Panasonic SD-257WST, Service Manual

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7.10. Sensor assy
1. Remove the screw and hexagon nut and detach the sen-
sor assy from the heater case unit.
Tips on assembly
• Insert the notched part of the sensor assy into the fixing
square hole of heater case unit and screw the sensor assy
to the heater case unit.
7.11. Pulley B, connector lower unit and others
1. Remove the belt with sliding it out while rotating pulley B.
2. Remove the hexagon nut (special) fixing pulley B by rotat-
ing it counterclockwise.
3. Remove the round plain washer, lock washer and pulley
B.
4. Remove U-clip and pull the connector lower unit out
toward the inner side.
Tips on assembly
• Position each "D" cut of the connector lower unit, pulley B
and lock washer.