Vatech Green 21 PCT-90LH User Manual page 125

Adjusting the Limit Block
As described in 'Determining the Height' on page 86, the sample H
135 mm. Perform the following procedures to adjust the Limit Block from the default
(current) position to a new one.
1. Check the Limit Block's default (current) position.
2. Unscrew two screws in the Limit Block and move the Limit Block up to lower the
column height. Refer to the following figure. (Limit Block: one step↑= Column
Height: 40 mm↓)
40 mm
3. Put the covers back in reverse order and fix them with the bolts.
Appendix
is
screw height
Limit Block