Husqvarna Zig Zag - Machine oiling and cleaning details; Oiling specific machine parts

Oiling
and
cleaning
the
rnachine"
Fig.
21.
During
sewing,
thread
ends
and
ftuff
collect
in
rhe
shuttle
path.
These
are
liable
to
interfere
with
the smooth
oPera-
irion
of
the
machine
and
must
therefore
be
removed,
and
to
do
this,
the
shuttle
must
be taken
out.
Place
the
needte
bar
in
its
highest
position,
open
rhe
shuttle
door
and
remove
the
bobbin
case.
Pressure
ot.r.
spring
L,
Fig.
24, will
open
the
shuttle
path and
shutrle
2 can
then
be
removed,
after
which
it is
easy
to clean
the
shuttle
path,
first
with
a
brush
and
afterwards
with a
match
or
other
implement
not
too
hard
or
pointed,
wound
round
with a
piece of
material
or'
cotton
wool..
Clean
the shuttle
at
the
same
time
and lubri
cate
it
by
wiping
the
bearing
Path
with
a
piece of
cl<
I
t I r
moistened
with a
drop of
oil"
In order
to
avoid
oil
gcrtirrri
on
the
thread
and
material,
it is
important
that
oilirrq
2A
Oiling
and cleaning
the
machine"
should
not be
carried
our
in
any
other
u.oy.
The
cenrre
pin
3
in the
shuttle
should
also
be
given
a drbp
of oil"
The
tension
of the
under thread
may
sornerimes
alter
as
a
result
of dust
or
thread
fluff
collecting
undern.uth
the
thread
tension
spring
on the bobbin
case. If
so, it
is
neces-
sfl,ry
to
unscrew
the
spring
and clean
it.
Itiil.
25. Arrows
show
the points
which
require
oiling.
Thc
1'rarts
irr
thc
upper
arm
of the machine
should
also bc
oiled,
c.s[)ccially
thc
take-up
lever
and t.he
parrs
which
im-
part, mov('r'l'tcnr
ro
the
needle
bar,
the ztg-zag
mechalti.sltr
and parts irr
rlrc lo\\,cr
Arm.
See Fiqs.
22,
ZS
and 2C.
tj
l
2t