Brother BAS-311E Service Manual page 70

Chapter 4. Adjustments
(Y axis) 311E and 311EL
q
e
r
e
r
H - position
(X = 0, Y = 0)
7. Press the P key and adjust the Y-home position dog t so that the needle e is aligned with the home position (X=0, Y=0)
of the H-position standard plate r.
8. Press the P key again to make sure that the needle e is aligned with the home position (X=0, Y=0) of the H-position
standard plate r.
9. Secure the Y-home position dog t using the set screw y.
10.Remove the needle e.
11.Press the P key to be out of the program mode, and turn off the power.
12.Replace the H-position standard plate r with the work clamp.
Note: When adjusting the Y home position, be sure to set the clearance between the Y-home position dog t and the
surface where the sensor u is activated to 0.1 - 0.5 mm. If the clearance is too great, an error in home position
detection may occur because the temperature of the sewing machine rises during sewing operation.
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1. Remove the belt cover q and the frame side cover w.
2. Connect the programmer to the operation panel.
3. Turn on the power of the machine.
4. Press the P key on the programmer.
w
5. Attach the needle e.
6. Turn the pulley to approach the needle e to the H-posi-
tion standard plate r.
BAS-311E.311EL.326E.326EL
y
t
u
0.1 - 0.5mm
u
t