Good Sam Club Open Roads Forum: Welding on a 1999 spartan chassis
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 > Welding on a 1999 spartan chassis

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MrWizard

Traveling

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Posted: 07/22/20 11:31am Link  |  Quote  |  Print  |  Notify Moderator

I have welded on several of my RVs with a wire feed welder Not Stick, with batteries connected
And I have had welding done at a shop

Facts
Without a proper ground the welder cannot even strike an arc,
The danger is not usually welding amps traveling the wrong path
Any danger to electronics, is Magnetic field induction,EMF, welding to close to a sensor or IC that is sensitive


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PastorCharlie

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Posted: 07/22/20 12:39pm Link  |  Quote  |  Print  |  Notify Moderator

I have had good luck majority of time welding on vehicle frames BUT there have been time it blew light bulbs. Do you play the lottery?

The safe way and not take the risk of damaging some electronic or electrical devise is to REMOVE the receiver and do any necessary fabrication and then replace the completed project. What is the time saved by not removing it worth?

wa8yxm

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Posted: 07/22/20 04:34pm Link  |  Quote  |  Print  |  Notify Moderator

ON most of the frame I do not recommend welding. There is a reason for this. Sounds like you are welding on the rear end (That's one of the places where welding is acceptable)

I rather like the way SSS (Simpson and Son's Service) did the welding on my hitch.

On the workbench in the shop

Then they came out and BOLTED it to the frame rails (Existing bolt holes as the hitch was originally bolted there before it failed) Their rebulild is still rated at 5000 tow weight but easily 2000 hitch weight (The original was not that good and the Drop Hitch adapter torqued it right off the RV.. They over built when they put it back together)


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JRscooby

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Posted: 07/23/20 04:38am Link  |  Quote  |  Print  |  Notify Moderator

MrWizard wrote:

I have welded on several of my RVs with a wire feed welder Not Stick, with batteries connected
And I have had welding done at a shop

Facts
Without a proper ground the welder cannot even strike an arc,
The danger is not usually welding amps traveling the wrong path
Any danger to electronics, is Magnetic field induction,EMF, welding to close to a sensor or IC that is sensitive


When welding heavy materials, like truck frames, I prefer stick. But that might be because mostly need to do it with portable.
And it is true, you can't strike an arc without a good ground, the attempt is what can cause damage. This is why I, if the job is going to require weld, change positions, weld, repeat, and chance the groudnd loose contact, I tack the ground clamp first.
The little I know about EMF, is the reason I say ground close to work.

wvabeer

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Posted: 08/01/20 01:42pm Link  |  Quote  |  Print  |  Notify Moderator

All I could find in my manual was the Cummins engine manual says to disconnect both battery posts. No info about it in the Allison manual or anywhere else in the Spartan manual.


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