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Adjustment
12
1.04.05 Needle rise, hook clearance, needle height and needle guard (on the PFAFF 574)
Requirement
With the needle bar positioned 2,4 mm after BDC
1. the hook point must be at needle centre with a hook-to-needle clearance of
0.05 to 0.1 mm;
2. the top of the needle eye must be 0.8 to 1.0 mm below the hook point;
3. the needle guard 9 must touch the needle lightly.
61-025
Fig. 1 - 05
3
7
8
4
5
6
0,8 - 1 mm
8
1
2
12
10 11
13
129-001
14
9
129-002
9
7
7
7
8
● Loosen screws 1, 2, 3, 4, 5, 6 and 7.
● Loosen screws 8 slightly.
● Bring needle bar to 2.4 mm past BDC: