Yokogawa pH/ORP Retractable PH97 - Manual (Page 10)

10
IM M1263JL-A
Sensor Assembly In-Service Instructions-/B Ball Valve Option
8
Sensor Assembly In-Service Instructions—/B Option
REFER TO PAGES 15 AND 16 OF THE
SENSOR ASSEMBLY AND ITEMIZED PART
LIST FOR ALL THESE COMPONENTS.
[Step A]. TO PLACE ASSEMBLY
INTO SERVICE OPEN BALL
VALVE COMPLETELY.
Caution: OPENING VALVE
SUBJECTS SENSOR ASSEMBLY
TO LINE PRESSURE. IF THE
SENSOR IS NOT RETRACTED
COMPLETLY AGAINST STOP,
OPENING THE VALVE COULD
RESULT IN THE SENSOR
SUDDENLY RETRACTING THE
REMAINING DISTANCE
CAUSING DAMAGE TO THE
SENSOR ASSEMBLY OR INJURY
TO THE SERVICE PERSON.
Model PH87 Retraction Sensor Assembly
PLEASE NOTE
REFER TO PAGES 16 AND 17 OF THE
SENSOR ASSEMBLY AND ITEMIzED
PART LIST FOR ALL THESE
COMPONENTS
[STEP A]. TO PLACE ASSEMBLY
INTO SERVICE OPEN BALL
VALVE COMPLETELY.
CAUTION: OPENING VALVE
SUBJECTS SENSOR ASSEMBLY
TO LINE PRESSURE. IF THE
SENSOR IS NOT RETRACTED
COMPLETLY AGAINST STOP,
OPENING THE VALVE COULD
RESULT IN THE SENSOR
SUDDENLY RETRACTING THE
REMAINING DISTANCE
CAUSING DAMAGE TO THE
SENSOR ASSEMBLY OR INJURY
TO THE SERVICE PERSON.
[STEP B]. INSERT STAGE #1
SUBASSEMBLY INTO PROCESS.
[STEP C]. SECURE SENSOR IN
PLACE BY TIGHTENING
LOCkING NUT AND
FERRULES OF GLAND FITTING,
ITEM NO.3.
DO NOT INSErT TIP OF
SENSOr BEyOND INSIDE
wALL OF PrOCESS PIPE
TO AVOID TOrQuE AND
POSSIBLE BrEAKAGE.
THE IN-SERVICE ASSEMBLY SHOULD
APPEAR AS SHOWN BELOW. THE FINAL ASSEMBLY IS NOW
READY TO BE PLACED INTO
SERVICE, WITH PACkING GLAND
LOCkING NUT ENGAGED BUT NOT
TIGHTENED AND SENSOR IN THE
RETRACTED POSITION.