Teledyne UA-6, Инструкция по установке и эксплуатации

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UA-6 Detector
Section 5 Maintenance and Adjustment
5-11
5.6 Type 11 Optical Unit
Maintenance
The following sections present the maintenance procedures that
may be required in the field. These maintenance procedures are
limited to replacement of specific parts and troubleshooting
w i t h ou t t h e r e q u i r e m e n t o f a se r v i c e p e r s o n o r sp ec i a l
equipment.
5.6.1 Type 11 UV Lamp
Replacement
Replace the optical unit UV lamp using the following procedure
(Figure 5-4):
WARNING
Do not expose the naked eye to the UV light inside the
optical unit. Common, clear eye glasses will provide
adequate protection, providing the UV light cannot reach
the eye tissue without passing through the glass lenses.
UV light can damage the eye tissue, even from side-angle
exposure without looking directly at the source.
WARNING
The lamp contains a minute quantity of mercury, which is
a hazardous substance. Dispose of properly in accordance
with local and federal statutes. A broken lamp should also
be cleared from the area in accordance with local and
federal statutes.
La lampe dans la cassette contient une très petite quantité
de mercure ou de cadmium ( selon le type de lampe), ces
substances sont considérées comme toxiques.Veuillez
vous conformer à la législation en vigueur en particulier en
cas de destruction de la lampe pour le nettoyage éventuel
des zones souillées et la récupération éventuelle de la
lampe ou de ses débris.
1. Position the optical unit so that the plastic draw catches
are nearest you, then release the two plastic draw catches
and open the optical unit to the fullest extent.
2. Remove the source screen.
3. Remove the four screws securing the center top plate
sub-assembly to the center bottom plate sub-assembly and
hinge end plate.
4. Grasp the center top plate sub-assembly and gently pull
toward you, lifting the leading edge at the same time.
CAUTION
Do not touch inside surfaces of reflectors with fingers as oil
deposits from the skin will be baked on the special UV reflect-
ing surface, resulting in permanent damage and attenuation of
the UV light. Check the inside surfaces of the reflectors. If the
surfaces are dirty they should be replaced.
5. Remove the defective UV lamp.