Adjusting The Two-Step Work Clamp Lift Amount - Brother BAS-311E Service Manual

Chapter 4. Adjustments

6. Adjusting the two-step work clamp lift amount

¡The maximum work clamp lift amount is 25
1 mm (for solenoid type) or 30 1 mm (for pneumatic type) from the top
of the needle plate.
¡The lift amount for each model is adjusted as shown in the table at the time of shipment.
type
Solenoid type Pneumatic type
Lift amount 20mm 20mm
6-1. Solenoid type
w
e
q
20mm
1. Turn the power switch OFF.
2. Loosen the bolts w of work clamp arm lever F q.
3. Place a scale against the work clamp e, and then move work clamp arm lever F q up or down to adjust so that the
amount of lift above the top of the needle plate is 20 mm.
4. After adjusting the lift amount (20 mm), tighten the bolts w of work clamp arm lever F q.
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BAS-311E.311EL.326E.326EL