Singer 321 KNITTER - Page 94

90
Nature of
Trouble
Places to be
Inspected
Causes Remedy
Carriage
is
heavy
in
operation
Check if Rail of
Needle Bed, Slider
Carriage Pipe, Cams
etc. are properly
lubricated,
In case Rail of Needle
Bed, Slider, Carriage
Pipe, Cams etc are
poorly
lubricated, Carriage
becomes
rough and heavy
in
operation.
Clean off the solid
surfaces of those
parts and apply the
machine oil contained
in an accessory box.
See
Instruction
Manual
page 81
Check the
position
of Fabric
Presser.
If
the edge of Fabric
Presser is
too high or
comes in
contact with
Sinkers, Carriage gets
heavy to
operate because
of an
increased
resistance
upon a Fabric Presser.
Adjust the
P.S.
Clearance.
See
page 71
,
Latch
and
Hook
of
Needle
get
bent
easily.
Yarn Feeder
_
In
case Yarn
Feeder is
positioned
too low,
you
will get the
hook
or
latch
of a
Needle caught by
Yarn Feeder when knitting
at a high
speed.
Adjust
the
Y.N.
clearance.
See page 73