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| Re: Photos: BMT ''C'' Types (883157) | |||
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Re: Photos: BMT ''C'' Types |
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Posted by randyo on Thu Jan 7 13:45:54 2010, in response to Re: Photos: BMT ''C'' Types, posted by SelkirkTMO on Thu Jan 7 03:31:32 2010. If the brake positions are off, the in all likelihood, the brake valve is probably an ME-30. The 5600 series Lo-Vs and Steinways as well as the 4200 and 4500 series Steinways which were converted from Hi-V trailers had Me-30s due to a shortage of ME-23s at the time the IRT purchased the parts. The only difference between an ME-23 and an ME-30 is that the ME-30 had an additional contact (not connected on the Lo-Vs) in the electric portion that allowed for the brake pipe to be electro pneumatically charged instead of just pneumatically charged as is the case with the ME-23. SIRT cars also had Me-30s. There was a slight difference in the mounting bolt of the ME-30 which accounted for the slight difference in the position locations of the two types of brake valves and which would occasionally cause a train to go BIE since the emergency finger on the ME-30 brake valve would make contact if the M/M brought the brake valve back to what would be the service position on an ME-23. |
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