ADB Safegate RELIANCE Omni 1-Dome, User Manual

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6.4.2 Lifting Optical Unit From Base
To lift the optical unit from the light base, perform the following procedure:
1. Remove both fixing screws and washers or self locking nuts.
2. Fit the appropriate lifting tool into both holes located (180° apart) in the cover, lift the optical unit out of the base and
place the optical unit next to the base.
3. Disconnect the light fixture wires from the power wires coming from the transformer.
4. Mount a serviced or new light fixture.
CAUTION
Never hold the light fixture by the wires. This may damage the insulation, break the waterproof seal, and cause
insulation faults and water leakage.
Failure to follow this instruction can result in equipment damage.
5. Take the inset fixture unit back to the maintenance shop where it can be serviced entirely.
6.4.3 Disassembling the Light Fixture
To open the optical assembly, perform the following procedure:
1. Turn the light unit upside-down.
2. See
Figure 7 .
Remove the pressure release screw (2). This relieves any built-up internal pressure and makes it easier to remove the inner
cover.
Figure 7: Removing Pressure Release Screw
A
B
A = Inner Cover Assembly
B = Pressure Release Screw
3. Remove the four torx head screws that fasten the inner cover to the top cover.
The use of an impact driver may be required to unlock the screws.
4. Carefully lift off the inner pan from the cover, taking care not to damage the wire connection between the main PCB and
the LED assembly.
UM-5073, Rev. 1.0, 2021/07/13 23
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