Figure 4-34 M11 - 4 Exploded View Of Model 11 Valve Body - Siemens Maxum II PD PA AP Service Manual

Valves
4.6 Model 11 Valve
4. If the valve is a sample valve flush the sample lines through the valve with an inert gas such
as the carrier gas to remove any residual sample that may pose a danger do the user.
5. Turn off the oven heater by disabling the controller in the application or by turning off the
oven air.
6. The parts in the oven and oven door can be very hot. Allow the oven to cool and wear
gloves if needed.
7. Optional Step: If the user would prefer to remove the valve from the oven to perform this
work then all tubing connections should be marked and verified using custom
documentation sheet 8.1. This procedure can be done with the valve in the analyzer oven
to save down time and reduce potential problems from removing and replacing the valve.
8. Disconnect the Model 11 valve from the column and air lines and remove the valve from
the analyzer.
To Valve
Cap
Figure 4-34 M11 - 4 Exploded View of Model 11 Valve Body
92
11
10
9
8
25
16
15
14
13
12
22
23
24
20
19
18
17
8. Valve Body
9. O-Ring
10. Spring
11. Air Loaded Piston
12. O-Ring
13. O-Ring
14. Spring Loaded Piston
15. Compensation Plate
16. Compression Spring
17. Compression Plate
18. Retaining Base
19. Retaining Ring Clip
20. Ball 5/32"
21. Set Screw
22. O-Rings (3 total)
23. Air Signal Manifold
24. Screw 3/8"
25. Screw 1/2"
Maxum II Valves and Oven Components
Service Manual, 10/2018, A5E42019844001
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