3
4. Strip a maximum of .28” (7 mm) of wire insulation from the ends of the power leads. Connect wires to
terminal block by inserting the stripped ends of the wire into the connector as far as they can travel and
tightening the clamping screw (max. tightening torque = 7.0 in-lbs {.8 N-m}).
NOTE
For DC models, polarity must be observed for proper operation. Connect the positive power supply
lead to the (+) terminal and the negative power supply lead to the (-) terminal.
5. Connect earth ground to terminal block and green ground screw located in housing.
6. Re-assemble the light and test for proper operation.
II. MAINTENANCE.
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/CEC Guidelines and local codes.
•
Never alter the unit in any manner. Safety may be endangered if additional openings or other alterations
are made to units.
•
The nameplate, which contains cautionary or other information of importance to maintenance
personnel, should not be obscured.
•
If the dome is damaged in any way, the complete dome assembly MUST be replaced.
•
After performing any maintenance, test the light system to ensure that it is operating properly.
A. FLASHTUBE REPLACEMENT
(see figure 3).
After extended operation, occasionally check for flash tube degradation. Should the flash tube misfire,
have a noticeable decrease in light output, glow continuously or darken- replacement is necessary.
WARNING
HIGH VOLTAGES ARE PRESENT INSIDE THE LIGHT ASSEMBLY. WAIT AT LEAST 5 MINUTES AFTER
SHUTTING OFF POWER BEFORE SERVICING THIS UNIT.
To replace strobe tube, proceed as follows:
1. Remove the dome assembly by grasping the die-cast ring attached to the dome and turning it
counter-clockwise. If difficulty occurs removing the dome assembly, place a screwdriver blade against
one of the four bosses on the die-cast ring attached to the dome. Gently tap the screwdriver handle
to loosen the dome assembly from the housing.
WARNING
To maintain the watertight enclosure, do not damage dome or threads while disassembling or
reassembling the unit. Lubricated threaded joints exposed for long periods of time may attract small
particles of dirt or other foreign materials. Re-assemble joint immediately after performing maintenance.
2. Remove the two #8 screws retaining the fresnel lens to it’s mounting base and lift the lens off the
metal spinning.
Summary of Contents for 371DST
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