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Vacuum Breaker (also called an air gap)

In the left rear of the cabinet is the vacuum breaker. It guides the water to the tub and dispenser and prevents

a back ow of water.

Water Valves

Remove top panel to access water valves. (see Removing Top Panel) The two dual outlet water and/or

single coil valves are mounted to the rear channel with two screws each. Always check inlet screens to be

sure that they are clean. Disassembly requires the removal of two solenoid screws and three valve body

screws. Below the solenoid coil is a solenoid guide, armature, armature spring and diaphragm. All valve

parts are available individually or as a complete unit.

Door Lock Assembly Operation

After loading the clothing, the door should be closed and latched. The locking cam on the door contacts

the latching switch actuator which closes the latching switch. The specied number of coins should now be

added to start the washer. The solenoid pulls up on the locking pawl by use of a linkage rod. The locking

pawl has two jobs. The rst is to lock the door. This is accomplished by blocking the locking cam on the

door so that it can’t rotate to unlock. The second job is to close the two piggyback lock sensing switches.

These switches control power to all of the controls. If the door unlocks for any reason, these two switches

will stop the machine. When the door handle is 1/4 to 1/2 of an inch from its fully closed position, the

latching switch should close. The two piggyback lock sensing switches should be open when the door is

unlocked and should be closed when the door is locked.

Accessing the Door Lock Assembly

After removing the front panel and masking ring, the door lock assembly can now be accessed.

Adjustment for Door Lock Assembly

Step 1: Set door cam over pin. Here you can see

the door cam away from the door lock

assembly.

Step 2: Tighten spring screw on switch actuator

bracket arm until it just clears cam OD. at

base of door lock assembly.

Adjustment to this bracket usually

is not necessary as next step is used

Dexter Laundry A Series Service Manual

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