Pfaff 937

Installation and commissioning
8 - 2
8.01.02 Tightening the V-belt
● Loosen nuts 1.
● Tighten V-belt using motor driven rocker
dolly switch 2.
● Tighten nuts 1.
8.01.03 Mounting the upper V-belt guard
● Slide the left and right halves of the V-
belt guard into place with the slots
behind the heads of screws 1 and 2.
● Screw screw 4 with distance bush 3 into
threaded hole 5.
● Align the V-belt guard, taking care that
clip 6 is behind slot 7 and in front of
distance bush 3.
● Tighten screws 1 and 2 (through holes 8
and 9) and screw 4.
Fig. 8 - 03
1
2
2 cm
Fig. 8 - 02
9
8
7
6
5
1
2
3
4
Fig. 8-02 shows a Quick motor.
If another motor is used, proceed
as described in the instruction
manual of the motor manufacturer.