S-4000
1-77
Revised 01/2005
e-mail: service@amfreece.cz; parts@amfreece.cz; website: www.amfreece.com
Phones: +420 582 309 146 (Service), +420 582 309 286 (Spare Parts); Fax: +420 582 360 606
ISBH ADJUSTMENTS
Bar Stitching
When sewing the second bar, use the worm gear to prevent the clamp plate from moving, as the needle
penetrates the fabric.
Clamp Plate Zero Position
When sewing the first bar, use the screws on the right shifter arm and ensure, when the control spring is
disengaged from the right shifter block stop, the clearance between the boss and the left side of the shifter
plate is 1 mm, (0.040").
Second bar adjustment, pages 1-36 and 1-37.
1 mm, (0.040")
Shifter plate
Boss
Clamp plate
1 mm, (0.040")
Clamp mat
Throat plate
Thread Tension
Only one tensioner is open during the thread draw-off at the end of the second bar sewing cycle.
The ISBH model is not equipped with the barring tension sensor.
The barring tension is controlled by the Draw-off solenoid valve, illustrated in the ISBH electrical diagram.
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