Adjusting The Upper Roller Pressure - Brother T-8421D Instruction Manual

Adjusting the upper roller
pressure
The presser foot pressure should be as weak as
possible, but strong enough so that the material does
not slip.
Good even stitches
Status
Skipped stitches occur
Uneven stitch length
Stitches are puckered
1
Loosen the adjustment nut (1).
2
Turn the presser adjustment screw (2) to adjust
the presser foot pressure.
3
Tighten the adjustment nut (1).
Reference values
Application
For foundation garments
Remedy
Increase the pressure.
Decrease the pressure.
Presser foot adjustment
screw height
Approx. 34 mm
Application
For light-weight and
medium-weight materials
For heavy-weight
materials
Presser foot adjustment
screw height
Approx. 34 mm
Approx. 29mm
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