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4.12.5 Replacing thermistor 
1 Remove the viscometer from circulation unit, referring to item 4.12.1. 
 
2 Remove the screw (1 pc) holding the thermistor fixing plate, and then replace the 
thermistor. 
 [Caution] When installing the new thermistor, moisten the O-ring with makeup to prevent it 
from being damaged. 
 
3 Return the viscometer to its original position, referring to item 4.12.4.   
[Caution] After replacing the thermistor, it is necessary to replace the ink and   
 calibrate the viscometer (see “2.6 Calibration of viscometer”).