Operating Controls
7
Treadle
.03
7
Hand lever to raise the roller presser
.04
16
-1
Fig. 7 - 03
1
Fig. 7 - 04
With the main switch turned on
In machines without backtacking
system -911/..
0
0
+1
+1
-1
In machines with backtacking
system -911/..
0
+1
-1
-2
-2
Bringing the hand lever 1 to the top
position raises the roller presser.
= Neutral position
= Sewing
= Trim thread (in machines with
thread trimmer -900/56)
= Neutral position
= Sewing
= Raise roller presser
= Trim thread (in machines with
thread trimmer -900/56)