Pfaff 5483 - Looper angle; Looper Angle to Bedplate Center

11
Correct
setting:
Looper height on machines without subcl. -900/..
For machines in version H see page 43.
For machines with backtacking mechanism -911/.. see page 48.
When the looper holder is in its vertical position, there must be a clearance
of 0.7 mm between the highest point of the looper and the underside of the
needle plate on single-needle machines (Fig. 11.0.2).
On two-needle machines, there must be a clearance of 1.0 mm between the
front looper and the needle plate.
11.1 Remove bed slide, cover plate, needle plate and feed dog.
11.2 Place the needle plate In position again and operate the presser bar lifter to lower
the presser foot onto the needle plate.
11.3 Turn balance wheel until the looper holder is vertical.
11.4 Loosen clamp screw 1 and screw 2 of eccentric bearing stud 3.
11.5 Turn eccentric bearing stud 3 until there is a clearance of 0.7 mm between the
highest point of the looper and the underside of the needle plate (or a clearance
of 1.0 mm between front looper and needle plate on two-needle machines).
11.6 In this position, tighten clamp screw 1 and screw 2.
Continued on next page.
15
From the library of: Superior Sewing Machine & Supply LLC