Electrolux SM 554 Manual de servicio descargar pdf (Pagina 70)

Service

Manual

9406

30. Motor

Description

FLE and FLE MP

Both motors, one for wash and distribution and one for extraction, are installed on the same

motor bridge. The motors drive the drum and are mechanically connected to each other by

V-belts. On the 220 litre machine there is also an electromechanical connection. The

motors rotate at each other's speed during wash speed, distribution speed and low

extraction speed.

During high extraction speed the speed guard on the 220 litre machine gives a signal to the

electromechanical connection. This disconnects the motors from each other mechanically.

The wash motor now runs at distribution speed and the extract motor at high speed.

On the 120 litre machine the power supply to the wash motor is disconnected by the speed

guard.

On the motor bridge there are belt tension devices. The extract motor is screwed to a

mobile plate which moves via oblong holes in the motor bridge. This is used to tension the

belt drive between the motors. It is possible to tilt the entire motor bridge with the use of the

oblong holes on the wash motor side. This is used to tension the V-belt up to the wash

drum.

The motors are equipped with thermal guards which are placed in the motor coiling. In the

case of overheating in the motors e.i. if the temperature exceeds 130°C, the guard contacts

cut the power to the motor relays.

The following illustration shows the engagement of both motors. The connection is made

with snap connections, which facilitate the change of motor.

2431

Fig.

Movable plate

Elongated holes

Motor bridge

Wash motor

Extraction motor

Speed guard

Extraction motor

only model 220 l

both 120 & 220 l

Rectifier Connection

High speed

Violet

B1 Yellow

M1 Black

B2 Green

M2 White

B3 Red

M3 Blue

Low speed

Thermal contacts

Wash motor

Violet

Wash

Distribution

Thermal contacts

1 2 ... 65 66 67 68 69 70 71 72 73 74 75 ... 90 91

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Electrolux SM 554 Manual de servicio Pagina 70

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