OPERATING & MAINTENANCE MANUAL MODEL : ELB series
YOUYANG AIRPORT LIGHTING EQUIPMENT INC. PAGE 18/34
3.5 ALIGNMENT OF THE LIGHT FIXTURE
This section contains how to do alignment for the light fixture with JIG and tool
after installation.
3.5.1 HOW TO USE ALIGNMENT TOOLS
3.5.1.1 LEVELING TOOL
Leveling tool is to make horizontal alignment of the light fixture after installation.
Remove the external lens (globe) from the light fixture and place the leveling tool
on it.
Check hydro-level in the vial of the leveling tool and align it to be horizontal with
reference to the below figures showing the hydro level.
Leveling tool has ±1° of tolerance and direction toward the bubble means it is
placed in higher position
Shape of leveling tool and status of level
Normal level Level higher in the left