Industrial Sewing Machine SADE
65
1) Move the moving knife ❺ by hand to its
forward travel end.
• Adjusting the counter knife
2)
Loosen counter knife base setscrews
❶. Adjust the
knife so that top end of the counter knife
❸
so that it is spaced 1.2 to 1.5 mm
from the end face of the throat plate in
terms of the
lateral direction, and so
that it is pressed against the stepped
section of hook driving shaft saddle in
terms of the longitudinal direction. Then,
tighten setscrews ❶.
Loosen counter knife setscrews ❼. Ad-
just the distance between the bed slide
mounting plane and the counter knife tip
to 37 ± 0.1mm. Then, tighten setscrews
.
• Adjusting the knife pressure
3) Loosen setscrews
in the moving knife.
Turn the handwheel to move the moving knife and adjust the knife pressure.
As the standard adjustment, the knife pressure should be applied from the time when the
distance from the top end of the moving knife to the top end of the counter knife is
6 to 7 mm.
1. Adjust the knife pressure in the state that the clamp spring
does
come in contact with the moving knife
(the clamp pressure is not de-
veloped).
2. Be sure to carefully prevent from getting injured by the moving knife
counter knife
, blade point of the hook, etc.
• • Adjusting the clamp pressure
4) To adjust the clamp pressure, firstly loosen clamp spring setscrew ❻. Adjust the lateral po-
sition of clamp spring so that a clearance of 3.7 ± 0.1 mm is provided between clamp spring
❹ and counter knife ❸. Then, adjust the longitudinal position of the clamp spring by tight-
ening setscrew ❻ with the clamp spring pressed against the stepped portion of the counter
knife base.
Check to make sure that the clamp pressure is applied when moving
knife
moves to its back end.
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