Adjustment
20
15
.06.13
Adjusting feed regulator zero position
Rule
The needle should always puncture the material at the same position at maximum speed
(
4500
min
-
1
)
with stitch length regulation “
0
”.
Fig. 15 - 14
O
Unthread the machine.
O
Switch the machine on.
O
Place the workpiece under the sewing foot.
O
Sew with the machine at max. speed and check the
rule
.
(Workpiece must not move.)
O
Change the value for parameter
834
within the permissible values according to the
rule
.
The permissible values for parameter
834
are “-
1
”, “0” or “1”.
If the feed regulator zero position cannot be set by selecting the permissi-
ble values, the mechanical setting must be checked or corrected, see
chapter
15.06.03 Bottom transporter zero position
.
The zero position of the feed regulator is always identifiable in a range of
3
val-
ues. The middle value must be selected when making the adjustment.
O
Switch the machine off.
Further information about selecting and changing parameters and explanations
(functions) about the individual parameters can be found in
chapter 15.11 Pa-
rameter settings
.