STROBEL
5 Machine maintenance
Attention!
Switch
off
machine electrically and
confirm
that
the
machine is really in
standstill
position
by
operating
the
treadle
for
the
motor
control.
Otherwise
danger
of
finger
bruises and needle
throughstitches.
The
machine
is maintenancefree due
to
automatic
lubrication (see
point
3.5
First lubrication),
only
once a
week
dirt
and hairs should be removed
from
oil drain hole
liD"
to
allow
the
oil
coming
from
the
needle bar
to
drain
off.
Also
oil splashing
protector
IIC"
should be cleaned (remove small
cover
at
looper
shaft),
to
avoid
that
the
oil is soaked up
by
the
dirt
and
thus
spoiling
the
material.
Once
a
week
oil drain hole
,D''
should be cleaned
to
allow
the
oil coming
from
the
needle bar
to
drain
off
(fig.
16).
Also
oil splashing
protector
IIC"
should be cleaned (remove small
cover
at
looper
shaft),
to
avoid
that
the
oil
is soaked up
by
the
dirt
and
thus
spoiling
the
material.
Checking
the
oil level:
Make
sure
that
there is
always
sufficient
oil in
the
machine
to
enable
the
pump
to
submerge in
the
oil and
to
always
bring
the
oil
upwards.
A plastic receptacle
with
a
capacity
of
exactly
1
liter
is supplied
with
the
machine.
After
having filled
the
machine
with
one
liter
oil,
the
oil
pump's
suction
piece is submerged in
the
oil.
Oil
quantity
and cleanness should be checked every
six
to
twelve
month
maximum.
If
the
oil is still clean enough,
the
oil
quantity
can be checked using
the
plastic receptacle. Drain
the
oil
into
this
receptacle an re-fill
it
into
the
machine
if
the
oil
quantity
is still correct.
It
is recommended
to
order a
second
oil
container
to
complete
the
oil
quantity
to
one liter,
if
necessary.
The
first
oil change should be realized
after
about
six
month
operation.
24
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