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(
To be handed to the
Operating instructions
for the double insulated and radio suppressed
Two
Speed
Percussion Drill type DSc 636
and for type DSc 736 (42 volts)
1. Technical Data:
Current:
-
(AC single phase)
I
Capacity in
Speed
R.P.M
.
Percussions
Net weight
I
Ty
pe
stone
I
steel
full load
per
minute
Input
I
Outpu
t
with
chuck
in.
I
mm
in.
I
mm
full load
Watts
Watts
lbs
I
kg
DSc 636
1st speed
820
1st speed
1f2
12
5 /16
8
2nd
spee
d 1600
13000
280
150
4.9
2.2
DSc 736
2.
Construction
This two-speed percussion drill is
an
electric tool of Class
II
with protective insulation
without earth
wire and in accordance
with VDE r egulations
0740.
The
p rotective insulation
is addi-
tional to the normal insulation
and
is
attained
by the
shockproof
motor
housing
made
of
Polyamide
and
by
insula ting
the
anna-
ture
sh
aft
against
the
gearing. The
drill is
tested
with
the
pre-
scribed
test
voltage
of 4000
V
.
The machine
is
radio suppressed
according
to
r
adio interference degree N.
It
is
supplied
with
a two-core cable
without earth wire and
must not be earthed.
Type DSc 736
for
low tension
(v olta ge
42 Volts) is
of
the
same
design but
w
ithout double
insulation
and not radio
suppressed.
To prevent damage to the insulation no additional marking
plates and
signs
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
b
e
plugged
into plain
or safety
sockets.
Switch must be in the "Off" position when
connecting_
BE 184/e X
8.
69
Printed in Germany
Changing the Speed
:
Turn slide (65) anticlockwise through 90
°
(slide grip
must
be
horizontal)
and
push forward (slow
speed)
or
backward
(fast
speed).
then turn slide clockwise through
90
°
;
now
the slide
is
locked.
Attention
!
Before changing
speed,
machine
h
as
to
b
e sw itched
off.
For
Percussion Drilling:
the strength of blow
can
b
e
adjusted
by
turning
the sleeve (55)
clockwise:
We recommend to use low speed for percussion drilling as this
has shown to realize the best percussion drilling capacity. The
higher speed should be preserved for drilling
only
.
4. Maintenance
The
two-speed p
ercussion drill
requires
proper
m ainten an
ce.
Before carrying out any maintenance WC?rk a lways remember
to pull
out
the plug.
Every
300
duty hours
clean
the
machine
of carbon
dust and dirt,
in
particular commutator and
insulated
parts.
This is
done
with
a
brush or
by
blowing
out th
e
tool
w
ith
dry
pneumatic
a ir.
After
checking
the
carbon
b
rushes
make
sure
to
refit
them
in
their original
position
and
check
that
th
ey
move easily
in
their
h older.
They
should
be
r
eplaced at
the
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