3-22
3.12 Upper threat monitor
Both upper threats are permanently monitored during
the sewing. The threats must be guided through the threat
guidings with low tension. Both green LED (2) in the con-
trol are showing the switching of the tactual heads.
3.12.1Switch on time
The switch on time decides, when the threat monitor is
questioned (key [P] - [F3] - parameter 19). Further infor-
mation is contained in the prior parts of this manual.
If the time is set too early, misswitches can arise at se-
wing heads with switchable needle in the range of the
tack.
3.12.2Filter threat monitor
The set value defines after how many missing impulses
of the threat monitor the control signalizes threat brea-
kage.
Select parameter 20 using the keys [P] and [F3]. For
further details see the prior chapters of this manual.
3.11 Swing up sewing head
The sewing head can be swung up. First you will have to
demount several parts: spooler, position actuator, belt
protector; push sliding plate to the left.
Loosen screw (1) and swing the sewing head upwards.
Use the support (2).
DANGER
During maintenance duties at the swung up sewing
head, the support must be locked completely at the oil
reservoir. Otherwise it can slip away and the sewing
head can cause severe injuries.