Sharp TMV Series Service And Parts Manual page 13

5 Tilting of headstock
Cross tilting (Figure 6)
a. Draw out 2 zero position securing taper pins.
b. Loosen 4 lock nuts (A)
c. Turn the worm shaft (B) so as to tilt the headstock to the desired position.
d. Lock up 4 lock nuts (A) evenly.
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