General; Gauges; General 1.1 Gauges - Duerkopp Adler 669 Service Instructions Manual

1.

General

1.1

Gauges

The present service instruction describes the adjustment of the special
sewing machine 669.
ATTENTION!
The operations described in the service instructions must only be
executed by qualified staff or correspondingly instructed persons
respectively!
Caution: Risk of injury!
In case of repair, alteration or maintenance work turn off the main
switch and make sure to disconnect the machine from the air supply
system.
Carry out adjusting operations and functional tests of the running
machine only under observation of all safety measures and with
utmost caution.
The present service instruction describes the adjustment of the sewing
machine in an appropriate sequence. Please observe in this
connection that various setting positions are interdependent. Therefore
it is absolutely necessary to perform the adjustment following the
described order.
For all setting operations of parts involved in the stitch formation use a
new needle without any damage.
Machine covers having to be screwed off and on again for checking
and adjusting operations are not mentioned in the text.
Please note:
Some shafts of the special sewing machine 669 are provided with flat
spots. This facilitates the adjustment considerably.
In case of adjustments on flat spots the first screw in rotation direction
is put on such a flat spot.
The locking pin 1 required for adjusting the machine belongs to the
serial equipment of the machine. It is in the accessories of the
machine.
1
3
GB