
28
Figure
Water Valve-Open
The armature spring is compressed by this action.
When the armature moves up, it allows the water on the
top of the diaphragm to drain through the main orifice.
The diaphragm bleed orifice is much smaller than the
main orifice and will not admit enough water to maintain
pressure on the top side of the diaphragm. Thus, as the
pressure on the top of the diaphragm is reduced to
almost zero, the pressure on the bottom lifts the
diaphragm off the valve seat, allowing a full flow of
water.
Figure
Water Valve- Diaphragm Up
When the solenoid is de-energized, the armature drops
down, closing the diaphragm main orifice. Water contin-
ues to flow through the diaphragm bleed orifice,
equalizing the pressure and allowing the spring to push
the diaphragm down against the valve seat.
Figure
Water Valve-Closing
To Test Water Valve:
1. Disconnect the washer from electrical supply.
2. Make a continuity check of the valve harness to
determine whether or not a circuit exists.
3. Use an ohmmeter. Resistance of the solenoid
should be approximately 880 ohms ±10% @ 77°F.
4. If harness and solenoid test OK, simulate a normal
valve operation by testing solenoid coil, using a
separate 115 volt power source directly, with a
properly fused and grounded service cord.
5. If water valve operates on both solenoids, check
timer, water level control, and water temperature
selector switch circuits. If water valve fails to
operate, check valve inlet screens for debris and/
or replace water valve.
To Remove or Replace Water Valve:
The water valve is mounted on the cabinet at the left
rear of the washer. The valve may be replaced by
removing either the top or rear service panel.
1. Disconnect washer from electrical supply and turn
off the water supply.
2. Remove hot and cold fill hoses from water valve.
3. Remove top or rear service panel.
4. Remove two screws securing water valve to cabi-
net brace.
5. Remove the wiring harness connector plugs.
6. Remove clamp securing water valve to air gap
hose.
7. Reverse procedure to install the new water valve.
Check for operation.
Содержание WSXH208T
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Страница 43: ...42 TIMER DIAGNOSTIC AID Cut Out Center Hole Place Over Timer Knob and Align With STOP Position ...
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