps.
Figure 37. Gib adjustment screws.
Compound Slide
Cross Slide