Brother BAS-311H Sewing Machine User Manual


 
3. INSTALLATION
18
BAS-311H
3-11. Installing the pneumatic unit (pneumatic work clamp specifications)
Install underneath the work table.
(1) Solenoid valve assembly
(2) Washers [2 pcs.]
(3) Wood screws [2 pcs.]
(4) Rubber hose (OPTION PARTS)
After installing the pneumatic unit, adjust
the air pressure.
(Refer to "10-16. Adjusting the air
pressure".)
NOTE:
Make sure that the pneumatic unit
does not touch the control box or the
work table leg.
Connect each air tube to the position with the corresponding number.
<Adjusting the speed controller>
You can use the knob to adjust the lifting and dropping speeds for the work clamp.
The valve knobs should be adjusted so that the left and right sides of the work clamp operate at the same speed.
When the upper knob is tightened, the lifting speed becomes slower. When it is loosened, the lifting speed becomes faster.
When the lower knob is tightened, the lowering speed becomes slower. When it is loosened, the lowering speed becomes
faster.
You can operate the work clamp while the power is turned off by pressing the manual button.
1904B
3235B 1905B
Cylinder L
Cylinder R
Upper knob
Lower knob
Manual button