Adjusting The Presser Foot Devices - SunStar SPS/C-5050 Series User Manual

4) Adjusting the Presser Foot Devices

A. Conform the end of presser foot operating cam to the center of punched mark, and conform the cam's punched line to the
punched mark of upper axis, and then tighten Clamp①.
[Cautions]
If the presser foot operating cam is improperly positioned, The up-and-down moving of presser foot is in inconformity,
therefore the presser foot may collide with the needle bar.
B. Project the presser bar about 17㎜ from the presser bar
holder, check if the needle passes through the center of
presser foot, then tighten Clamp①.
C. Loosen Fork Crank Clamp①, and place the single screw② of presser foot link to the right of the adjusting arm.
D. Conform the fixing single screw③ of presser foot moving link to the end④ of position link stopper.
[ Caution ]
If there is space between presser bar handle and presser bar bush, interference and noise is occurring during machine
operation. Screws are not fastened tightly after adjustment; it can cause breakage during operation.
E. To set up 4㎜ of the interval between Presser Bar Holder and Presser Bar Bushing, rise up the presser bar and tighten Fork
Crank Clamp①.
①
Engraved
Point
Upper
Shaft
[Fig. 33]
Presser
Bar
①
Presser Bar
Holder
Presser
Foot
[Fig. 34]
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