Pfaff 3811-3/55 Instruction Manual page 98

Adjustment
13 Position of the front needle guard
.05.29
 Move to the hook by turning handwheel 1 to its left reversal point.
 Loosen the screws 2.
 Move the needle guard carrier 3 so that the needle guard bar 4 does not strike the looper
 Gently tighten the screws 2.
 Turn the handwheel until the point of the looper 1 is in the centre of the needle coming
 Turn the needle guard carrier 3 according to rule 1.
 Adjust the needle guard bar 4 (screws 5) according to rules 2 and 3.
98
Rule
When the looper point1 is in the centre of the needle coming from the right side, the nee-
dle guard bar should 4
1. have a lateral clearance 0.3 - 0.5 mm to the needle,
2. stand parallel to the hook blade and
3. the top edge should stand at the same height as the point of looper 1.
1
Fig. 13 - 29
1 in this position.
from the right.
4
5
3
2
0.3 - 0.5 mm
1
4