Looking for a P&H portable welding machine service manual

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Looking for a service manual for a P&H portable welding machine model wng200b.  Any assistance or suggestions on where to look for one would be much appreciated.
Reply:Originally Posted by redsquirrelLooking for a service manual for a P&H portable welding machine model wng200b.  Any assistance or suggestions on where to look for one would be much appreciated.
Reply:The P&H building is near here (it should have its own zip code)I have a couple buddies that are engineers/CWIs there, I will ask them what they know.Yup
Reply:Years ago we had a rental fleet of these machines. I will try to find an old manual. I believe they were made by ONAN and labeled for several different manufacturers. Is the machine working?Gary Haunemail  [email protected]  http://haunsystemsrepair.com
Reply:I have an old  P&H Hansen "Smootharc" model WA-200 generator from a mobile rig which was powered by a Wisconsin V-4, IIRC. The engine was beyond hope of rebuilding so I finally scrapped it; it's the same engine used on lots of Agricultural equipment like balers, I was told.Some years ago,I contacted a company in the Los Angeles area which supposedly took over the P & H company long ago, about my welding generator  and they sent me some information, but it wasn't close to matching my unit. I took some shots of this thing some while ago, but would have to look for them. Any available of your rig? Any idea how old yours is?
Reply:Thank you for the prompt replies.  The portable welding machine does work and I believe it was built in approximately 1968.