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Chassis Preservation

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Engineerlt

Chassis Preservation
« on: May 17, 2020, 04:26:09 pm »
Hello All
I have been doing some maintenance and I noticed that on my 2017 2552, PC never painted the step well. It had some heavy surface rust on it.  I started looking at the frame rails and out riggers. They as well were developing some surface rust especially where the frame rails were extended. I thought,  in one of PC's video's Earl said they powder coated the frame where the extensions were.  Well mine isn't powder coated. Anyhow it looks like I need to get busy on the underside of this coach.

I was wondering if anyone else's step well box was not painted.  If yours is like mine you might want to do a little, prep, prime and painting action.

My re-coating of the frame rails etc. is going to go like this:
1.  Clean and remove the loose rust
2.  Apply Ospho to all rusted areas and let dry overnight
3.  Spray Eastwoods black rust encapsulator on all areas that need it
4.  Then undercoat frame rails, outriggers and anything else that gets in my way with Eastwoods Amber Heavy Duty Anti Rust.  This stuff is great, I have used it on several restorations and it works. It reminds me of Rusty Jones undercoating you could get back 30 years ago. It is like a wax petroleum base.
Once the petroleum evaporates out it leaves this waxy coating that actually heals itself if scratched, and it doesn't peel off like Zebart after 5 years.

Just figured I would throw it out there and see if anybody else has the issues, and if so how have you solved them?
Lance
« Last Edit: May 17, 2020, 04:28:32 pm by Engineerlt »

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Joseph

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Re: Chassis Preservation
« Reply #1 on: May 17, 2020, 08:05:10 pm »
I haven’t seen any issues with rust on mine, however living in the low desert it’s typically not much of a problem. I know rust is like cancer though especially for anyone living in the rust belt. In my case even if I get a bit of surface rust I doubt I’ll have the rig long enough for it to be a concern.  Once I get close to 100K I’ll prob get rid of it and buy another low mileage used unit.

I understand a lot of Jeep owners use a product called fluid film on their under carriage and frames. Ive read that once applied it stops any current rust and stops new from getting started but has to be re applied every few years.  I’ve never used it; this is just what I’ve read on the Jeep forums so I have no first hand knowledge.  The only upside if it works as I’ve read is its easy to apply with no hard labor.

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Ron Dittmer

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Re: Chassis Preservation
« Reply #2 on: May 17, 2020, 08:29:52 pm »
Many years ago I noticed the rusty step on my 2007.  You can see it in the picture here taken around 2009.  It is to the right as seen through the battery compartment.

I have not yet done anything with it because it has not gotten much worse.  I do keep an eye on it.  It helps immensely keeping the rig indoors when not being used, and it is used during the good time of year.  Our PC has never been driven on salty winter roads, and by chance hardly gets wet when we are using it.

Still, I have it in mind to put a couple of coats of something to protect it.  I am just not yet motivated enough.

The chassis frame still looks like new as seen in this picture taken in 2018.
« Last Edit: May 17, 2020, 08:50:41 pm by Ron Dittmer »
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Engineerlt

Re: Chassis Preservation
« Reply #3 on: May 17, 2020, 08:51:09 pm »
Hello Joseph
Fluid Film looks very similar to Eastwoods Amber Heavy duty anti rust. Thanks for the information, I am going to buy some and give it a try. Also I believe my rust issue may have been from the previous owner, who lived in Pennsylvania. 

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donc13

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Re: Chassis Preservation
« Reply #4 on: May 18, 2020, 09:03:12 am »
Many years ago I noticed the rusty step on my 2007.  You can see it in the picture here taken around 2009.  It is to the right as seen through the battery compartment.

I have not yet done anything with it because it has not gotten much worse.  I do keep an eye on it.  It helps immensely keeping the rig indoors when not being used, and it is used during the good time of year.  Our PC has never been driven on salty winter roads, and by chance hardly gets wet when we are using it.

Still, I have it in mind to put a couple of coats of something to protect it.  I am just not yet motivated enough.


Hey Ron,

In your picture, what are the 2 white strips connected to the red battery leads and then the black box thing connected to them?

I am guessing the white strips current limiting resistors and maybe the black box is the isolator between the chassis battery and the house battery?

Don
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Ron Dittmer

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Re: Chassis Preservation
« Reply #5 on: May 18, 2020, 07:41:43 pm »
Hey Ron,

In your picture, what are the 2 white strips connected to the red battery leads and then the black box thing connected to them?

