Adjustment
11 - 1
11
Adjustment
The illustrations in this chapter show a
PFAFF 5625-657/01
with sub-class
-906/07
(pneumatic presser foot lift) as a work aid. Machines without this
subclass, as well as the
PFAFF 5625-657/02
, differ slightly in some aspects
from the illustrations shown.
11
.01
Notes on adjustment
All following adjustments are based on a fully assembled machine and may only be carried
out by expert staff trained for this purpose.
Machine covers, which have to be removed and replaced to carry out checks and
adjustments, are not mentioned in the text.
The order of the following chapters corresponds to the most logical work sequence for
machines which have to be completely adjusted. If only specific individual work steps are
carried out, both the preceding and following chapters must be observed.
Screws and nuts indicated in brackets ( ) are fastenings for machine parts, which must be
loosened before adjustment and tightened again afterwards.
11
.02
Tools, gauges and other accessories
●
1 set of screwdrivers with blade widths from 2 to 10 mm
●
1 set of wrenches with jaw widths from 6 to 22 mm
●
1 set of Allan keys from 1.5 to 6 mm
●
1 gauge for top feed stroke 5.0 mm (part no. 61-111 633-60)
●
1 metal ruler (part no. 08-880 218-00)
●
1 adjustment pin (part no. 61-111 643-55)
●
Needles, system 5640-59R
11
.03
Abbreviations
t.d.c. = top dead centre
b.d.c. = bottom dead centre