Work Clamp Pressure Adjustment; Adjusting The Holding Pressure - Brother KE-430B Service Manual

5. ADJUSTMENT
５-１１. Work clamp pressure adjustment (KE-432B, 432C)
５-１２. Adjusting the holding pressure (BE-438B, 438C)
107
Loosen the lower adjusting ring (1) as much as
possible (to the extent that the material being sewn
does not slip and alter the pattern). Then, adjust the
pressure by turning the upper adjusting ring (2).
2569Q
Removal of the work clamp spring
Lower the work clamp, then place the adjusting ring
(3) in the hole of the frame, remove the tip of the
adjusting screw from the lever holder (4), and
remove the work clamp spring (5).
2570Q
Loosen the adjusting nut (1) and turn the adjusting
nut (2) to the point where it is just tight enough that
the material will not slip out of place when it is
slightly pulled (keep pressure as slight as possible).
2667Q
KE-430B, 430C series