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Author Topic: Understanding the DD-3 brake inversion valve  (Read 669 times)
Paul
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Will it ever be done?


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« on: March 10, 2015, 04:11:30 AM »



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http://www.mcicoach.com/fyiFromMci/maintMatters/0315.htm
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Paul
http://www.incredibus.com
1988 MCI 102A3 /8V92 /740 /10" Roof Raise
bevans6
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1980 MCI MC-5C




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« Reply #1 on: March 10, 2015, 07:13:05 AM »

I would like to find out when MCI went to a secondary air tank for the front brakes on DD-3 equipped buses, and had the second inversion valve.  Certainly my 1980 did not have it, and I think they went to spring brakes around 1990 or so.  Be good to understand that change period.

Brian
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1980 MCI MC-5C, 8V-71T from a M-110 self propelled howitzer
Spicer 8844 4 speed Zen meditation device
Tatamagouche, Nova Scotia
luvrbus
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« Reply #2 on: March 10, 2015, 07:39:33 AM »

The 1995 MCI still had DD-3 I am going to change to spring later this year
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Life is short drink the good wine first
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