OHAUS MB120 Service Manual page 49

CHAPTER 3 – MAINTENANCE PROCEDURES
3.11.1.1 Replacing the Temperature sensor.
1. Remove the temperature wire from its protective sleeve.
2. Detach the wire connection as show below.
3. Remove the two screws holding the temperature sensor in position.
MB90 MB120 Series Service Manual
1. Thermal overload.
2. Temperature sensor.
3. Halogen Lamp.
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