Pfaff 918

Adjustment
24
Fig. 1 - 18
1
4
3
2
1
.05.18 Drive belt in the gearbox housing
Requirement
Drive belt 4 must be tightened so that the machine runs freely and the belt sprockets
do not have any noticeable play.
● Adjust eccentric bearing bush 1 (screw 2) in accordance with the requirement and so
that drive belt 4 is in the centre of bobbin opener drive wheel 3.