Compensating Hinged Foot - Duerkopp Adler 271 Service Manual

3.4.1 Compensating hinged foot

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1
2
3
4
5
6
Regulation and inspection
With the compensating hinged foot the pressure exerted by the sole of
the foot is altered by replacing the pressure springs 5.
Two pairs of springs of different strengths are supplied with each foot.
To alter the backstitch width to the left or right of the needle only the
sole of the foot needs to be replaced.
Caution: danger of injury
Turn off the main switch.
Foot pressure may only be adjusted with the sewing machine switched
off.
Adjustment
–
Remove nut 4 with screw.
–
Insert extractor tool 3 in the hole 6.
–
Prise off the sole of the foot.
–
Fit new sole to alter the backstitch width. Replace springs.
–
Replace sole of the foot.
–
Replace nut 4 with screw.
–
Undo screw 1.
–
Align the sewing foot so that the needle enters the centre of the
sewing-foot needle hole.
–
Retighten screw 1.
IMPORTANT
In the raised position there must be a small gap (about 0.5 mm)
between the block 2 of the compensating hinged foot and the
fabric-rod bush.