Dual 621 - Direct Drive System EDS 500; Motor System Repair and Replacement

Fig. 3
Direct Drive System Dual EDS 500
Fig. 4
Fig. 5
Netzteil
ei
Supply unit
Bloc
secteur 4111
Generator
Generateur
418
1.
Ti
C3,
)2
T C2
For repair of the Dual EDS 500 special tools and measuring
means are required. Work on the motor or motor electronics
system should, therefore, only be carried out by an authorized
Dual
service station.
Removal
1. Extract unit plug from power line. Lift off platter (4).
Bring
unit into head position.
2. Remove seif tapping screws (112) and
cover of power part
(113).
3. Loosen connection for
operating voltage on power
plate
(109). Unsolder
connecting leads on speed control (129),
turn
switch (5) and generator. Open twists
of holding angle
(150) with
flat pliers.
4. Pull off motor electronics
(152) system from motor (18)
carefully.
5.
Fix replacement motor electronics.
Solder
connecting cables (see
connection diagram Fig. 4).
6 Slide cover over power part and fix it by means of machine
screws (112).
7. With
the unit in normal position
connect it to power line.
Switch on unit and check power
consumption on
Opera-
tion:
220
V/50 Hz approx.
15 mA
110
V/60 Hz approx. 25 mA
Check nominal
speeds. If necessary, readjust
as described
below.
Replacement
of Motor
Mechanic
1. Extract
unit plug from
power line.
Remove platter (4).
2.
With the unit
in head
position remove
seif tapping screws
(112)
and
cover of power part (113).
Loosen
connection
for
operating
voltage on power plate (109).
Drehzahlregler
/ 1 I3
19
Platter speed
switch
/ R
19
Commutateur de vitesse / R 19
C1
R16
•
R
F.
R8
R7r• —
—
i1R101 -
6 — -7
1
•
C
7
8
C7
Motor
Moteur
8.1
I
I
1
1
•-i
R13 F.,
Tcli
44,
D2
T2
•
•
fl2
7
clo.Hu•
Ct . _
vr
'li
.-1
R15
I-•
T3
7
T4
6