Document UT-MT-0428
Page 28 of 35
Edition 11/03/2014
Supersedes edition 04/30/2012
INSET RUNWAY EDGE LIGHT SLRE
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
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:
remove the filter assembly (Figure 19 - n°2) unscrewing the relevant screws HSCH M5x10
(Figure 19 - n°3)
clean the prisms surfaces (Figure - n°1) with non abrasive glass product
dry them carefully
reassembly the light unit following instructions of paragraph
“Closing the Fixture”,
“Leakage Test”
and
“Reinstalling the fixture”
.
Figure 19 - Prism Cleaning
4.4
PRISM REPLACEMENT
If the prism is damaged it must be replaced as described below.
It is highly recommended to do a complete overhaul of the fixture. Contact OCEM -
ENERGY TECHNOLOGY for any suggestion.
