Caution – Yokogawa Integral Oxygen Analyzer ZR202 User Manual
Page 15

<2. Instruction for Replacement of the Heater Unit>
2-6
IM 11M12A01-21E
2.2 Instruction for Replacement of Model ZR202A
Heater Unit
CAUTION
• Allow adequate time for the sensor (cell) and heater assembly to cool before replacing them, or
you may get burnt.
• When removing the cell, the metal O-ring should be replaced with a new one. Never reuse a
metal O-ring. Once-used metal O-ring should be replaced with a new one.
• The grease used for rubber O-rings lubricant see
⑭ , ㉑ , ㉑ etc. in Figure 2.5 makes poisonous
gas when heated to more than 250ºC. Wash your hands thoroughly after work! Especially be
careful if you smoke.
This manual is related to the following products: