Aligning The Knife - Pfaff 3822-2/42 Instruction Manual

13

Aligning the knife

.07.04
Requirement
1. The needle must be in the centre of the knife-edge.
2. The knife should be resting on the stationary knife with light pressure, without the knife
spur striking the stationary knife.
3. The knife should stand slightly slanted to the stationary knife (shear effect).
Fig. 13 - 47
Adjust knife mounting 1 (screw 2) according to requirement 1.
Switch on the machine
Switch on the edge trimming device.
Bring knife 3 into its lowest position by turning the balance wheel.
Adjust knife 3 (screw 4) according to requirement 2.
Adjust knife mounting 1 (screw 5) according to requirement 3.
4
5
3
49-053
2
1
Adjustment
49-45a
13 - 49