LumaSense Technologies M330 - Manual (Page 26)

M330 Manual Service 26
6.3.1 Primary Thermocouple Replacement Procedure
1. Remove the screws holding the M330 front and rear panels.
2. Lower the front and rear panels, as shown in photos.
3. Disconnect heater supply wires.
4. Loosen and remove four shelf mounting screws.
5. Slide shelf out of enclosure enough to get access to the primary thermocouple.
6. Loosen thermocouple clamp screws but do not remove screws entirely. Measure and
mark existing thermocouple depth.
7. Pull thermocouple out. Save the white ceramic wrapping around thermocouple where
the clamp grips.
Front panel
4 4
5
6
Primary
Thermocouple
7
6
Ceramic wrapping