Did the E5's and E6's also have a problem with overheating? They had the same
prime mover as the E7's and it looks like they had the same filtered opening
arrangement.
sjl
Ed DeRouin <Ed@pixelspublishing.com> wrote:
The air inlet immediately to the rear of the cab door was for engine
room air and not engine cooling. The engine cooling air was
introduced via the three, four after modification, filtered openings
along the car body t the roof line. While I have no documentation to
state any position, I note that according to a general arrangement
drawing in the E7 operating manual a high and low voltage cabinet was
located on the interior wall adjacent to the opening on the fireman's
side of the locomotive.
I suspect that the filters became a maintenance issue or moisture
entered the locomotive.
In either case, I believe the changes to the locomotives were random.
As a side note, the E7s ran hot. The railroads responded by adding
the fourth air inlet, some removed the roof louvers, and others
rebuilt the car sides into what some refer to as the phase II design.
Regards,
Ed DeRouin
[Non-text portions of this message have been removed]
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