OCEM LIRE Series, Инструкция по использованию, установке и обслуживанию

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Document UT-MT-0779_EN Page 27 of 37
Edition 23/04/2019 Supersedes edition 06/03/2019
LED INSET RUNWAY EDGE LIGHT LIRE
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
Figure 17 - Lower Cover with Pressure Valve
4.2.5 Reinstalling the fixture
Every time the fixture is removed from the base replace the following items with a
new ones making sure that are right placed in the relevant groove:

the six special seal lock washers;

O-Ring around the dome (Figure 18 – n°4);

O-Ring between fixture and shallow base (Figure 18 – n°7);

The fixture is ready to be field installed.
1. Dome
2. O-Ring between
dome and lower
cover
3. O-Ring between
dome and lower
cover
4. O-Ring around the
dome
5. Lower Cover
6. 12” Shallow base
7. O-Ring between
fixture and 12”
Shallow base
Figure 18 – Fixture Gaskets
4.3 PRIMS CLEANING
4.3.1 Prism outside cleaning

Removing the fixture is not necessary to clean the outer surface of the prisms, and if
already removed is not necessary to open it. Clean the prisms surface with non abrasive
glass product.
4.3.2 Prism inside cleaning
Normally the cleaning of the prism 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 Opening the Light Unit From the Base” and proceed as follows:

clean the prisms surfaces (Figure 19) with non abrasive glass product

dry them carefully