Adjustment

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.

mm1

,8-0

7

9

7

 

129-002

7

8

 

7

 

9

8

14

 

8

129-001

1

2

4

 

5

6

 

 

 

 

 

 

 

3

 

 

 

 

10

11

12

13

 

Fig. 1 - 05

61-025

●Loosen screws 1, 2, 3, 4, 5, 6 and 7.

●Loosen screws 8 slightly.

●Bring needle bar to 2.4 mm past BDC:

12