Installation and Maintenance Instructions
7. Before replacing dome, ensure that the gasket is properly
seated on the housing base.
8. Place the dome over the base while aligning the recesses
inside the dome lip with the four pins on the base. Push down
on the dome and turn it clockwise until it locks in place
(approximately 3/4-inch).
9. Replace the screw in the bottom of the dome.
10. Test the light for proper operation.
6.26 " /
159 mm
SCREW
IN BASE
Cleaning the Reflector
To clean the reflector:
1. Disconnect power and allow the lamp to cool.
Models 121A and 121S Vitalite
10
Figure 1 Cross section of lamp
1/2 " NPT
PIPE MOUNT
5.13 " /130 mm
POLYCARBONATE
DOME
INCANDESCENT
LAMP
Rotating Light
®
290A7381