Operation Manual

2. Machine Elements and their Functions
2.1 Elements on the Machine Head
Element Function
1Screw Regulating of the pressure foot pressure. The
Setting of the screw is to be fixed.
2Hand lever Turning the edge cutter 10 on and off. The position
of the hand lever is variablly adjustable.
3Spooling device See under Section 3.2 Spooling of the Bobbin
Thread.
4Control panel See the motor manufacturer’s instructions.
5Oil reservoir The oil level should not be allowed to drop below
"MIN". When necessary fill with ESSO SP-NK10 oil
to "MAX".
6Adjustment wheel Setting the stitch length for reverse sewing (with
sub-classes -....41 via hand lever).
7Adjustment wheel Setting the stitch length for forwardsewing (with
sub-classes -....41 via hand lever).
8Rest For tilting the machine head to the back (not on
classes 273 and 274).
9Needle thread tension Turn in direction + = higher needle thread tension
Turn in direction - = looser needle thread tension
10Edge cutter Function see following page.
11Needle System 134, 797 or Sy 1955-01
- Risk of Injury! -
Before replacing the needle it is essential to turn the main
switch off.
12Locking button Lock the pressure foot in the raised position
13Hand lever Setting the carrier roller up. It is swung out of the
work area. Sewing only with bottom feed
14Adjustment wheel Transport length for the top feed roller
15Roller top feed Function see following page
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