Dürkopp Adler M-TYPE 667, Инструкция по эксплуатации

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3.2.2 Function of supplementary thread tension in relation to the sewing foot lift and the
Speedomat for subclass 667-180312 and 667-180332
Button 1 (see chapter 3.15) on the machine's keypad can be used to activate
or deactivate the supplementary thread tension at any time. Parameter F-255
must be set to "7" for this to work.
(*) When the max. stroke adjustment is switched on via the knee switch
and the HP-speed of parameter F-117 is reached by the "Speedomat", the
supplementary thread tension is switched on automatically.
0 = Supplementary thread tension mechanically closed
1 = Supplementary thread tension mechanically opened

If the supplementary thread tensioner is closed, it remains closed during the stroke adjustment.

If the machine is turned off, the supplementary thread tension remains at its previously set state.
Basic adjustment in the control box for automatic stepwise speed reduction
(Speedomat) by the adjusting knob for the height of the alternating feeding
stroke.
Parameter 188
Step 01-21 entire Speedomat range
Step 01-10 maximum permitted speed, parameterF-111 = 3000 rpm
Step 11-18 linear stepwise reduction of the maximum speed
(Speedomat)
Step 19-21 maximum permitted speed, parameter F-117 = 1800 rpm
Parameter
Adjustment Max. stroke adjustment
via knee switch Stroke adjusted by the
adjusting knob when
reaching the HP speed
of parameter F-117
(Speedomat)
F-197 = 0
F-197 = 1
F-197 = 2
F-197 = 3 1
0
1 (*)
0
1
1
0
0