Changing The Knife - Pfaff 3519-5/01 Instruction Manual

Adjustment
13

Changing the knife

.16.03
● Open the tensioning lever on the loading clamp.
● Loosen the star knob screws and push the loading clamp in the direction of the arrow.
● Disassemble the retaining collar 1 and remove the cylinder 2.
● Loosen the screws 3 and remove the toothed belt 4.
● Pivot the knife unit 5 upwards.
● Replace the knife 6 (screw 7) making sure that the largest diameter of the knife 6 does
● If necessary, remove the thread catcher 8 and insert the support plate.
● Fit the toothed belt 4, press against the bar 9 and tighten the screws 3.
● Mount the cylinder 2 and fit the retaining collar 1.
● Push the loading clamp back until it stops, close the tensioning lever and tighten the star
102
Rule
The knife must be replaced when the cutting performance deteriorates.
8
7
6
Fig. 13 - 35
not touch the thread catcher 8.
knob screws.
5
4
2
3
3
9
1