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Y1-03-0146E 8
pressing the trap door down to turn the TS-23 "ON", or by removing the
flashguard shield and inserting it into the tester. This is accomplished
by separating the main body of the light from its flashguard shield. This
separation is performed by holding the main body of the light with one
hand while grasping the flashguard shield with the other and pulling in
opposite directions.
After separation, insert the top of the light into the trap door on the top of
the TS-23/A, insuring that the xenon lamp is fully inserted into the tester.
Turn the light switch ON and note the numerical reading recorded on the
digital readout of the tester.
An acceptable reading between 100-150 is required and equates to a
flash rate of 50 ± 10 flashes per minute. If a reading of less than 100 is
noted, replace both batteries and, if necessary, clean the battery
contacts in the light, then repeat the test. Should any light continue to
fail this test, discard the light in accordance with local procedures.
Upon completion of this test, the reassemble the light by inserting the
top of the light (lamp) into the bottom of the flashguard and pushing
upward until it stops.
NOTE: Standard ambient temperature for performing flash rate test is
70° Fahrenheit. A lower temperature may result in somewhat lower
flash rates.
c. BA-3058/U battery ("AA" Alkaline) or equivalent
Currently only a commercial test fixture exists to test the BA-3058 Radio
Shack part number 910-2135 Type 22-096 or equivalent. Therefore,
batteries surpassing their lifecycle/manufacturing duration's or batteries
that are found to be defective will be discarded in accordance with local
disposition instructions/guidelines.
2. Test Equipment and Tools
No special test equipment other than the TS-23/A Strobe Light Tester is
required to test the MS-2000(M) strobe light. If this tester is not
available or functionally inoperative, flash rate testing can be
accomplished MANUALLY in accordance with procedures outlined in
paragraph 2a except limit the test to two (2) minutes, counting the rate
in the last minute. Test equipment for the BA-3058/U battery is
commercially available.
3. Maintenance Requirements
Since all electronic circuitry of the MS-2000(M) strobe is enclosed
within its main body case assembly and cannot be disassembled
without destroying its integrity, preventive maintenance requirements
are limited to initial and periodic flash rate testing and visual inspections.