Husqvarna 6690 Manual page 34

Setting the upper stop-right
position of the needle
Requirements
When the needle stops at the upper
stop-right position the clearance between
the stitch plate and the needle tip should
be between 14 and 9 mm (0.55"-0.35").
(The sole of the standard presser foot is
14 mm (0.55").
34
Adjustment
The upper stop-right position is set by moving
the plate in the handwheel to a suitable position.
To raise the height of the needle at the upper
stop-right position, turn the screw to the right.