Wascomat Giant W 185, Руководство по эксплуатации и техническому обслуживанию

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Mechanical and electrical design
Relays
The W-series models employ either two
(W75, 105) or three (W125, 185) relays to
energize the windings of the wash/extract motor.
The relays control:
• The reversing action of the motor at wash
speed.
• The action of the motor at extraction speed.
Construction
The body of the relay holding the stationary
contacts is made of current-resistant plastic.
A solenoid and a contact bank hold the moving
contacts. The contacts are spring-loaded to
assure the correct contact pressure.
The relay is constructed for continous operation,
whether mounted horizontally or vertically.
Screw-type terminals provide perfect connections
even when one or two wires have different dia-
meters.
Operation
When the solenoid is energized, the two halves
of the magnet core are drawn together, pulling
down the moving contacts, thus making or
breaking the circuit. When the current cuts out,
springs force the contact bank into its original
position, thus closing or opening the circuits.
Trouble shooting
If the relay fails to operate despite power to the
coil, turn off the power and check the solenoid by
measuring the resistance across the terminals
(1).
If the relay hums when power is applied, this
indicates either a break in the insulator holding
the moving contacts at the axle where it holds the
top half of core (3), or a rusty core (4), which can
be cleaned.
Make sure that the moving contact assembly
moves freely. Always replace burnt or pitted
contacts (2) ... do not reuse contacts.
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0301
Fig.
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Fig.
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