Fein ASs 648-1, ASs 648-1 d, ASs 748-1, ASs 748-1 d Operating Instructions Manual
To be handed to the workshop
Operating instructions
for the Electric Screwdriver
ASs
648-1, ASs 648-1 d
and for
ASs 748-1, ASs 748-1 d
(42
Volts)
1.
Technical
Data
Type
of
current: ~ (AC)
Double insulation
according
to
VDE
0740
Radi
o s
uppressed according
to
VDE
0875
ASs
648-1 d
ASs
748-1 d
for iron screws
for wood
scre
ws
max. torq
ue
S
pee
d R.P.M.
Input
Tool
I
Net weight
Ty
pe
up
to
up
to
approx.
ho
lder
in
.
I
mm
in.
I
mm
kpm
1
)
I ft.
lb
s.
full
load
I
no load W a
tts
mm I lbs I kg
--
'
ASs
648-1/748-1
3
/s 10
s;,6
8 5 36.2
250
600 400
11
0 7.48 3.4
ASs
648-1 d/748
-1
d
'/•
6
YJ
s;,
6
8
5
36.2
950 2270 400
110
8.2
3.7
1
)
hard
base
2
) f
or
self-
drill
ing
and -ta
pping screw
s
2.
Connection
Main volt
age
must correspond
to t
he ope
ration volt
age
mark
ed
on the ra
ting pl
ate .
Swit
ch
in
"Off" position
.
To preve
nt
overbridging
of
the
protecting
insulation,
no
addi-
tionul ma
rking
plates
and signs
must
be
rivet
ed
or
scr
ewed.
W e
recommend
the
use
of
transfers
.
The scr
ewdriver
is
provided
with a reversing
switch
for
clock-
wise and
anticlockwise
rotation. It
must
not
be ope
rat
ed
when
the machin
e is
running
.
Ad
justme
nt
of
the
torque:
The
machmes
are
provided
with a simple
jaw
clutch
coupling
.
The
torque
is
adjusted
by
changing
the
position
of
the
clutch
claws;
the dee
per
the
gripping
of the
claw, the
high
er
the
torqu
e.
In orde
r to
adju
st the cla
ws, turn screw (51), after hav
ing
sc
rewed
off the retainer ri
ng
(59), the
guide bushin
g (58) and
th
e b
earing sleeve
(53) and l
oosed thread pin
(52).
Th e t
orq
ue is dependent
on the pre
ssure of the
screw
dri
ver
against the
screw
.
BE
41
2/e
GW
6.73
3.
Maintenance
and
Lubrication
Before carrying
out
any
maintenance
work
pull
out
plug.
Aft
er 300
working
hour
s
clea
n a
ir openings
of the mot
or
hou
s-
in
g. Bl
ow
out motor with dry pn
eumatic
air. Renew the
gear
greas
e.
Loos
en
screws
(75, 76) a
nd take
off
gear
hea
d.
Onl
y use t
he Fein
spe
cial grea
se
Sst
1.
Quantity of grease : 60 g.
Ord
er referen
ce
for
tube of
app
rox.
90 g : MZ 60-3/
Sst
1.
After
900
working
hours
cle
an mac
hin
e thoroughl
y.
Rin
se gear
s
a
nd bearin
gs
in clean
solven
t a
nd pack with
fresh gre
ase
Sst
1.
The spa
ce
between
inn
er
and
outer
ring
is
to
be
one
third
filled
with
grease
in
order
that
th e b
earings
do
not
overhe
at.
Dismantling
see
paragraph
4.
Cle
an
electri
c parts
onl
y dry.
Replace
car
bon b
rus
hes
when th
ey have
worn down to 7 mm
(0
.28 in.)
. To re
place brush
es s
ee
para
graph
4, sec
tio
ns
1 a
nd
3.
55
56
reseau
ASs 648-1 d I 748-1 d
with
depth
stop
4
20
18
19
21
17
~
Xi:\<\
12
~16
15
14
13
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