Safety Message To Maintenance Personnel - Federal Signal Corporation 191X Mode D'emploi

D. Electrical Connections.
To avoid electrical shock hazards, do not connect wires when power is applied.
1. To remove the globe assembly, grasp the metal ring attached to the globe and turn
it counterclockwise.
To maintain effectiveness of explosion-proof enclosure, do not damage globe or threads while
disassembling or reassembling unit. Lubricated threaded joints exposed for long periods of time may
attract small particles of dirt or other foreign materials. Body and cover joints should be
2. Remove the two screws which secure the insulator and lamp socket to the housing.
3. Pull the supply wires into the housing. Connect the supply wires to the terminals on the
lamp socket. If required, the green screw in the housing is provided for connection to an
earth ground.
4. Secure the insulator and lamp socket to the housing.
5. Install the appropriate lamp in the socket.
6. Replace the globe assembly. Ensure that the globe assembly is seated securely against
the gasket.
7. Test the light for proper operation.
III. MAINTENANCE.
To prevent ignition of hazardous atmospheres, disconnect the fixture from the supply circuit

SAFETY MESSAGE TO MAINTENANCE PERSONNEL

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 the power turned off.
• Any maintenance to the light system must be performed by a trained electrician in accordance with NEC
or CEC 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 if exterior of housings used in hazardous locations are painted.
• Broken globes can lead to explosions which could result in serious injury or death. If the globe is
damaged in any way, the complete globe assembly MUST be replaced.
• The only electrical component to be replaced by the customer is the lamp.
A. Lamp Replacement.
To avoid electrical shock hazards, do not replace the lamp when power is applied.
1. To remove the globe assembly, grasp the metal ring attached to the globe and turn it
counterclockwise. If the globe assembly will not unscrew, place a screwdriver blade against
one of the four bosses on the metal ring attached to the globe. Gently tap the screwdriver
handle to loosen the globe assembly from the base casting.
To maintain effectiveness of explosion-proof enclosure, do not damage globe or threads while
disassembling or reassembling unit. Lubricated threaded joints exposed for long periods of time may
attract small particles of dirt or other foreign materials. Body and cover joints should be
reassembled immediately, with all threads fully engaged.
before opening. Keep tightly closed when in operation.
reassembled immediately, with all threads fully engaged.
WARNING
WARNING
WARNING
WARNING
WARNING
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