Blades
and
inserts should be sharpened
with
a fine honing stone. When
the
bright
cylindrical
part
of
the blade has been
ground
away,
a
new
blade
must
be fitted.
The
edge
of
the
cutter
insert must also be
sharp
at
all rimes; resharpen
only
the
top
face.
From
time to
tim
e,
apply
a few drops
of
oil
to
the
slot
in
the
anvil
to
lubricate the blade guides. Also lubricate
the
cutting edge
by
apply-
ing a
little
oil
with
a brush along the scribed line
on
the·sheet. Slacken
screw (66), every day,
and
apply
a few drops
of
oil here, to lubricate
the slides
of
plunger (67), connecting linkage (72)
with
roller (73),
needle bearing (74)
and
ball bearing (46).
The
nibbler head being the
power
transmitting
element requires good
lubrication. The gear grease should be renewed
after
approx. 300
working
hours. Please,
only
use
our
special
FEIN
gear grease
Sst
1.
A mixing
of
this grease
with
other
greases endangers the greasing
capacities,
and
therefore
al
so
usc
Sst 1 grease for rhe roller bearings in
the gear head.
quantity
order
reference I contents
·rype I I
oz
g oz g
ISst 1 for gears 1 0.53 1
15
MZ
60-3/Sst
1 I 3.2 I
90
No
claims can be
entertained
for
damage
due
to
negligent maintenance
or
inadequate
lubrication.
After
900
working
hours
the machine s
hould
be cleaned thoroughly.
For
this purpose the machine
is
dismantled as described in
paragraph
5
and
the
individual
parts
are
then cleaned.
The
ball
be~rings
(33)
are rinsed
in
clean solvent
and,
when
dry,
packed
with
our
special
grease Sst 1.
In
orda
to
prevent
overheating
of
the
bearings
at
high
speeds
the
space between
inner
and
outer ring
of
the bearing should
be filled
only
about
1/a
with
grease.
5.
Dismantling
The
tool should
on
ly
be
taken
apart
by
an
expert,
wo
rking m the
following sequence:
1. Unscrew screws (22, 23), then rake off handle cover (21).
2.
Loosen connection cable from switch (14)
and
draw
out
switch.
Clamp
off
motor
cable.
Unscrew screws (12),
take
out
carbon
holder
(10), remove screw
(16)
and
dr
aw
out
interference capacitor (15).
3.
Unscrew
two
hexagon socket screws (43)
and
remove
outer
bear-
ing (44), unscrew
four
cylindrical screws (57)
and
take
off
inter-
mediate bearing (40).
4.
Draw
out
armature
(26), unscrew three screws (31)
and
remove
armature
pinion (30).
5.
Draw
insulating ring (9)
out
of
motor housing (1), unscrew cylin-
drical screws (8)
and
tak
e
out
pole housing (6).
6.
Repair
and
Spare
Parts
We recommend
our
Fein Service Stations
to
carry
out
all
overh
aul
and
repair
work
quickly
and
expertly.
When
ordering
spare
parts,
please,
quote
model
and
serial
No
in
addition
to
order
reference
or
send
in
sample
part.
We
draw
your
attention
to
the need to
carry
out
a
high
voltage test
in accordance
with
your
local regulations (or
VDE
regulation 0740)
before
taking
a tool
into
service
after
any
repair
carried
out
by
y
our
own
staff.
(