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Fein MSh 636-1 Operating Instruction

Double insulated and radio suppressed small hand grinder
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MSh 636-1
To be handed to the workshop
Operating instruction for the
double insulated and radio suppressed
Small Hand Grinder type MSh 636-1
and for type MSh 736-1 {42 Volts)
1. Technical data
Type of current: - (AC
single
phase)
Speed
Input
Output
Type
R.P.
M.
Watts
Watts
I
MSh 636-1
I
28000
280
150
MSh 736-1
I
I
I
I
2. Construction
The hand
grinder MSh 636-1 is an electric tool of Class
II
and
is
in
accordance with the VDE regulations
0740.
The
protective insu-
lation
is additional
to
the normal insulation and
protects the
operator against electric accidents which
may
be caused
by
de-
fects in
the normal
insulation.
The
pole
housing
is
insulated by
the
motor housing
made of shockproof
Polyamide
and
the
elec-
tric parts
of the armature are
protected
by a separating
insula-
tion
against the drive shaft.
The machine is
supplied with a
two-
core cable without earth wire and
must not be
earthed.
The high
voltage test
is
made with the prescribed
test
voltage of
4000
Volts.
The
machine is radio-suppressed according
to
radio inter-
ference degree N.
The bearings
are
protected
against
the
ingress of grinding dust.
Type
MSh
736-1 (42
V) is of the same
design but
without double
insulation. This
type
must
also
be
connected with a
two-core
cable without earth wire.
In
order to
prevent the
overbridging of
the
insulation
no
addi-
tional marking plates
and sings
must be riveted or screwed
on
the housing. We recommend
the
use
of transfers only.
3. Connection and Operation
Main
voltage
must
correspond
to the
operating
voltage marked
on
the rating plate. The tool
can
be plugged into plain
or safety
sockets. Switch must be in the
"Off"
position when connecting.
Do not use grinding
wheels exceeding
the max. diameter stated
in the table. In order to avoid
accidents
observe the security
prescriptions for grinding.
BE 324/e
X 3. 70
Printed in Germany
Weight
I
Grinding Points
Tool
max. C/J
I
max.
length
holder
lbs
I
kg
I
in.
I
mm
in.
I
mm
I
I
I
I
Collet
3.25
1.5
25j32
20
1
25
6 mm C/J
or
1 /4"
I
4. Maintenance and Lubrication
Before carrying out any
maintenance
work always remember
to
pull out the
plug.
Every
100
duty hours the
tool should
be cleaned
thoroughly
in
order to
guarantee the
safety
given by
the
protective insulation.
For this purpose
carbon holders and insulated
parts must be
cleaned
of
carbon and grinding dust.
This
is
done by means
of a
brush or
by blowing
out
the tool
with
dry pneumatic
air or a
hand blower.
For checking
the
carbon
brushes the carbon holders
(10)
can
be
taken out after
unscrewing the
screws
(12). Make
sure that
the
carbon brushes are refitted
in their original place
and
that they
move
easily in
their holder. They should be
replaced at the
latest
when they
have
worn
down to
7
mm ( 1 /4"). Please, only
use
original
Fein
carbon
brushes (Order Reference EZ 11-62)
.
After fitting new brushes, run
tool unloaded
for about
15 minu-
tes
to
allow brushes to bed
in.
One
pair of
spare carbon
brushes
(70)
will be found in the motor
housing; please, do not
forget
to reorder them in time.
In
order
to prevent
accidents check cable at
regular intervals.
To replace the
cable
unscrew the
screws
(22)
and
(23)
and
re-
move
the
cover
(21).
Clamp off cable
from
switch
(14). unscrew
screws
(20)
at cable
clamping bridge
(19)
and
take
out cable.
After approx.
900
duty hours clean the machine thoroughly. For
this purpose dismantle the tool
according
to paragraph
5.
The
ball bearings are
to
be rinsed in clean solvent
and
packed
with
new grease. In order
to
prevent
overheating
of the bearings, the
space
between inner
and
outer ring is to be filled one third
with
grease.
For this purpose
we
recommend our
ball
bearing grease

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This manual is also suitable for:

Msh 736-1