Pfaff 3811-2/45 - Setting the Gathering Levels

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31.2 Key allocation for positioning the cam against the actuating lever
Note: The operator can allocate any gathering intensity to any key desired.
31.2.1 Setting the gathering level of key
Press the key
Turn the Poti 1 until the desired cam position is reached; test seam.
31.2.2 Setting the gathering levels
Example:
Material: ..................................... home furnishing fabric
Band tension: ............................. none
Sewing thread: ........................... thickness 50
Machine rpm:............................. 3200 min
1
Length of the test sample: ......... 100 cm (26 inches)
Key Stitch length Gathered Cam
in mm length in cm position
4 100 0
495 6
489 8
484 9
480 10
476 11
470 12
465 13
461 14
458 15
3 54 10,5
3 52 11,5
3 48 12,5
3 44 13,5
3 42 14,5
339 15