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Adjustment
5
1 Adjustment
On the PFAFF 1181 and 1183 do not use a screw clamp on the needle bar! The
special coating of the needle bar could be damaged.
Please observe all notes from Chapter 1 Safety of the instruction manual! In
particular care must be taken to see that all protective devices are refi tted
properly after adjustment, see Chapter 1.06 Danger warnings of the instruction
manual!
If not otherwise stated, the machine must be disconnected from the electrical
power supply.
Danger of injury due to unintentional starting of the machine!
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 ma-
chines which have to be completely adjusted. If only specifi c individual work steps are
carried out, both the preceding and following chapters must be observed.
Screws, nuts indicated in brackets ( ) are fastenings for machine parts, which must be loose-
ned before adjustment and tightened again afterwards.
1.01 Tools, gauges and other accessories for adjusting
● 1 set of screwdrivers with blade widths from 2 to 10 mm
● 1 set of wrenches with jaw widths from 7 to 14 mm
● 1 set of Allan keys from 1.5 to 6 mm
● 1 metal rule, (Part No. 08-880 218-00)
● 1 feed dog adjustment gauge, Part No. 61-111 639-71
● 1 adjustment pin (5 mm dia.), Part No. 13-033 346-05
● Adjustment gauge, part No. 61-111 639-73
● 1 adjustment gauge for tightening the hook drive belt, Part-No. 61-111 639-76
1.02 Abbreviations
TDC = top dead center
BDC = bottom dead center
1.03 Explanation of the symbols
In this adjustment manual, symbols emphasize operations to be carried out or important in-
formation. The symbols used have the following meaning:
Note, information
Service, repair, adjustment, maintenance
(work to be carried out by qualifi ed staff only)