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REPLACEMENT AND CLEANING OF PHOTOMETRIC COMPONENTS
17 - 2
ETC00303(1) BINOS E e (2.0) 02/2007
Rosemount Analytical
17.2 Light Source Replacement (IR)
Open the housing (cf. Section 15).
Remove the photometer assembly out of analyzer housing (see Section 17.1).
Remove the two light source hexagonal mounting screws (shown in Fig. 17-2 as Item 1).
Remove the light source together with its mounting flange.
Remove the mounting flange from the light source and position it on the new light source.
Insert the new light source and flange in the same position as the old one.
Insert and tighten the two light source hexagonal mounting screws (Fig. 17-2).
Then:
Replace the photometer assembly (see Section 17.4).
Perform the physical zeroing procedure (see Section 17.5).
LIGHT SOURCE REPLACEMENT
Fig. 17-2: Chopper Housing with IR light sources
1 Light source hexagonal mounting screw
2 Light source with mounting flange
3 Temperature sensor (older versions)
4 Chopper Housing
4
3
2
1
1
2