FISCHBEIN
®
MODELS 100 & 101 EMPRESS™ SERIES SEWING HEAD
OPERATOR’S MANUAL
REV. H 2005 / 11
18
3.3 STITCH LENGTH ADJUSTMENT
The standard factory setting of the stitch length is 3/8” (10 mm per stitch). Other stitch lengths
can be set according to customer requirements. If a change is needed, please follow the
procedure below:
1.
Be sure the feed dog is down below the surface of the throat plate, by rotating the drive pulley
clockwise. (
Illustration 12
)
2.
Stand the sewing head on its drive pulley so that no oil can flow out when removing the bottom
cover (
C, Illustration 5 and 11
). Block the head to prevent it from rotating on its pulley.
3.
Remove the oil drain plug (
Illustration 11
) from the bottom cover (
C
). The drain hole will
provide access to the socket cap screw (
A
), used in adjusting the stitch length.
4.
With a 3/16” allen wrench, loosen (
but do not remove
) the socket cap screw (
A
). (
Illustration
11
) The screw may fall into the housing if it is removed.
5. The
stitch
length is changed by moving link
(D
) (
Illustration 11
) along the slot in link (
B
).
Moving link (
D
) toward the throat plate shortens the stitch. Moving it away from the throat
plate lengthens it.
6.
Tighten the socket cap screw (
A
), but not fully yet.
Illustration 11
(Bottom Plate View)
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