Yokogawa pH/ORP Retractable PH97 - Manual (Page 9)

9
IM M1263JL-A
Sensor Assembly Installation Instructions-/B Ball Valve (Continued)
COmPLETE /B BALL VALVE OPTION ASSEmBLy OF ThE mODEL Ph87 By FOLLOwING ThE STEP-By-STEP
INSTruCTIONS [E] AND [F] IN OrDEr AS ShOwN BELOw:
Model PH87 Retraction Sensor Assembly
7
(Continued)
Sensor Assembly Installation Instructions—/B Option
8 /B OPTION
THE ASSEMBLY OF THE PH87
SENSOR IS NOW COMPLETE
AND SHOULD APPEAR AS
SHOWN. DO NOT TIGHTEN
PACKING GLAND LOCKING
NUT OR OPEN BALL VALVE
UNTIL SENSOR ASSEMBLY
IS READY TO GO ON-STREAM.
[STEP E]. APPLY TEFLON TAPE TO
PIPE THREADS OF PACkING GLAND
FITTING AND SLIDE FITTING TO
SENSOR END OF SHEATH. INSTALL
STAGE #1 SUBASSEMBLY INTO VALVE
TAkING CARE NOT TO FORCE THE
SENSOR INTO THE BALL PORTION OF
THE VALVE TO PREVENT BREAkAGE
OF THE GLASS BULB.
[STEP F]. SECURELY TIGHTEN
PACkING GLAND FITTING INTO
VALVE ASSEMBLY TO PROVIDE A
PROPER SEAL.
THE ASSEMBLY OF THE PH87
SENSOR IS NOW COMPLETE
AND SHOULD APPEAR AS
SHOWN. DO NOT TIGHTEN
PACkING GLAND LOCkING
NUT OR OPEN BALL VALVE
UNTIL SENSOR ASSEMBLY
IS READY TO GO ON-STREAM.