Adjustment
61
12
.05.04
Hook shaft bearing and toothed belt tension
1
2
14,5 mm
5
Fig. 12 - 05
1
3
4
Requirement
The front edge of the hook shaft
6
must be at a distance of
14.5 mm
to the needle
center. At the same time, the slot in the hook shaft bearing
1
(see arrow) must be
parallel to the bedplate and pointing opposite to the direction of sewing.
The toothed belt should be tightened in such a way that, when the gauge is pushed
onto the toothed belt, the marking in the gauge window corresponds to the marking
on the bushing.
1.
2.
Align hook shaft bearing
1
(screw
2)
according to
requirement
1.
Push the gauge (Part-No.
61-111 639-76)
onto the toothed belt so that it is centred to the
toothed belt and touching the bearing of the sliding shaft. The gauge window must be
facing the hook.
Eccentric
3
(screw
4)
clockwise in accordance with
requirement
2,
taking care that the
axial position of eccentric
3
is not altered.
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Содержание 3511-2/01
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