FISCHBEIN
®
MODELS 100 & 101 EMPRESS™ SERIES SEWING HEAD
OPERATOR’S MANUAL
REV. H 2005 / 11
21
3.7 THROAT PLATE REPLACEMENT
1. Refer to
Illustration 14
. Lock out compressed air and electrical power so the machine cannot run.
2. Press lever (
A
) toward the oil pressure gauge. This will move the presser foot (
B
) upward and away
from the throat plate (
D
).
3. Put a ¼” (6mm) spacer between lever (
A
) and screw (
F
).
4. Follow the instructions in section
3.5 NEEDLE REPLACEMENT, page 20
and remove the
needle.
5. Remove the throat plate (
D
) by removing screws (
C
).
6. Re-assemble the machine
in the reverse sequence.
7. Check for proper alignment between the throat plate and the feed dog. (
Section 3.9.7, page 26
)
8. Remove the ¼” (6mm) spacer between lever (
A
) and screw (
F
).
3.8 PRESSER FOOT PRESSURE ADJUSTMENT
1. Refer
to
Illustration 15
.
Turn hex head screw (
A
)
clockwise until it is tight.
2.
Loosen the hex head screw
(
A
), five turns and check
the performance of the
sewing head. DO NOT
REMOVE SCREW (
A
).
DOING SO WILL
RESULT IN THE SPRING
ASSEMBLY (
B
) INSIDE
THE HOOD (
E
) TO
COME APART.
3.
Further adjustment may be needed. Tighten screw (
A
) to increase the force exerted by spring
(
B
) on lever (
C
) and, therefore, on presser foot (
D
). Loosening screw (
A
) will decrease the
force exerted by spring.
Illustration
15
