Pfaff 2170 - Manual (Page 30)

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Pr
epar
ations
Inserting the bobbin and bobbin case
Switch off the main switch.
Open the bobbin door at the left side swinging it open towards the
front.
Lift the latch of the bobbin case and pull the bobbin case out of the
machine. Release the latch and take the empty bobbin out of the bobbin
case.
Bobbin thread monitor
When the bobbin thread is nearing its end the red light next to the
reverse button fl ashes automatically. A warning message will also be
given on your display. This function is only activated when the bobbin
door is closed.
Inserting the bobbin
Insert the full bobbin (with the Pfaff logo facing towards the bobbin
case) in the bobbin case. When doing so, pull the thread through slot
(A), then under tension spring (B) until it rests in the opening (see
arrow).
Check: Hold the bobbin case with the bobbin facing towards you. When you pull the
thread, the bobbin must turn clockwise.
Inserting the bobbin case
Lift latch (E) and push the bobbin case fully onto pin (C) of the sewing
hook. Opening (D) of the bobbin case must face upwards.
Check: Pull the bobbin thread sharply. The bobbin case must not fall out of the hook.