Sharp VH-25 Series Operator's Manual page 23

2、 Chucking of Tooling Shank and Dismantling :
First the spindle must be rasid up to its maximum height. The screw of draw bar is right
turn. When the screw is turned clockwise, it is for locking of tooling shank, and vice-versa.
To take out the tooling shank, the drawbar must be turned from three to five rounds. Then,
use a soft mallet to hit lightly on the drawbar, until the tooling shank comes off totally.
Note : According to ( a ) Spindle Braking, brake the spindle to a stop and the tooling shank
may easily come off or chuck on.
3、 Headstock Tilting : 20VB , 20VC
(1) In-and-Out Tilting
Turn loose evenly the three adapter locking bolt ( P ) and turn the vertical adjusting
worm shaft ( Q ) until the angel desired is obtained. Lock up the bolts ( P ) tightly.
Note : Do not loosen all the headstock bolts totally.
Fig.20
OPERATOR'S MANUAL
P 20 / 57