OCEM LHI, Инструкция по использованию, установке и обслуживанию

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Edition 15/01/2020 Supersedes edition 08/01/2019
LED INSET HELIPORT LIGHT LHI
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
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the two special seal lock washers;
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O-Ring around the dome (Figure 20 – n°3);
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Gasket between fixture and 8” shallow base ( Figure 20 – n°4);
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O-Ri ng between fixture and 12” shallow base ( Figure 20 – n°7);
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The fixture is ready to be field installed.
1. Dome
2. O-Ring between
dome and lower
cover
3. O-Ring around the
dome
4. O-Ring between
fixture and shallow
base
5. Lower Cover
6. 12” Shallow base
7. O-Ring between
fixture and 12”
Shallow base
Figure 20 – Fixture Gaskets
4.2 LENS CLEANING
4.2.1 Lens outside cleaning
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Removing the fixture is not necessary to clean the outer surface of the lens, and if already
removed is not necessary to open it. Clean the lens surface with non abrasive glass
product.
4.2.2 Lens inside cleaning
Normally the cleaning of the lens inside surfaces is not necessary because fixture is
watertight. Whenever it is necessary, remember the following rules.
Remove the fixture from the base and open it following instructions of “Removing
and Openin g the Light Unit From the Base” and proceed as follows:
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turn the aluminium ring upside down as shown in Figure 21 and polish the lens (Figure 21
- n° 1) with non abrasive glass product
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dry them carefully
Close the light fixture following instructions of paragraph “Closing the Fixture”,
“Leakage Test” and “Reinstalling the fixture” .