Operation Manual
Element function
Sight glass 7 with inlet
opening 6
– Indicating the oil level in the reservoir for the hook
lubrication.
The reservoir must never be empty.
– Tilt the machine head backwards and fill the oil
ESSO "SP NK 10" into the oil reservoir up to the
mark "MAX".
Control panel 5
– See the instruction manual of the motor
manufacturer.
Light-emitting diodes (LEDs)
1, 2, 3 and 4
– Indicating the maximum speed (number of stitches)
depending on the foot stroke and stitch length:
Active. LEDs Maximum speed
1 2 3 4 4000 rpm*
2 3 4 3000 rpm*
3 4 2000 rpm
* Smaller speeds are possible by the use of smaller
pulleys or by inputting the respective values at the
control panel.
Key block 13
Key 17 – Activate "intermittent tacking" within the seam to be
sewn - as long as the key is activated.
Key 16 – Alternate the needle between its upper position (2
nd
position) and bottom position (1
st
position).
Key 15 – Free for special functions.
Key 14 – Activating the higher foot stroke that has been set
with the relevant dial.
– The different operating modes may be found in the
description of the knee switch 1 (page 10) that
activates the same function.
Light-emitting diodes (LEDs)
at the key block 13
LED 10 – Indicating "Sewing machine motor enabled".
With enabled sewing machine motor, needle
change, bobbin change, threading and
other work within the motion range of
elements are
not permitted.
Otherwise there is danger of injury!
LED 8 and 9
– Indicating "Bobbin empty except for remaining
thread". (Only on machines with bobbin thread
monitor)
LED 11 and 12 – Indicating when the keys 14 and 15 are operated.
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