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Instruction Manual
D103211X012
Table 9. Actuator Groups by Type Number
71 & 90 mm (2‐13/16 and 3‐9/16 Inch) Yoke Boss
CAUTION
Failure to comply with good bonnet‐to‐body bolting practices and the torque values shown in tables 5, 6, and 7 may result
in damage to the valve. Cheater bars or slug wrenches should not be used for this procedure.
Hot torquing is not recommended on CL900, CL1500, and CL2500 valves. When operating temperature has been reached,
perform this torquing procedure once again on CL600 valves.
8. Lubricate the stud threads and the faces of the hex nuts (key 14) with anti‐seize lubricant (not necessary if new
factory prelubricated hex nuts are used). Install the hex nuts, but do not tighten them. Torque the nuts in a
crisscross pattern to no more than 1/4 of the nominal torque value specified in table 5, 6, or 7. When all nuts are
tightened to that torque value, increase the torque by 1/4 of the specified nominal torque and repeat the crisscross
pattern. Repeat this procedure until all nuts are tightened to the specified nominal value. Apply the final torque
value again and, if any nut still turns, tighten every nut again.
9. Install new packing and packing box parts per steps 15 and 16 of the Replacing Packing procedure. Be certain to
observe the note given prior to step 15 of that procedure.
10. Mount the actuator by following the procedures in the actuator instruction manual. Check for packing leakage as
the valve is being put into service. Retorque the packing flange nuts as required. See tables 3 and 4.
Parts Ordering
Each valve body‐bonnet assembly is assigned a serial number which can be found on the valve. This same number also
appears on the actuator nameplate when the valve is shipped from the factory as part of a control valve assembly.
Refer to the serial number when contacting your Emerson Process Management sales office for technical assistance.
When ordering replacement parts, reference the valve serial number to obtain the correct eleven‐character part
number for each part; the following Parts Kit and Parts List is for information only.
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Process Management should not,
under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the
performance of the valve, and could cause personal injury and property damage.
Note
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use, or
maintenance of any product. Responsibility for the selection, use, and maintenance of any product remains with the purchaser and
end user.
Group 1
585C
657 & 667
1008
NotchFlo DST Valve
Group 100
127 mm (5‐Inch) Yoke Boss
585C
657
Group 101
127 mm (5‐Inch) Yoke Boss
667
March 2011
15
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