Adjustments After Work Clamp Arm Installation - Brother BAS-326G Service Manual

6-14-1. Adjustments after work clamp arm installation

Solenoid specifications
5202Q
<Retainer adjustment>
1. Screw in the M4 tap (1) on the side of the work clamp arm to apply pressure.
2. Adjust so that the sliding load of the retainers (2) is 40 – 80 N.
<Work clamp height adjustment (Solenoid specifications)>
1. Set the work clamp height to "25" on the operation panel.
2. Loosen the bolt (3).
3. Set the height of the work clamp (4) to 25 mm above the top of the needle plate, and with the stopper (5) touching the
connecting link (6), tighten the bolt (3).
<Work clamp height adjustment (Pneumatic specifications)>
1. Raise the work clamp arm electronically.
2. Loosen the bolt (7), lift the work clamp lifter lever (8) by hand to its maximum height, and then tighten the bolt (7).
3. Loosen the nut (9) of the air cylinder.
4. Turn the shaft of the air cylinder until the work clamp (10) is 30 mm above the top of the needle plate, and then tighten
the nut (9).
<Work clamp adjustment>
1. Loosen the bolt (11).
2. Lower the work clamp arm electronically, and in that condition, tighten the work clamp (12) with the bolt (11).
<Work clamp pressure adjustment>
1. Loosen the nut (13), and tighten the set screw (14).
(Up to a maximum of 0.3 mm)
2. When the work clamp pressure is even at the front and back of the work clamp, tighten the nut (13).
Pneumatic specifications
BAS-311G, BAS-326G
6. ASSEMBLY
5203Q
85