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#8
November 21st 05, 08:50 PM
posted to rec.radio.amateur.boatanchors
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Replacing pilot lights in Drake L-4B
John, N9JG wrote:
I am planning to order meter illumination pilot lights for my Drake L-4B from Play Things Of Past http://www.oldradioparts.com/. The pilot lights are type 1850, 5V @90 ma, bayonet. I would like to know how easy/difficult it is to replace these bulbs. I am hoping that all I need to do is to remove the amplifier top cover. The instruction manual does not mention replacement of these pilot lights. Maybe they did not anticipate that the amplifier would still be in use after 30 years. John, N9JG (remove ".XremoveY" from above address) I replaced the ones in my L-7 with common type 47's. The 6.3 volt bulbs give adequate illumination and should last forever on 5 volts. The 5 volt bulbs are kind of rare. On the L-7 all you have to do is remove the cover. The bulbs are in sockets right at the meters. I presune the L-4 is the same. 73, Roger -- Remove tilde (~) to reply Remember the USS Liberty (AGTR-5) http://ussliberty.org/ |
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