Wiper Adjustment - Brother BAS-311E Service Manual

Chapter 4. Adjustments

10. Wiper adjustment

For vertical wiper (standard)
r
q
112mm
1. When the thread wiper solenoid plunger q is driven to the full stroke, the wiper w should be 15 mm in front of the
needle center. Loosen bolts e and shift the entire solenoid bracket r up or down to adjust.
The standard height from the solenoid setting plate r bottom to the needle plate top is approximately 112 mm.
2. When the wiper w is operated and aligned with the center of the needle bar, the distance from the wiper w to the point
of the needle should be approximately 2 mm. Loose the screw t and move the wiper w in or out to adjust. As shown
in Fig. A, make sure the wiper w does not strike the presser foot y or the needle.
Note: Make that the wiper w is not touching the finger guard.
For horizontal wiper (optional)
15 - 16mm
1. Loosen the set screw e and move the wiper arm support r up or down to adjust so that there is a clearance of 15 - 16
mm between the bottom of the thread wiper q and the needle plate w when the thread wiper q is aligned with the
center of the needle bar.
2. After the thread wiper has wiped the thread, loosen the bolt t and move the solenoid setting plate y up or down to
adjust the distance to approximately 35 mm.
60
e
15mm
q
w
(25mm)
(25mm)
BAS-311E.311EL.326E.326EL
t
w
approximately 2 mm
e
y
r
t
(35mm)
(35mm)
w
y
t