Pfaff 3811-15/65, Инструкция по эксплуатации, Страница: 90 / 138

Adjustment
90
13
.06.22
Looper motion
Rule
The hook point should be at the same height in the following positions:
a) When the hook point is on the left side after turning the handwheel in the direction of
rotation.
b) When the hook point is on the right side after turning the handwheel back from
position a).
1
2

Insert a new needle.

Turn the handwheel until the hook point are on the left side of the needle coming from
the right.

In this position tighten the clamping screw (Order no. 08 880137-00 ) onto the needle bar
so that the upwards movement of the needle bar is blocked.

Turn the handwheel against the direction of rotation until the c-clamp lays again on nee-
dle bar frame.

Check the rule.

If necessary remove the clamping screw and gear wheel 1 (screws 2 ) according to the rule.
Fig. 13 - 22
a
b