Maytag 111990" Automatic Dryers Service Manual page 46

DRYNESS SENSOR
To remove the dryness sensor:
1. Disconnect power supply.
2. Remove the front panel.
3. Remove the wires going to the
dryness sensor, W-BK and W-BK.
4. Remove the two screws securing the
dryness sensor to the bulkhead.
To check the dryness sensor:
CAUTION - - - - - - - - - - - ,
Always disconnect power supply
before making continuity or resist-
ance checks.
1. Disconnect power supply.
2. Remove both wires going to the
sensor bars.
3. Check for continuity across the
sensors. Attach meter across the
terminal on each sensor. If you
have continuity, replace dryness
sensor.
4. Check for circuit to ground from
either sensor bar. Replace both
wire connectors on the spade termi-
nals. Place one meter lead on the
sensor bar inside the drum and
place the other meter lead on
cabinet ground. If you have conti-
nuity, check to make sure the wire
connectors are not making contact
with the front bulkhead. The insu-
lated wire connector goes on the
terminal closest to the bulkhead.
ED/GD401 1090
TUMBLER FRONT
The tumbler front holds the front of the
tumbler in the correct position and pro-
vides the bearing surfaces for the
tumbler to ride on.
1. Remove front panel.
2. Remove four screws holding
tumbler front to cabinet.
3. Remove screw holding ground wire
to cabinet.
4. Disconnect wires from retainer.
5. Pull tumbler front out and away from
tumbler.
Note: Two tabs on each side of the
tumbler front fit into notches in the front
of the cabinet. These must be disen-
gaged to remove tumbler front.
LINT FILTER SWITCH
The lint filter switch produces a "Check
Filter" warning in the dryer's display if
the lint filter is not removed and
replaced after the dryer goes into cool-
down at the end of a cycle or at the end
of Air Fluff. Leaving the filter out will
also activate the warning. The switch is
a reed switch mounted on the outlet
duct assembly and connected to the
microprocessor board through
edgeboard connector CC (refer to sche-
matic). Its contacts are closed by a
magnet that is staked to one side of the
lint filter. The contacts close when the
lint filter is inserted into place in the
outlet duct assembly. When the lint
filter is removed the contacts will open.
Note: The switch does not prevent the
dryer from operating, its function is to
produce a warning to make operator
SECTION 3. SERVICE PROCEDURES
3-18