I am guessing the white strips current limiting resistors and maybe the black box is the isolator between the chassis battery and the house battery?

Don
I always thought the two white things were big fuses.  The black thingy is even more of a mystery.

Here is a picture of them hooked up.  I should have selected this one to share.

« Last Edit: May 18, 2020, 07:45:16 pm by Ron Dittmer »
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donc13

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Re: Chassis Preservation
« Reply #6 on: May 19, 2020, 10:13:27 am »
Well, my curiosity got to me, so I just sent an email to Dave asking what they are.   We'll see.

Don
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keelhauler

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Re: Chassis Preservation
« Reply #7 on: May 21, 2020, 10:39:39 am »
These are all circuit breakers. I think the black one is the power to start the generator.



John

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Volkemon

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Re: Chassis Preservation
« Reply #8 on: May 21, 2020, 12:47:53 pm »


Hey Ron,

In your picture, what are the 2 white strips connected to the red battery leads and then the black box thing connected to them?

I am guessing the white strips current limiting resistors and maybe the black box is the isolator between the chassis battery and the house battery?

Don



The white things look like fuses, when they blow from a fault you replace.

Example -  https://www.waytekwire.com/item/45973/Purple-MIDI-Fuse-32V-200A/?gclid=Cj0KCQjwzZj2BRDVARIsABs3l9KaLPU1JVtzCPobdqG9DX7Ldcrj6Se5X-rSD6cZVNAsD-ZzeAd-hvoaAlJvEALw_wcB



The black one also (looks like...) is a sort of fuse, it protects against over current, but is reset-able so when the fault is fixed, you can just reset it.   (cheer)

Example - https://www.delcity.net/store/Del-City-Marine-Rated-Manual-Reset,-Surface-Mount/p_917019.h_917021.r_IF1003?mkwid=&crid=410099918330&mp_kw=&mp_mt=&gclid=Cj0KCQjwzZj2BRDVARIsABs3l9LsgGTSb-F0oR_D5tJOKGi6Wk5-rVIZYJdhtLidleNEGSAlIpgOUQUaAkEAEALw_wcB



The 'single use' fuses appear to be put in parallel - maybe (2) 100A fuses working together to be a 200A fuse lets say. After that, one wire goes behind to (?)  and the other goes through the re-settable one to whatever it is powering. 

Little unusual using the two fuses wired like that, I could not come up with a quick reason why.  (WH) Will check back to see what Dave said.


As far as the light surface rust...  I soak it with WD40 or similar. Easy to clean off and work with later, doesn't transfer gookus to you when touched, and (here in God's waiting room..  Florida...) the weather is so mild it lasts for years. Your climate may vary.  :lol
""You want to save money on travel, drive a Prius and stay at motel 6""  Forum Member Joseph


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donc13

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Re: Chassis Preservation
« Reply #9 on: May 21, 2020, 07:57:27 pm »
These are all circuit breakers. I think the black one is the power to start the generator.

You get the prize!   Dave answered my email. The white blocks are 200amp non-resetable fuses that go to the inverter.  The flat black box is a 125 Amp reset able breaker that goes to generator starter.

Don
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Ron Dittmer

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Re: Chassis Preservation
« Reply #10 on: May 22, 2020, 11:26:58 am »
These are all circuit breakers. I think the black one is the power to start the generator.

You get the prize!   Dave answered my email. The white blocks are 200amp non-resetable fuses that go to the inverter.  The flat black box is a 125 Amp reset able breaker that goes to generator starter.

Don
It all makes more sense to me now, just the way Phoenix did it.  Thank you!

So now I know where to look first if suddenly my house is dead as a door nail, or my generator won't respond in any fashion.
« Last Edit: May 22, 2020, 11:28:46 am by Ron Dittmer »
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WillLloyd

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Re: Chassis Preservation
« Reply #11 on: May 28, 2020, 06:04:46 pm »
I spray everything with rust oleum’s truck bed liner paint. It works great. But, I would never put it in my truck bed......

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Joseph

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Re: Chassis Preservation
« Reply #12 on: May 29, 2020, 09:39:59 am »
A word of caution on any kind of paint or bed liner. I went to look at a Jeep for sale that the owner had done the under carriage and wheel wells with a bed liner. He claimed he did it when it was new. There was no way to really tell if that was the case or if he was covering up rust issues so I passed. This seller might have been as honest as they come but I old enough to have been burnt more than once. I might have missed out on a great Jeep, but caution prevailed.