Document UT-MT-0046_EN
Page 17 of 18
Edition 04/06/2020
Supersedes edition 11/03/2014
ELEVATED RUNWAY EDGE LIGHT FAU
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
4.5
REPLACEMENT OF THE CLEAR INNER LENS (ONE PIECE)
Remove the three stainless steel clips, which locks the outer lens, by unscrewing the
relevant screws; retain the hardware. Remove the outer lens and then the damaged
inner lens complete with upper block and gasket. Mount a new gasket on the new
inner lens in fixed position and then the above assembly on the lens plate in fixed
position; place the upper block on the top of the inner lens and reassembly by
reversing the above procedure. The arrows on the top of the inner lens must be
directed as the arrow of the outer lens.
IMPORTANT: IT IS SUGGESTED TO REPLACE THE INNER LENS GASKET TO NOT
AFFECT
WATERTIGHTNESS.
4.6
REPLACEMENT OF THE TWO COLOUR INNER LENS (TWO PIECES)
Remove the three stainless steel clips, which locks the outer lens, by unscrewing the
relevant screws; retain the hardware. Remove the outer lens and then the inner lens
(in two pieces) complete with upper block and gasket. Recover the eventual half-lens
not damaged and the two silicone small spacers placed between the two half-lenses.
Replace the damaged half-lens with a new one of the same colour and top mark.
NOTE
Each half-lens is top marked with the letter R (right beam) or the letter L (left beam)
to provide the proper aiming of the beam in the horizontal plane as shown in Fig. 3.
Between the two half-lenses place in low position the two silicone small spacers and
in up position the silicone securing block. To fix spacers and block use Loctite 601.
Mount a new gasket on the above assembly in fixed position and then the above
assembly on the lens plate in fixed position; reassembly by reversing the above
procedure. The arrows on the top of the two inner half-lenses must be directed as
the arrow of the outer lens
IMPORTANT: IT IS SUGGESTED TO REPLACE THE INNER LENS GASKET TO NOT
AFFECT
WATERTIGHTNESS.
4.7
REPLACEMENT OF THE COLUMN
Open the light, by releasing the clamping spring, and remove the grounding
connection, by unscrewing the grounding bolt; retain the hardware.
Cut the wire to remove the eyelet terminal.
Remove the cable leads with plug from the clamping seat and disconnect the faston
connections between the light cable leads and the lamp cable leads.