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Figure 59
Section Valve Manifold
1. Valve stem seat
2. Valve stem assembly
3. Stem port
4. Stem retainer
5. Outlet fitting O-ring (0.737
inch / 0.103 inch)
6. Endcap fitting
3. Turn the valve stem so that the ball is in the open
position (A of
Figure
Note: The valve stem will be parallel with the valve
flow and the ball will slide out.
4. Remove the stem retainer from the slots in the stem
port in the manifold
5. Remove the stem retainer and valve stem seat from the
manifold
(Figure 58
6. Reach into the manifold body and remove the valve
stem assembly
(Figure 58
7. Clean the inside of the manifold and exterior of the
ball valve, valve stem assembly, stem capture, and end
fittings.
7. Endcap O-ring (0.796 inch
/ 0.139 inch)
8. Back seating O-ring (0.676
inch / 0.07 inch)
9. Ball seat
10. Mainfold body
11. Ball valve
12. Endcap fitting assembly
57).
(Figure 58
and
Figure
59).
and
Figure
59).
and
Figure
59).
Assembling the Manifold Valve
1. Check the condition of the outlet fitting O-rings
(section valve manifold only), endcap O-rings, back
seating O-rings, ball seat for damage or wear
and
Figure
59).
Note: Replace any damaged or worn O-rings or seats.
2. Apply grease to the valve stem and insert it into the
valve stem seat
(Figure 58
3. Install the valve stem and seat into the manifold and
secure the stem and seat with the stem retainer
58
and
Figure
59).
4. Ensure that the back seating O-ring and the ball seat
are aligned and seated into the endcap fitting
58
and
Figure
59)
5. Install the endcap fitting assembly onto the manifold
body until the flange of the endcap fitting touches the
manifold body
(Figure 58
endcap fitting an additional 1/8 to 1/4 turn; torque the
fitting to 225 to 282 N-cm (20 to 25 in-lbs).
Note: Use caution so as not to damage the end of
the fitting.
6. Insert the ball into the valve body
Note: The valve stem should fit inside the ball drive
slot. If the valve stem does not fit, adjust the position
of the ball
(Figure
7. Turn the valve stem assembly so that the valve is closed
(B of
Figure
57)
8. Repeat steps
4
and
assembly.
58
and
Figure
59).
and
Figure
59), then turn the
(Figure
60).
60).
Figure 60
5
for the other endcap fitting
(Figure 58
(Figure
(Figure
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