Cleaning The Enclosure - Federal Signal Electraflash 141ST-120 Instrucciones De Instalación Y Mantenimiento

c.
See Figure 2. Remove the two outer dome screws in the base
assembly and remove the dome.
d. Disconnect power from the board connector.
e.
Remove the two mounting screws positioned at the outer
corners of the circuit board.
f.
Remove the circuit board.
2. Install the new circuit board:
CIRCUIT BOARD DAMAGE: Do not overtighten the mounting
screws. Damage to the printed circuit board will result.
a. Place the new circuit board on top of the posts, and reinstall
the mounting screws.
b. Connect the AC power leads to the 120 Vac or 240 Vac
terminals of the two-position connector by inserting the
stripped wire ends into the connector as far as they can travel.
c.
Make sure the insulation of the supply lead is flush with the
connector. If stranded wire is used, be sure that there are no
loose strands outside the connector plug that could touch the
adjacent lead and cause a short circuit.
d. Tighten the terminal screws to secure the wires in the
connector.
e.
Place the outer dome back into position, and reinstall the
two outer dome screws.
f. Apply power and verify that the light operates properly.

Cleaning the Enclosure

The enclosure should be cleaned periodically to maintain maximum
light output. Use only mild, non-abrasive cleaning agents. The dome
should be regularly inspected for scratches and chips, and if damaged,
it should be replaced.
Electraflash
Installation and Maintenance Instructions
Models 141ST-120 and 141ST-240
®
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