Document No. 129-097
Installation Instructions
June 10, 2020
Page 2 of 6
Siemens Industry, Inc.
2.
Remove the brass valve from the cylinder by
unscrewing from the cylinder neck. Remove the
valve and the siphon tube assembly and set
aside.
CAUTION:
Do NOT use a pipe wrench as this will
scratch the valve. Use a strap wrench or
attach a piece of pipe to the outlet for
leverage.
Figure 4.
3.
Remove the siphon tube assembly from the
valve.
Figure 5.
4.
Place the valve assembly into a bench-mounted
vice with rubber inserts or heavy canvas over
the teeth of the vise.
(Do not scratch the valve
surface.)
5.
Remove the top plug adapter using a spanner
wrench.
Figure 6.
NOTE:
1. The top plug adapter unscrews with
a right-hand thread.
2. There is a spring under the top plug
adapter that will push up the top
plug once the threads are
disengaged.
Figure 7.
•
Remove the O-ring from the top plug
adapter.
Figure 8.
6. Remove the piston from the inside of the valve
body.
Figure 9.
•
Clean the interior surface of the valve body
utilizing a product like WD-40, removing all
of the residual O-ring lube.