April 2022
Installation, Operation and Maintenance Manual
E-90090007 Rev. 0
10
Section 5: Preparation
Preparation
1.
Drive the valve stem fully into the valve body, ensuring that it is fully retracted
(consult valve manufacturer for procedure if required). If equipped, remove
valve lever, handwheel, gear and/or jam nut/stop nut per valve manufacturer
instructions. Use a soft mallet if striking the valve stem’s threaded end to retract
valve stem fully. Mark on the valve stem where it and the top of the valve flange
align. This is “
MARK #1
”.
Using the Vernier/measurement ruler, measure from the top of the valve flange to
the end of the valve stem. Record this value as “
A
”.
A
= ___________
2.
Actuate the operator to fully extend the drive rod (1). Mark on the swivel
connector (80) the distance “A” up from the bottom of the adapter plate. This is
“
MARK #2
”.
Using the Vernier/measurement ruler, measure from the mark to the bottom of
the stem nut. Record this value as “
B
”.
B
= ___________
Also measure from the top of the body of the swivel connector (80) to the bottom
of the cylinder plate (4) in pedestal assembly (140). Record this value as “
X
”.
X
= ___________
3.
Pull the valve stem fully out of the valve body, ensuring that it is fully extended.
Mark on the valve stem a distance “B” down from the top of the valve stem. This is
“
MARK #3
”.
Measure from the top of the valve flange to the top of the valve stem using the
Vernier/measurement ruler. Record this value as “
Y
”.
Y
= ___________
