I do not suffer from insanity...I enjoy every minute of it!!! Over 60 and still playing with toys!
BUT completely different control stands and electrical cabinets. The electrical cabinets of the E units juts into the cab after small indents, the F's lack this. SECOND the control stands in an E unit or at least all that I've seen (exception of CB&Q E5 at IRM) that haven't been updated, have a large rectangle that is attached at the front to the wall of the cab and is rounded off at the back. Next to that is the fuse stand with light controls. The throttle pull is large on these in a straight direction till you get to notch 6 or 7 and then turns, reverser underneath. The transition lever is not to far from the end of the throttle to the above left, brakes to the forward right in front of cab seat. NOW in a F unit originally would have the cylinder typew control stands of early EMD's with transition lever on the back of the control stand throttle in the front by the engineer with reverser directly underneath the throttle, light controls above the side window for the engineer. Brakes and gauges are in the same areas for both types.
See pictures for E unit reference:
http://www.ozarkmountainrailcar.com/e8-97-7.jpg
http://www.ozarkmountainrailcar.com/6902-3.jpg
See picture for F unit reference:
http://www.ozarkmountainrailcar.com/mlw109-a-56.jpg
http://www.ozarkmountainrailcar.com/funit1304-26.jpg
The E unit control stands that nssr 9169 shows are for an E-8 or E-9. The F unit controls shown are the same for E-6's and E-7's. The same basic throttle stand was used from the FT to pre '57 F-9's. The FT had 8EL brake system and the independent handle was aprox where 24RL the automatic handle is located. The 8EL automatic brake valve was then under the ind brake valve. I can't provide pictures as all my stuff is still packed away for moving.
The E unit shown has a freight style 24RL automatic brake valve rather than the passenger. The freight valve could be used for most passenger service. The passenger type had a small dome over top of handle and handle stuck out at a slight upward angle. There was also a hinged bar that ran under the handle which had two functions when auto handle ( in any position) depressed enough to engage and depress the bar. The two function were suppression (take your foot off deadman pedal to get cramp out of leg) and/or sanding. The passenger valve also had a handle to change the operation from AU to SA or "Straight air aka Electric air". The plate to the right of the transition lever on nsse's E unit is the dynamic brake area.
Any E or F unit built or rebuilt after sometime in 1957 would have the now common AAR style throttle/reverser/transition lever.
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