Dual 1226 - Motor and Drive

Fig. 2 Motor suspension and platter drive
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Motor and Drive
The turntable platter and change mechanism
are driven by a vibration-free four-pole
motor (123) with an extremely low stray
magnetic field.
Motor speed is constant for line-voltage
variations of + 10 %. It is dependent on
(and proportional to) line frequency. Two
interchangeable motor pulleys (120) are
available for adapting the changer to 50
or 60 Hz operation:
Motor pulley for 50 Hz
operation:
Motor pulley for 60 Hz
operation: part no. 232 899
part no. 232 898
The motor pulley is secured to the motor
shaft by a setscreuw.
Fig. 3 Motor field connections
(less connection plate)
218
The turntable platter is driven by the id-
ler wheel (150) which is automatically di-
sengaged from the motor pulley when the
unit is shut off, in order to protect its
driving surface.
Turntable speeds of 33 1/3 and 45 rpm are
selected by raising or lowering the idler
wheel (1503 to the appropriate step on the
motor pulley.
When the selector lever (44) is moved, the
selector segment (108) rotates. The causes
the lever (130) fitted in the slot of the
selector segment (108) rotates. This causes
the lever (130) fitted in the slot of the
selector segment to move in vertical direc-
pulley and set down again on the motor pul-
ley step for the adjacent speed.
Fig. 4 Motor field connections
(with connection plate)
220-240V