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Duplex Gauge

Posted by tracksionmotor on Sun Apr 23 22:27:02 2006, in response to Re: SMEE, posted by Jeff H. on Sun Apr 23 02:20:25 2006.

You are correct Jeff. I sat up too late. It has been a while since I've done air brake inspections. While I could not find the details of speciffic pressure values, an old R33 inspection form indicates SAP full service at 80 psi, full release at 0 psi and snow brake at 8 psi. On the M7, brake pipe is max 150 psi and BIE is about 52 psi. There has been some confusion because a batch of M7s have the duplex gauge hooked up sdrawkcab. I learn from things like this because it forces me to review and relearn. You cannot do stuff like 3-A Backfeed test, cross over test, T/O Ind press. test and 5 wire test because trainset does not work that way. Thanks. I humbly stand corrected.

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