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C.
Flash Tube Assembly Replacement.
High voltages are present inside the lightbar. Wait at least ten (10) minutes,
after shutting off power, before servicing this unit. Failure to do so may result
in property damage, serious injury, or death to you or others.
Disconnect ALL power to the lightbar before any maintenance is performed.
As strobe lights are used, flash tubes begin to darken, causing the light output to
decrease. Also, as flash tubes age, they may have a tendency to misfire (not fire periodically).
After extended operation, occasionally check for flash tube degradation. Should the tube
misfire, have a noticeable decrease in light output, glow continuously, or darken excessively, it
should be replaced.
Not replacing the reflector/flash tube assembly when any of the above conditions exist
could cause a break-down of other power supply components.
To replace a flash tube assembly, see figure 3 and proceed as follows:
1.
Remove the domes as described in paragraph II.A.
2.
Remove and retain the four Keps nuts which secure the Fresnel lens to the strobe
tube mounting bracket. Remove the fresnel lens.
3.
Remove the strobe tube form the bottom of the bracket and unplug the connectors
from the wiring harness.
4.
Install the new strobe tube by performing the previous steps in reverse order.
D.
Strobe Power Supply Fuse Replacement.
High voltages are present inside the lightbar. Wait at least ten (10) minutes,
after shutting off power, before servicing this unit. Failure to do so may result
in property damage, serious injury, or death to you or others.
Disconnect ALL power to the lightbar before any maintenance is performed.
1.
Remove the four #8 screws and lock washers which secure the power supply and
mirror bracket.
2.
Replace the fuse in the power supply with an exact replacement. The 5A fuse is
Federal Part No. 148A142-03.
3.
Re-install the power supply using the four #8 screws and lock washers.
WARNING
NOTE
WARNING
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