Service manual

e-mail: [e-mail]; [e-mail]; website: www.amfreece.com
Phones: [phone] (Service); [phone] (Spare Parts); Fax: [phone]
Revised 03/2006
S-311
1-37
4. THE RACE MECHANISM ADJUSTMENT
Home position of the working plate is given by position of the plate Î and sensor Ð (BQ4). Screw of
the sensor plate Ï is locked by paint from the manufacturer, that is why only a service technician
from AMF REECE can perform this operation during the guarantee period. Make sure there is the
buttonholl without eye on the display, stitches inclination 0°, cutting distance 0.0, see section D3,D6.
4.1. In the bedplate home position adjust the assembly of the sewing mechanism by the looper
beam Ê to the operator side.
4.2. Adjust the block Ë of the needle bar, after loosening the screws Ì of the bevel gear, so that
screw Ñ in the needle bar is on the left and tighten the screws. When you sew a side stitch, the
distance between the needle and the edge of the throat plate Í must be the same as when
sewing a centre stitch.
4.3. After loosening the screws Ï, turn the plate of sensor Î clockwise to the extreme position.
The sewing mechanism has to be vertical to the oblong bedplate axis. To check up the
adjustment, use the gauge Ò, according to the bedplate edges
ÓÓ
ÓÓ
Ó.
4.4. When the service mode is activated, punch in the buttonhole shape on thepaper. Find if the
stitches in the straight part of the buttonhole are vertical to the buttonhole axis and center
stitches are turned by 90
o
. To correct it, rotate the sensor plate Î. For better visibility of the
centre punctures, adjust the cut distance for large value, for example + 0,5 according to the
section D6.
E - STANDARD MACHINE ADJUSTMENT










BQ4

BQ4