Pfaff 3588-05/020, Инструкция по эксплуатации, Страница: 100 / 190

100
Adjustment
13
.05.09
Needle bar rise, hook-to-needle clearance, needle height and needle guard
Requirement
In straight stitch position and with the needle bar 2 . 4 past BDC,
1. the hook point must be at the middle of the needle; the distance between the needle
and the hook point must be from 0 . 05 to 0 . 1 mm .
2. the top edge of the needle eye must be 1 . 0 mm below the hook point, and
3. the needle guard 4 must touch the needle lightly.
●
Set the stitch length control to straight stitch position.
●
Loosen the fastening screws of the bevel gear 1 and screws 2 .
●
Move the needle bar to BDC.
●
In this position, slide the 2 . 4 mm thick feeler gauge of the needle bar rise gauge closely
under the needle bar bearing.
●
Move adjustable clamp (part no. 08 - 880 137 00 ) against feeler gauge as far as possible
and screw it onto the needle bar.
●
Remove the feeler gauge and turn the handwheel 3 in the direction of the arrow until the
adjustable clamp is resting on the needle bar.
2
1
2
1,0 mm
3
0,05 - 0,1 mm
4
6
7
Fig. 13 - 10