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October 22, 2017, 05:50:48 PM *
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 61 
 on: October 21, 2017, 11:35:29 AM 
Started by eagle19952 - Last post by windtrader
If Richard with his 1974 Custom Coach if having problems figuring out the wiring, I would hate to see someone figure out anything on that bus.  My RTS is a 2002 conversion, but I made everything simple to figure out.  I wouldn't trade even for that whorehouse.
You don't figure it out. You take it to the shop and just write checks. Same old saying goes here - "If you have to ask, you can't afford it"

 62 
 on: October 21, 2017, 11:16:54 AM 
Started by richard5933 - Last post by gumpy
It appears that the shore cord is 10 ga 4-conductor. If the current is split between the two hot conductors, wouldn't that be 60 amps total coming through the shore cord?

No. The 30 amp shore plug has a 30 amp breaker which would trip if you exceeded that between the two sides. Remember the two hots are combined in the adapter. It's only a single hot in the 30 amp plug.

 63 
 on: October 21, 2017, 11:11:30 AM 
Started by rwc - Last post by brmax
Excellant tip there on the scaffold jacks thanks!
I had many times thought of the post/basement jacks but now with the tip a much longer or higher capacity is available. A Big thumbs up
It seems another big issue is working toward a solution for front and rear caps. If they fit they could use some tweaking. This is just from most articles i have read, and read from a very interested point of view. Now days it is a bigger issue because no or very few and quiet manufactures for the older model caps. 

Have a good day
Floyd

 64 
 on: October 21, 2017, 09:55:38 AM 
Started by lvmci - Last post by Dave5Cs
Tom By You? Grin

 65 
 on: October 21, 2017, 09:37:39 AM 
Started by tnewman - Last post by windtrader
Ditto on the make sure you have it fully checked out. It's bad when one buys a car that is a dud. It's alot worse when it's a bus. Everything with a bus is magnified. Take your references and multiple a few times and you start getting into the reality of busnut ownership. Everything is bigger, heavier, costlier, more time consuming, more headaches.... but best of all more FUN!

fyi - I got in my first potential purchase in January and spent the next 6 months very heavily investing time and energy until the right one came along. Involved a couple plane trips and $$ for professional surveys but the best spent money of all so far. Do your homework and take your time.

 66 
 on: October 21, 2017, 09:26:09 AM 
Started by lvmci - Last post by lvmci
Yes parked the tbird, in his living room, in a warehouse, most of the show was shot in LV, tom...

 67 
 on: October 21, 2017, 09:23:47 AM 
Started by tnewman - Last post by lvmci
Hi Newman, beware of rust, one of the worst things that can happen to an older buss, expecially coastal busses. Take a busnut with you to check it out, lvmxi...

 68 
 on: October 21, 2017, 08:56:45 AM 
Started by Oonrahnjay - Last post by windtrader
Dropbox, Google Drive, Google Photos, plenty of places for cloud storage

 69 
 on: October 21, 2017, 08:17:28 AM 
Started by richard5933 - Last post by eagle19952
there are and has been two cardinal rules of wiring.
white is always neutral
neutral is never switched except in motor OL's
no electrician since ball and knob BWE has violated it.
it may be 240v service
but it can't be 50 amp
i know they made red wire back in the day
i find it hard to believe an outfit like CC woudn't use it.
even in the rarest event that white is used as a conductor NEC says it is to be marked (taped) entirely inside the enclosure
3M makes 24 colors for this purpose
The NEC has been around since about 1913

 70 
 on: October 21, 2017, 07:55:44 AM 
Started by richard5933 - Last post by richard5933
It appears that the shore cord is 10 ga 4-conductor. If the current is split between the two hot conductors, wouldn't that be 60 amps total coming through the shore cord? I looked at the Hubbell marine products brochure, and then still manufacture 60-amp products for use on boats. The photo I posted earlier is the end of the cord that plugs into the pedestal. I'm guessing that they used the marine products because they wanted more than 30 amps and there wasn't much else available at the time. There is room for a proper 50-amp inlet to be installed, but the cable running from the inlet to the transfer switch has zero extra length for maneuvering.

Seems like all the above would match the power provided by the genset which has 2x 30-amp breakers on the control box for the generator. (It's a 12.5 kw Kohler)

If I swap out the 2x 50-amp breakers in our pedestal for 2x 30-amp breakers, I should be able to swap out the pedestal end of the existing shore cord for a modern 4-conductor 50-amp plug, then plug in and at least be able to run from home. I know that there is always the danger of someone unknowingly plugging into a pedestal with 50-amp breakers, but there are just two adults involved in this and for now it may be the best option to get testing done while at home over the winter.

For use at a campsite I'll have to somehow create breakers between the bus and the pedestal to limit the draw on the shore cord to 2x 30 amps. As it is things would work by plugging directly into the 50-amp outlet, but then the breakers would not protect the cord in the event we draw too much juice. Probably could accomplish this by adding an outlet and pigtail to a small disconnect box like in this photo. Kind of awkward, but at least we'd be able to get going for now.

For information's sake, there are no 240v appliances on the bus. The biggest draws come from the two basement air units, the microwave, electric water heater, and two-burner electric hotplate. There are also three electric heaters, each appearing to be 1500 watts. I'm guessing that the bus was used on generator most of the time, but with only 950 hours on the genset (and the barely-used interior) it doesn't look like they did all that much camping over the past 43 years. The original owner of the bus owned a charter bus company in NJ (Super Service) and I'd guess that he had a pedestal custom installed to match the plug on the end of the shore cord. Looks like that's what we're going to need to do as well.

Richard

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