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II. MAINTENANCE.
SAFETY MESSAGE TO OPERATORS
Listed below are some important safety instructions and precautions you should follow:
• Read and understand all instructions before operating this system.
• Any maintenance to the light system must be done with power turned off.
• Any maintenance to the light system must be performed by a trained electrician in accordance
with NEC Guidelines and local codes.
• Never alter the unit in any manner. Safety in hazardous locations may be endangered if additional
openings or other alterations are made in units specifically designed for use in these locations.
• The nameplate, which may contain cautionary or other information of importance to maintenance
personnel, should NOT be obscured in any way. Ensure that the nameplate remains readable when
the housing’s exterior is painted.
Failure to follow these safety precautions may result in property damage, serious injury, or death
to you or others.
A. Re-lamping.
To change the lamp, proceed as follows:
1. Remove the screw located at the bottom of the dome.
2. Grasp the top of the dome and push down while turning the dome counter-clockwise ap-
proximately 3/4-inch.
3. Gently lift dome away. Ensure that the gasket between the dome and base is not lost.
4. Replace lamp with Federal Signal lamp, Part Number K149123A.
5. Before replacing dome, ensure that the gasket is properly seated. Place the dome over the
base, aligning the recesses inside the dome lip with the four pins on the base. Push down on
the dome and turn clockwise until it locks in place (approximately 3/4-inch).
6. Replace the screw into the bottom of the dome.
B. Cleaning Reflector.
Remove and replace dome in accordance with instructions in paragraph II.A. To clean reflec-
tor, use a soft cloth and any liquid household cleaner. DO NOT USE abrasive cleaners.
C. Lubrication.
The Motor-Gear Reducer Assembly is a sealed unit. Therefore, no lubrication is required.
D. Replacement Parts.
Description
Part Number
Dome Assembly, Amber
K8444D219-03
Dome Assembly, Blue
K8444D219-01
Dome Assembly, Clear
K8444D219-04
Dome Assembly, Green
K8444D219-02
Dome Assembly, Red
K8444D219
Lamp
K149123A
Gasket
K8444286B
