To disengage
the upper
knife
C) Upper knife knob
(_) Upper knife
(_) Stopper pin
Disconnect the machine from the power supply,
Open the looper and side covers,
Turn the upper knife knob C) toward you while pushing it in
to the right, then guide the hole on upper knife (_) to the
stopper pin (_ to lock the upper knife in down position.
Close the looper and side covers,
f
To engage
the upper knife
(_ Upper knife knob
(_) Upper knife
(_) Stopper pin
Disconnect the machine from the power supply.
Open the looper and side covers.
Turn the upper knife knob (_ away from you while pushing
it to the right, then guide the groove on upper knife (_) to
the stopper pin (_ to lock upper knife in the up position.
Close the looper and side covers.
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