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DSc
648
To be handed to the workshop!
Operating instructions
for ·the double insulated and radio suppressed
Two Speed Percussion Drill type DSc 648
and type DSc 7 48 (42 Volts)
1. Technical Data
Type of
current
:
""
Double
insulation
without
earth
wire
according
to VDE 0740
Radio suppressed according to VDE 0875
Capacity in
Net
weight
Type
stone
steel
Speed R.P.M.
Percussions
Input
Output
with
chuck
I
I
full load
full
load
Watts
Watts
in.
mm
in.
mm
DSc 648
}
1st
spe
ed
5/
s
16
DSc 748
1
3
/16
30
(42V)
2nd
speed 3/s
10
2. Operation
Main voltage must correspond
to
the operation voltage marked
on the rating plate. Switch
in
"Off" position.
1
~,
To prevent overbridging of the protecting
insulation,
no additio-
nal marking plates and signs must be riveted or screwed. We
recommend the use of transfers.
Changing of
the
speed
Push slide (61) into the position I or II. Change speed only at
stand-still of the machine.
Percussion mechanism:
The rotatable
sleeve (69)
engages
and
disengages the percussion mechanism steplessly. The final po-
sition is marked.
3. Maintenance and Lubrication
Pull out plug before carrying out any maintenance
work.
Twice
a week
gr~ase
percussion
mechanism
with a grease gun.
After 300
working
hours
.
clean air
openings
of
the motor hous-
ing. Blow out motor with dry pneumatic air. Renew the gear
grease. Loosen screws (80, 81) and take off percussion drill head.
Only use the Fein special grease Sst
i.
After 900
working
hours clean machine thoroughly. Rinse gears
in
clean
solvent
and pack
with fresh
grease Sst 1.
Rinse ball
bearings
in clean
solvent
and pack
with
fresh grease
for ball
bearings Sst 1. Dismantling
see
paragraph 4.
BE 234/e X 9. 71
lbs
kg
370
6000
500
300
9.1
4.1
900
14500
Quantity
Order
Contents
Type
of
grease
Reference
oz
g
oz
g
Sst 1
1
3
/
4
50
MZ
60-3/
Sst l
3
1
/s
90
Clean electric
parts'
only dry.
Replace
.
c arbon
brushes when they have
worn
down to 7 mm
(0.28 in)
.
To replace brushes
see
paragraph
4,
positions
1
and 3.
Only use Fein
carbon
brushes.
After fitting
new b
rushes
check
that
they
move easily in their
holder. Run tool unloaded for about 15
min.
Check connection cable
at regular
intervals. To
replace
unscrew
screws (20,
21),
remove
cover
(19), loosen
screws (16)
of
the
ter-
minal clamp
and
clamp
off cable
from
switch (12).
No claims
can be entertained for
damage
due to negligent main-
tenance and
inadequate
lubrication.
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