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SunStar SF 7400 Series User Manual

SunStar SF 7400 Series
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[ Figure 37 ][ Figure 36 ]
thread
1/2
4) Position of Looper Cam
In the figure, the looper cam is viewed from the side of the needle bar.
When the left needle reaches the middle of the looper, lower the needle from the highest position so that the thread stays
away from the highest position of [the looper cam].
See the figure below.
Make adjustments by loosening [the screw].
[ Figure 39 ][ Figure 38 ]
stitch plate
0.2mm
7.0mm
(8.0mm)
5) Removing Presser Foot and Amount of Presser Foot Lift
Loosen [the screw] for [the presser plate collar]. Press [the lap lift lever] and separate the presser foot. When [the lap
lift lever] is pressed, adjust the maximum height of the presser foot to set the distance between the front face of the needle
plate and the bottom of the presser foot at 7.0mm (when the spreader is equipped).
When this adjustment is completed, set the distance between the bottom of [the presser bar bushing] and the front face of
[the presser bar collar] at 0.2mm and fasten [the screw].
If there is no [the spreader], set the distance at 8.0mm. In this case, [the presser bar collar] is not used.

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SunStar SF 7400 Series Specifications

General IconGeneral
BrandSunStar
ModelSF 7400 Series
CategorySewing Machine
LanguageEnglish

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