Adjustment
13 - 2
13
.04
Checking and adjusting aids
By inserting the adjustment pin (ø 5 mm) into holes
1, 3
and
4
the needle bar
can be fixed precisely in the desired position.
●
Turn the handwheel until the needle bar is approximately in the desired position.
●
Insert the adjustment pin into the respective hole and apply pressure.
●
Turn the handwheel slightly forwards and backwards until the adjustment pin engages in
the rear crank recess and thus blocks the machine.
Hole 1
= top dead center of the needle bar (TDC)
Hole 3
= bottom dead center of the needle bar (BDC)
Hole 4
= 0.8 mm below the top dead center of the needle bar (0.8 below TDC)
Fig. 13 - 01
3
4
1
Summary of Contents for 3801-11/071
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