Pfaff 5483 - Looper height; Looper Clearance to Needle Plate (Single-Needle)

Looper avoiding motion
For machines in version H see page 42.
For machines with backtacking mechanism -911/.. see page 47.
I With the needle bar at top dead center (pin in hole 1) the slot in the avoiding
motion eccentric must be positioned exactly below the center line of the
shaft (see arrow in Fig. 9.0.2).
Loosen both screws 1 (Fig. 9.0.1) of avoiding motion eccentric 2.
Turn the balance wheel to bring the needle bar to top dead center.
Insert the pin in hole 1 of the bearing plate (to block the machine).
Turn avoiding motion eccentric 2 so that Its slot points vertically downwards
(see Fig. 9.0.2).
In this position, tighten the accessible screw 1.
Pull
the pin out of the hole in the bearing plate.
Also tighten the second screw 1.
Check this adjustment (see "Correct setting"). ,
From the library of: Superior Sewing Machine & Supply LLC