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9. STANDARD ADJUSTMENTS
BAS-311F-0, 311F-L, 326F-0
47
(3) (9)
(8)
(6)
(7)
0.5 - 1 mm
3 - 5 mm
(4)
(2)
(5)
(10)
(14)
(13)
(11)
(12)
9-8. Changing the presser foot lift
<Standard presser foot lift is 3 mm (max. 8 mm). >
Adjusting presser foot lift to 3 - 5mm
1. Loosen the screw (2) and open the intermittent cover (3).
2. Loosen the nut (4) and adjust the intermittent presser connecting rod (5) position.
(When the intermittent presser connecting rod is raised, the lift will increase. When lowered, the lift will decrese.)
Adjusting presser foot lift to 5 - 8 mm
1. Turn the upper shaft to set the presser foot to its lowest point. Loosen the screw (9) of intermittent presser arm (R) (8).
Adjust the clearance between the presser lifter (6) and the presser bar bush (7) to 0.5 - 1 mm.
2. Loosen the nut (4) and adjust the intermittent presser connecting rod (5) position.
(When the intermittent presser connecting rod is raised, the lift will increase. When lowered, the lift will decrese.)
If vertical movement of the presser foot is not required
1. Remove the face plate (10).
2. Remove the stud screw (11) and re-attach the intermitte connecting rod (12) to the upper screw hole (14) of the
intermittent presser arm F (13).
1254S
1253S
1252S
1256S
1255S