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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