AMF S-4000 BH Omron, Parts And Service Manual, Page: 38 / 78

S-4000 BH Omron
1-32
Released 05/2010
e-mail: service@amfreece.cz; parts@amfreece.cz; website: www.amfreece.com
Phone: +420 582 309 286; Fax: +420 582 360 606
2. B it e w id t h a d j u s t m e n t
To adjust the bite width, first remove the head cover for access to adjustments.
The S-4000 BH is fitted with a regular bite throat plate , that allows a bite range of 1.7 mm (1/15“) to 2.3
mm (3-32“).
a) loosen the adjusting screw
b) to increase the bite width, raise the bite lever
c) to decrease the bite width, lower the bite lever
d) tighten the adjusting screw
E - MACHINE ADJUSTMENTS
5 . B I T E
Before the bite adjustment, remove the pulley cover
➋
and
the head cover
➊
.
1. B it e c a m
a) Check if the machine is in the home position.
b) Tilt the machine onto the rest pin
➐
. If the
adjustment is correct, the second cam
locking screw
➑
(counter clockwise of the bite
cam
➒
) must be roughly perpendicular to the
bedplate casting.
c) Adjust the position of the bite cam so that all of
the needle bite motion occurs equally with the
needle out of the work piece on the up and
down stroke.
Note: There must be no bite movement before
the needle
➓
comes out of the work nor after
it has descended into the work - see illustration. Tighten both locking screws
➑
securely.
Bite
Needle
stroke
Needle upper position
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