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To be handed to the workshop
Operating instructions
for the Hand Grinder type MShy 664
and type MShy 764 {42 Volts)
1. Technical Data
Type
of current:
~
(A.C. single
phase)
Double
insulation without earth wire
in
accordance with VDE
0740.
Radio suppressed
in
accordance with VDE
0875.
Speed
Capacity
Type
RPM
Input
I
Output
Watts
Watts
MShy 664
}
6900
1400
920
MShy 764
1 )
Grinding wheel
for 147
ft./s
max.
2. Operation
Switch in
"Off"
position.
Main voltage must correspond
to the
operating voltage marked
on the rating
plate.
To prevent the overbridging of the insulation no additional
marking plates and
signs
must be riveted or
screwed. We re-
commend
the use
of
transfers.
Grinding wheels: Only use
grinding wheels with
the
admissible
peripheral speed.
In
any case
pay
attention
to
your
local
safety
regulations
on the
use
of
grinding
wheels.
3. Maintenance and lubrication
Pull out the plug before carrying out any maintenance work.
After
100 working hours
clean air openings of
the
motor hous-
ing. Blow
out
motor
with dry
pneumatic
air.
Clean electric parts only dry.
Replace carbon brushes when
they have
worn
down to
7
mm
(0.28 in). To replace
brushes see
paragraph 4,
section 4.
Only use "Fein" carbon brushes.
After
fitting new
brushes, run
tool unloaded for
about
15
min.
BE 417/e
X 5.73
Grinding wheel
hole
Net weight
max.
Cf;
I
max.
width
I
I
mm
I
in.
mm
I
in.
mm
in.
kg
lbs
125
1 )
5
32/26
1
1 /4
20
25/32
4.5
9.91
Check cable at
regular intervals. To
exchange cable, see
para-
graph 4,
section 4.
After 300 working hours renew the gear grease.
Quantity
of
grease:
75
g.
Order
Reference for
tube
of approximately 90
g:
MZ 60-3/Sst
1.
Only
use Fein
special grease Sst
1.
A
mixing
of
this
grease with
other greases
endangers the greasing capaci-
ties.
After
900
working hours clean
machine thoroughly.
Rinse ball
bearings
in
clean
solvent and
pack
with
fresh grease
Sst
1.
Only
the
anti-friction
bearing
(54) must be
greased
with grease
FK
5.
Order Reference for the
tube
of 5 g: MZ 60-5/FK 5.
Fill space
between inner and outer ring only one third with grease. For
good and adequate
lubrication
and
in
order
to
avoid
over-
heating it
is
important to pack
the gearing
with the grades
and
quantities
of
grease given. Dismantling see paragraph
4.
No
claims
can
be
entertained for damage due
to
negligent
main-
tenance
and
lubrication.
4. Dismantling
The
work should always
be left to
an expert.
1.
Unscrew screws
(55).
take off outer
bearing
(30).
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