Knee Lever - Pfaff 1571 Adjustment Manual

Adjustment
15

Knee lever

.04.15
 Turn screw 1 ( nut 2 ) in accordance with requirement 1.
 Turn screw 3 ( nut 4 ) in accordance with requirement 2.
 Adjust bar 5 ( screw 6 ) in accordance with requirement 3.
24
Requirement
1. The knee lever must have a little play before the roller-presser is raised.
2. The lever for the roller-presser must drop automatically when the knee lever is presse-
das far as it will go.
3. Bar 5 of the knee lever must be at an angle of approx. 75° to the bedplate.
6
4
Fig. 15 - 15
2
3
1
5