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Proportional
Solenoid
Valve
Figure 7-5.
Model 3050-AMS proportional
solenoid valves.
Proportional Solenoid Valves
Removing the solenoid valve
1.
Remove the top cover from the analyzer.
2.
Remove the cover for the oven assembly.
3.
Disconnect all of the 1/16" fittings from the sample system connections
bracket.
4.
Remove the four nuts that secure the sample manifold plate (the
square aluminum mounting plate, located in the front section of the
oven), and gently lift the manifold out of the oven (Figure 7-5).
All of the wiring connections should still be intact at this time; you
will need to rest the sample manifold plate on top of the analyzer to
perform the valve replacement.
NOTE
5.
Disconnect the 1/16 inch fittings on the inlet and outlet located on ei-
ther side of the solenoid valve by loosening the nut and gently pulling
the tube out. (Figure 7-5).
6.
Remove the adaptor fittings from either side of the solenoid and put
aside.
7.
Using a flat-head screwdriver, remove the screws that hold the valve
body to the sample manifold plate; set the screws aside.
Adapter
Fitting
Manifold
Sensor
SCALE
1:1
Proportional
Solenoid
Valve
Adapter
Fitting
|
Service & Parts
7-5
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