CONTENTS
Setting up
the
machine 2
Speed
3
Oiling 3
Needle
and
thread
6
Inserting and removing
the
bobbin 6
Winding
bobbins
8
Threading
the
machine 9
Regulating
the
thread
tension
10
Regulating
the
pressure on
goods
11
Adjusting the stitch length 11
Adjusting the lift of
the
alternating presser feet 12
How to re-set the safety clutch mechanism 12
INFORMATION
FOR
ADJUSTMENT
Replacement of
the
timing belt 13
Adjusting
the
height of
the
feed
dog
14
Adjusting the timing of the needle plate, needle
and
feeder 14
Adjusting
the
height of
the
needle
bar
15
Timing
between
the
needle
and
hook
15
Relative position
between
bobbin case and
opener
16
Adjusting
the
height
of
the
presser
feet
16
Timing of the vibrating presser
foot
17
Adjusting
the
thread controller spring 17
Instructions
for 227B or 227BR
only
18
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