Operating instructions

11
6. Start-up and Maintenance
6.6 Headstock
The headstock is firmly attached to the guide bars. Inside the headstock, the work spindle is run on
two adjustable precision tapered roller bearings.
adjustment nut
ON -OFF lever
for automatic feed
If the bearings need to be readjusted, please proceed in the following manner:
1. Loosen the stud bolt in the adjustment nut. The adjustment nut is located at the rear end of the
work spindle.
2. Turn the adjustment nut clockwise until the bearings run free of play again (the work spindle can
easily be turned by hand).
3. Re-Tighten the stud bolt.
i
Roller bearings adjusted too tightly become useless after a short period
Automatic feed:
There is an on-off lever for the automatic feed on the front of the headstock. The machine is
delivered with the wheels for feed 0.085 mm/rev. attached.
6.7 Cross support
The cross support consists of a longitudinal and a transversal support. It is equipped with ajustable
dovetail guides.