Settings - Quick Reference - Husqvarna VIKING Designer Jade 20 Service Manual

Settings - Quick reference

1. Belt tension, drive belt
The belt tension shall be adjusted by re-position tensioning roller by push
it up or down until it is a fi rm belt tension.
2. Belt tension, motor belt
Move the motor unit (b) util a correct belt tension is obtained.
3. Timing of the Feeding in relation to the needle
When is in its needle lowest point.The feed lifting rock cam (a) and
the screw (b) of feed rock cam (c) should now be parallel.
4. Setting the needle in centre position
The needle should always get to the centre position, when the main switch is turned.
5.Position of needle point to limiting plate
The needle point limiting plate is protecting the needle hits the needle plate.
6. The play of the hook gear
It is impossible to obtain an equally large play in one rotation of the cog wheel,
but it should be as small as possible at the tightest spot during the revolution.
7. The timing of the hook in relation to the needle
When the needle is in its centre position and the needle is moving
upwards, the tip of the hook should pass behind the centre of the
needle, when the needle is 2.5 mm above its lower turning position.
8. The gap between the needle and the hook
The gap should be as small as possible, but max 0.10 mm - Straight stitch 2.5
mm.
9. Setting the feed dog in relation to the needle plate
Sideways the feed dog should be symmetrically set in relation to the needle
plate slot.
10. Feed dog height
When Feed dog teeth are in its highest position they should be 0.9-1.0
mm above the needle plate.
11. Presser foot height and parallelism to the needle plate
When the presser foot is in its highest lifting position it shall be
approx. 4.5 mm above the needle plate.
The presser foot should be parallel to the feed dog.
12. The needle bar height
When the needle bar is in its lower turning position, at straight stitch.
The spacing between the surface of hook race and the top edge of
needle eye should be (4.9±0.1 mm).
8
Settings - Quick reference
1047356-26
3
350-400g
3
5-6
mm
a
1
0.05~0.1 mm
0.9-1.0 mm
6.5 mm
4.9±0.1 mm