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Old 08-07-2018, 06:02 PM   #221
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Location: Eustis FLORIDA
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Sorry, no pics, but I have all the chair rails off now. Whew. 150 or so rivets to air chisel off, down at my shins. My shins have marks where the rivet heads hit them while flying around....


Thanks for the advice for the air hammer and grinding down one of my chisels.
I've got a buddy who may have a couple NF parts buses. PM me if you want his info.
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Old 08-07-2018, 08:39 PM   #222
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Unhappy Breakers!

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Well, thank God for breakers....


The crisis of a broken PLC has been avoided - it was just a tripped breaker.


Whew....



Well, that breaker "tripped" again, but this time it didn't show "tripped". It took me removing the breaker from the panel, checking continuity, and putting it back in for it to contact again.


I'm now on the lookout for new breakers....





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Old 08-07-2018, 08:50 PM   #223
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I've got a buddy who may have a couple NF parts buses. PM me if you want his info.
Im the buddy 👋 lol.. I have 14 new flyers 30 and 35 footer low floor transit coaches that we are in the process stripping and getting ready to scrap. They range from 1997-2001. The 4 30ftrs have 466es and the 35s all have dd series 50 engines. I dont know how much is compatible with the high floor coaches. But i would be more than glad to check and help with any parts you might need. Pm me if interested.
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Old 08-07-2018, 08:51 PM   #224
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Well, that breaker "tripped" again, but this time it didn't show "tripped". It took me removing the breaker from the panel, checking continuity, and putting it back in for it to contact again.


I'm now on the lookout for new breakers....





I have plenty of these 😁
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Old 08-07-2018, 09:26 PM   #225
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Join Date: Mar 2017
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Im the buddy 👋 lol.. I have 14 new flyers 30 and 35 footer low floor transit coaches that we are in the process stripping and getting ready to scrap. They range from 1997-2001. The 4 30ftrs have 466es and the 35s all have dd series 50 engines. I dont know how much is compatible with the high floor coaches. But i would be more than glad to check and help with any parts you might need. Pm me if interested.



Ooo, I'm giddy with excitement....
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Old 12-18-2018, 04:21 PM   #226
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Join Date: Mar 2017
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Wow, been awhile....


Interesting problem. I tried to start the engine with batteries that were too weak. The PLC that runs everything dropped out before the starter did. Before I could get to the back of the bus and flip the main breaker the starter stopped turning over the engine and "dropped out" - sounding like a freewheeling motor when it "disengaged."


Now, when I reset the main breaker, that freewheeling motor sound starts. I thought it might be that the solenoid is still engaged, but even after throwing the breaker that I think was just for the starter, that freewheeling motor sound just continues.


Any idea what it might be, and how I can "reset" it so that I can re-engage the main breaker without the freewheeling motor draining the batteries?


Thanks!
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Old 12-18-2018, 04:37 PM   #227
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Sounds like time to recharge your batteries before anything else.

Disconnect them and charge individually. When both are ready then reconnect and try to start.


John
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Old 12-18-2018, 04:53 PM   #228
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Sounds like time to recharge your batteries before anything else.

Disconnect them and charge individually. When both are ready then reconnect and try to start.


John

I'm doing just that (except the charge individually part). I'm still concerned about the freewheeling motor sound. I'm not sure what will happen once the batteries are fully charged should the starter actually engage before the PLC is ready for it....


Guess I'll find out....
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Old 12-18-2018, 05:06 PM   #229
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Charging both at the same time will not give you a good indication of battery condition Marky. One could be much weaker than the other but you won't know unless you separate them to charge. I know, takes more time etc but tells a tale.
I think when both come up the PLC will recognize that and reset things, hopefully disconnecting the power to that starter motor. It might be weak enough right now that that coil is underpowered and won't de-energize.


I was just reading above about the breaker issue. That could be doing this. Can you change it or test it? Sounds like it isn't disconnecting the circuit. Pull the wire off the starter and check for voltage if possible.

Good luck,


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Old 01-10-2019, 03:10 PM   #230
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Join Date: Mar 2017
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Sorry for the dead-air. Christmas and all....


Anyway, about a week ago I pulled the charger off the batteries and the batteries off the bus (I had the charger on all Christmas and New Year's), let them sit for a few hours, and tested them with a multimeter. One read 13.7V, the other 11.2V. Yup, dead cell in one of the batteries. I was hoping to go one more season with the batteries before having to replace them....



So I went to Interstate Batteries and bought two 8D-MHD batteries:

https://www.interstatebatteries.com/products/8d-mhd


Turns out the batteries I took off the bus were screw posts, and the new batteries are top posts. So, I bought two sets of brass top-to-screw-post adapters:
https://www.amazon.com/dp/B0787NPBFN..._t1_B07DWZNVH1


Hopefully I'll get everything sorted tonight or tomorrow, as we have snow forecasted this weekend.


And hopefully the brass converters will handle the starting current....
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