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Spindle Spline
1.
DISCONNECT THE MILL FROM POWER!
2.
Manually lower the quill approximately two
inches and lock it in place.
3.
Using the oil can, drip four or five drops of
ISO 68 or SAE 20 non-detergent oil around
the inside of the drawbar access on top of the
headstock (see Figures 61 & 62).
Figure 61. Model G9901/G9902 drawbar
access.
Figure 62. Model G9903 drawbar access.
-44-
4.
Move the quill through the full range of move-
ment to distribute the lubricant evenly.
5.
Using a clean shop rag, wipe away any lubri-
cant from the inside mating surface of the
spindle.
Power Feed Gearing
1.
DISCONNECT THE MILL FROM POWER!
2.
Use a 19mm wrench to remove the acorn nut,
and handwheel from the power feed unit (see
Figure 63).
Graduated
Dial
Retaining
Ring
Figure 63. Power feed with the handwheel
removed.
Model G9901/G9902/G9903 Milling Machine
X-Axis
Lead Screw
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