105
B. Height Adjustment of Presser Bar
Adjust the presser bar that end of presser bar
should come out about 17mm from presser bar
handle and check if the needle passes through
center of presser bar. If checking ends, fasten
joint screw①.
[ Caution ]
Fasten joint screw① of presser bar with the
pressure about 40-45kgf/㎠. If connection
pressure is excessive, it becomes cause of
deformation of presser bar and cause trouble to
machine operation.
C. Adjustment of Presser Foot Adjusting Arm
a) Unscrew location link stopper screw to make space between location link stopper④ and fixing stud
screw of presser foot motion link③.
b) After unscrewing fork link joint screw① and placing stud screw of presser foot link to the right side
of presser foot adjusting arm, fasten stud screw② of presser foot link tightly.
c) Place the needle bar to the lowest point by turning the hand pulley.
d) Raise the presser bar so that the distance between presser bar handle and presser bar bushing is to
be 4mm and fasten the joint screw① of fork link tightly.
e) Adjust so that location link stopper④ and fixing stud screw of presser foot motion link③ get close
by turning stopper screw of location link.
f) After fastening fork link joint screw① tightly, check if there is play to vertical direction in presser
foot adjusting arm. Checking fastening status of screws, adjust presser foot stroke.
[ Caution ]
If there is space between presser bar handle and presser bar bushing, interference and noise is occurring
during machine operation. Screws are not fastened tightly after adjustment; it can cause breakage during
operation.
[ Caution ]
If fixing stud screw③ of presser foot motion link and end of the location link stopper ④ did not get
perfectly close, trembling phenomenon occurs during operation and noise can increase.
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