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2. Height of the needle bar
2.1. Checking items:
1 Left hand needle
2 Throat plate
- Check that the distance between the throat plate surface and
the left hand needle point with the needle bar at the highest
point of its stroke is 11.4 mm (A) when using needle system
130/705H.
2.2. How to perform adjustment:
- Allow the needle bar (D) to reach its highest position.
- Loosen the setscrew (B) of the needle bar connection (C)
slightly.
- Move the needle bar (D) up or down to make adjustment.
- Retighten the setscrew (B).
3. Position of the feed dog
3.1. Checking item:
Main feed dog
1
Sub feed dog
2
Throat plate
3
- Check that the feed dog and the slot in the throat plate are
parallel with each other.
- Check that there is a clearance on the left side of the feed dog
and the throat plate of 0.2 mm (A).
- Check at the most-advanced position in max. main feed and
min. sub-feed the clearance between the main feed dog and
sub-feed dog is 1.0 mm (B).
(C)
3
– 2 –
1
2・
(B)
(A) 0.2 mm
1
(B)
1.0 mm
(A) 0.2 mm
(A)
(D)
2
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