Yokogawa pH/ORP Retractable PH97 - Manual (Page 12)

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IM M1263JL-A
Sensor Service Instructions (Continued)
BEFOrE SErVICING rEmOVE ThE mODEL Ph97 SENSOr FrOm SErVICE FOLLOwING ThE STEP-By-STEP
INSTruCTIONS [C] AND [D] IN OrDEr AS ShOwN BELOw:
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Sensor Service Instructions
9
(Continued)
Model PH87 Retraction Sensor Assembly
[STEP C]. CLOSE BALL VALVE
COMPLETELY. [STEP D]. COMPLETELY UNTHREAD
GLAND FITTING, ITEM NO.4, FROM
VALVE ASSEMBLY