27
Maintenance
4
4.1
4.2
4.3
Machine Head
Cleaning
Lubrication
Safety
Inspection
Clean the machine periodically with
a soft and dry cloth to remove the
excess of dust on the machine
head. Do not use any kind of
lacquer thinner to wipe the surface.
Check periodically if all safety
devices are properly installed and
adjusted.
Check if all fixing and supporting
screws of the machine head are
adequately tighten.
If the machine was idle for a long
time, lubricate the machine accord-
ing to the instructions of topics 3.4
Check if the v-belt is not excessively
worn and if it has the right tension.
Check if there is no overheating in
the electrical motor and check if the
power cord and plug are not dam-
aged.
Zigzag Sewing Machine
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