Appendix
Service Instructions M-TYPE DELTA - 00.0 - 12/2019 229
25.3 Basic setting of the machine
If you wish to perform a complete recalibration of the machine, use the fol-
lowing values as orientation:
Setting Preset value
Customer
preset
Current
machine
mechanical
Stitch regulator gear p. 41
Sewing foot lift p. 68
Sewing foot pressure p. 156
Timing 2 mm
Needle guard p. 57
Feed dog stroke eccentric p. 37
Feed dog
pusher eccentric
p. 38
Sewing foot stroke eccentric p. 39
Feed dog height 0.9 mm
Feed dog position p. 45
Compensating feet p. 63
Needle thread regulator p. 71
Thread tensioning spring travel p. 73
Thread tensioning spring
tension
90 gr.
p. 74
Hook thread tension* 100 gr.
Needle thread pretension
(with main tension open)
1, 3
60 gr.
electronic
Stitch length V/O/R p. 136
Needle thread tension
2, 3
200 gr.
1
Material thickness detection p. 145
* Factory calibration depending on equipment with Serafil white 40Nm, 30Nm or 20Nm
1
Factory calibration always with Serafil black 30 Nm
2
Pretension must always be set mechanically first!
3
measured without needle thread regulator and thread tensioning spring
required tools:
• Locking peg (included, part number 0867 104950)
• Spring balance 600 gr. (part number 0APP 001503)