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13
Return Spring Adjustment
The return spring is adjusted at the factory and should
not need further adjustment. If adjustment ever becomes
necessary:
1. Unplug the machine from the power source.
2. Loosen lock knob (A, Figure 14) while holding the
quill spring cover. Do not allow the cover to turn in
your hand or the spring will unwind.
3. Pull out the cover (B, Figure 14) and rotate until the
pin (C, Figure 14) on the return spring plate engages
the next notch in the coil spring cover. Turn the cover
clockwise to decrease tension and counter-clockwise
to increase tension.
4. Tighten the lock knob (A, Figure 14). Do not over-
tighten. Nuts should not contact the housing when
tight.
Tilting the Head
To tilt the head:
1. Turn nut (A, Figure 15) clockwise to pull out the
alignment pin (B, Figure 15).
2. Loosen hex nuts (C, Figure 15).
3. Tilt the head to the desired angle.
4. Tighten two hex nuts (C, Figure 15).
5. The alignment pin only works at 0° and must be
reinserted when the head is returned to 0°.
Lubrication
Refer to Figure 16.
1. Headstock. Fill with Mobil DTE® Oil Heavy Medium.
Check level daily and change yearly.
2. Powerfeed. Use Mobilith AW2 every three months.
3. Spline Drive. Use Mobilith AW2 every three months.
4. Quill Pinion Gear. Use Mobilith AW2 Every three
months.
5. Quill Column Surface. Use Mobil DTE® Oil Heavy
Medium every three months.
6. Table Pinion Gear. Use Mobilith AW2 every three
months.
7. Quill Return Spring. Mobil DTE® Oil Heavy
Medium every month. Do not remove cover.
Figure 14
Figure 15
Figure 16