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