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Typical A5 Failure. The K5 relay should be ok, but TEST, TEST, TEST! And as you see, the R3 & R6 have been hot. Typical. They need to be tested also.
I kept 2-3 of the A5 Cards in my desk, or in the jump box. The beauty of the A5 card was it fit all gen sets from 15 KW to 100 KW.
I also kept an A11 in my "stuff" as well as a A27, (Special Relay box). Not because they were super high failure items. In the A27, the only parts that EVER failed were the A5 and K3 start relay. But because when you are running an Air Defense system, time can mean the difference between shooting down aircraft and getting overrun by aircraft. Not healthy. So we just switched out the bad box, and repaired it when we had some time. We rarely even put in more that two mounting bolts, if even that.
I kept 2-3 of the A5 Cards in my desk, or in the jump box. The beauty of the A5 card was it fit all gen sets from 15 KW to 100 KW.
I also kept an A11 in my "stuff" as well as a A27, (Special Relay box). Not because they were super high failure items. In the A27, the only parts that EVER failed were the A5 and K3 start relay. But because when you are running an Air Defense system, time can mean the difference between shooting down aircraft and getting overrun by aircraft. Not healthy. So we just switched out the bad box, and repaired it when we had some time. We rarely even put in more that two mounting bolts, if even that.