Document UT-MT-0779_EN
Page 26 of 37
Edition 23/04/2019
Supersedes edition 06/03/2019
LED INSET RUNWAY EDGE LIGHT LIRE
INSTRUCTION MANUAL FOR USE, INSTALLATION AND MAINTENANCE
4.2.3
Closing the fixture
Every time the fixture is opened replace the following items with a new ones:
six locking screws flat CSS TORX M5x10 (Figure 16 - n°1);
O-Rings between dome and lower cover (Figure 18 – n°2 and 3);
Verify the correct position of the two O-Ring between dome and lower cover (Figure
18 – n°2 and 3); mount the lower cover on the dome and fasten it by means the six
screws flat CSS TORX M5x10 (Figure 16 - n°1). One drop of anaerobic adhesive lower
type (e.g. LOXEAL 24-18) should be applied to the screws before installation;
tightening torque is 2.5 Nm.
Figure 16 - Lower Cover Fixing Screws
4.2.4
Leakage test
The assembly should be given a 1.38 kPa air pressure test. This can be done by
connecting an external air pressure line to the valve (Figure 17– n°2) provided on the
lower cover. Immerge the assembly under water, so air loss will be easily viewed if
some part is damaged or assembling is wrong.
If there is no air loss then test is passed successfully.
Light unit is ready to be field installed.
