Dual 1225 - Start Cycle

Trouble
Tonearm misses edge
of record
Tonearm strikes re~,
cord during change
cycle
Tonearm does not
move onto record
when drop cycle is
started
Tonearm lowers too
guickly when drop
cycle is started
Tonearm returns to
rest immediately af-
ter being placed on
record manually
Start Cycle
Cause
a) Record setting
incorrect
b) Set-down point
incorrectly
adjusted
c) Record not stan-
dard size
d) Friction surfaces
of tonearm clutch
dirty
Tonearm height ad-
justment incorrectly
set
Excessive damping
caused by dirt in si-
licone oil in lift
tube
Insufficient damping
caused by improper
addition of lubricant
to damping compound
Shut-off mechanism
has shifted out of
position during
shipping
Moving
the
start
switch
(33)
causes
change
lever
(209)
to
rotate
outwards.
This
ini-—
tiates
the
following
functions:
a)
A
lug
rotates
shift
arm
(180).
The
lat-
ter
in
turn
by
means
of
a
tension
spring
moves
the
change
lever
(130)
and
thus
the
idler
wheel
(152)
into
engagement
with
motor
pulley
(137/139)
and
platter
ye
At
the
same
time
the
power
switch
167) is actuated by the switch slide
(177) coupled to the shift arm and the
platter starts to rotate.
b)
Change
lever
(209)
is
brought
within
reach
of
the
cam
follower
lever
(195)
so
that
the
latter
is
pushed
into
the
chan-
g&@
position
after
subsequent
rotation
of
the
main
cam.
.
Remedy
a) Carry out necessary adjustment by means
of right-hand selector lever (33).
b) Set right-hand selector lever to "45".
- With a screwdriver inserted through the
hole exposed turn eccentric pin until
the tonearm sets down approximately
1.5 mm from the edge of the record. (Ad-
justment is only carried out for 7" re-
cords and is then automatically correct
for 12" records.)
c) Use standard record
d) Clean clutch surfaces
Adjust arm height with adjuster sleeve (38).
Height is correct when stylus tip is 2 = 3 mm
above selector lever (33) when arm is remo-
ved from rest.
Remove tonearm complete with bearing assem-
bly (described on page 6). Remove lock was-
her (37), detach adjuster sleeve and remove
second lock washer 137). Remove lock washer
(253) on adjuster lever (214). Detach posi-
tioning slide from pin on adjuster lever,
turn slightly until lift pin (249) is relea-
sed. Remove lift pin. Clean lift tube and
lift pin. Smear lift pin evenly with "Wacker
Silicone oil AK 500 OOO". Smear lift pin
evenly with "Wacker silicone oil AK 500 O00".
Reassemble components,
Remove tonearm complete with bearing assembly
(described on page 6). Remove lock washer
(37), detach adjuster sleever and remove se-
cond lock washer (37). Remove lock washer
(253) on adjuster lever (214). Detach posi-
tioning slide from pin on adjuster lever,
turn slightly until lift pin (249) is rele-
ased. Remove lift pin. Clean lift tube and
lift pin. Smear lift pin evenly with "Wacker
Silicone oil AK 500 O00". Reassemble com-
ponents.
Before using changer after moving, run it
through start cycle with tonearm locked
on rest (selector moved to "start")
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