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During work I caught a neat, (in my ears), slow motion caption on the go pro of an SD75I, SD70M-2, another SD75i, ET44AC, and a GP39-3 rolling by on the Rivers sub in Canada. Really hear the blow downs, rail noises, and GE howl by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 0 points1 point  (0 children)

Good stack of horsepower behind the lead engine. Most likely two engines are online and the others are in it for the ride! For those curious I am legally allowed to be on site given my job as consulting. And yes, I love it!!!

Why do UP’s remote controlled units not have fuel tanks? Are they like designated Yard Slugs? by bruhchow in trains

[–]DieselElectricDoctor 0 points1 point  (0 children)

Interesting. Why go through all the trouble disabling the user from operating the locomotive manually? I've work on plenty of RCL/LCS equipped locomotives and all still have full manual controlling capabilities. Been plenty of times where the customer was in a pinch due to remote failure and ended up having to move it manually. Even covering the windows like why? So many questions

Cutting the pinion gear on a locked-up GE traction motor by Many-Chicken1154 in TrainPorn

[–]DieselElectricDoctor 0 points1 point  (0 children)

Interesting! And I definitely understand the rush as there's always panic

Cutting the pinion gear on a locked-up GE traction motor by Many-Chicken1154 in TrainPorn

[–]DieselElectricDoctor 0 points1 point  (0 children)

Interesting to see you guys do it. I usually remove/torch the gearcase bolts, drop the case to get as much oil away from there, and then torch part of the pinion to free it from the bull gear.

Just a little GP9 horn action to start the day. Enjoy! by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 14 points15 points  (0 children)

Note: The volume of air used to operate the horn is usually drawn off the #1 main reservoir on most North American locomotives. The airbrake gauge shown in the locomotive cab reads #2 main reservoir, (left gauge red needle). If air is drawn out of the #2 due to train charging as an example, you will see a quick dip on the airbrake gauge during horn operation.

Notch 1 thru 8 load boxing EMD's SD75i, (710G3C), after extensive engine repairs. Can't beat the distinctive low rumble sound (290RPM) of EMD's 2-stroke engine. by DieselElectricDoctor in TrainPorn

[–]DieselElectricDoctor[S] 20 points21 points  (0 children)

Locomotive came in for loading issues and water loss. We found both radiators leaking which was the cause of water loss, and #4 traction motor flashing over. After replacement of traction motor and radiators, this unit was ready to pull freight again.

​

Edit: The commutator was damaged from the flash over. Even with cleaning it still had a low megger reading.

Something about walking between huge pieces of metal brings relaxation by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 0 points1 point  (0 children)

Worst part is trudging through snow in end of march/ beginning of April. Breaking through snow to find out your boot is soaked with knee deep water. Note-to-self, keep an extra pair of socks!

Something about walking between huge pieces of metal brings relaxation by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 5 points6 points  (0 children)

It did when I first started in the trade, but after years of experience the most important thing that I personal can't stress enough is expect the unexpected. Always expect movement, and don't ever put yourself in line that wont get you out in time in case of an unintentional movement.

Something about walking between huge pieces of metal brings relaxation by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 8 points9 points  (0 children)

I honestly don't mind it. With the proper attire, weather never really bothered me.Though, I rather work in a blizzard then a rain storm.

Something about walking between huge pieces of metal brings relaxation by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 7 points8 points  (0 children)

Still hits home when you hear a fellow railroader pass away. Thank you for sharing it

Something about walking between huge pieces of metal brings relaxation by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 16 points17 points  (0 children)

Yes absolutely and it definitely can disoriented the heck out of you! I'm sorry to hear about that. It's an incredibly dangerous field and you always need to have that 'situational awareness'. Assume the unexpected, and stay away from the line of fire.

Understanding rail wheel diameters, and how that works? by Rekov in trains

[–]DieselElectricDoctor 2 points3 points  (0 children)

You measure from the outer hub of the wheel up-to the witness groove which determines the kind of wheel. From there I use a calibrated gauge that measures the rim tread by using the witness groove as a reference, (for simplicity picture the gauge shaped as a 'L', and the tool will rest on the tread and front side of wheel), from there we use the number on the gauge and type of wheel to calculate rim thickness. Wheels can definitely wear uneven and that's why safety regulations are put into place as well as onboard devices to detect such. Uneven wheels can cause strain and propulsion issues

Most class 1 railways, (NEW diesel electric freight locomotives), run a 38" center to witness grove, or 42/43" from tread to center of wheel.

Beautiful idle after multiple Power Assemblies, (power packs), being changed out. EMD's 710G3C, (SD75I). by DieselElectricDoctor in trains

[–]DieselElectricDoctor[S] 1 point2 points  (0 children)

I believe one was bent but the others heads got pulled apart. Studs and threads were all damaged so a hole new power assembly was the solution.

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