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HELP! Power Tech 7000 Problem

Yahoo Message Number: 62149
This is my 2nd CC - was a S CA coach all it's life till now. Less than 300 hrs on the gen. 2 weekends ago we drove it about 150 mi to E TX running both roof airs and the gen. B4 leaving I checked the oil and coolant levels in the 3 cyl Kybota - about 15 mi down the road the gen engine died. I pulled over - re started the gen and roof airs and finished the trip (about 2 hrs). About that time both roof airs stopped, the gen engine died and a huge cloud of white smoke poured out of the gen bay - I knew from the smell I had fried the armature, fields or both - I was right.
I have now replaced the gen portion with a new brushless version, had oil, oil filt & fuel filt changed - mechanic said it was low on coolant. Overheating? Could a gen that is on it's way out draw enough of a load in 100 degree heat to cause the Kubota to reach it's safety cut off? I wish I had an oil pres & temp guage installed for that engine. Anyone with knowledge in this area - please share your thoughts. This may be an oldie but the coach itself only has 47k on the odo - like new inside.
Thanks in advance -
bojangles5169

'97 Intrigue #10414
(Devout Infidel)

Re: HELP! Power Tech 7000 Problem

Reply #1 –
Yahoo Message Number: 62154

Here is a little advice for all of us out there. After serving as an Electrician for 18 years in the U.S. Coast Guard, I've learned this. You should run your generator with a good load on it for a few hours at least once a month. Moisture will soak down into the windings of the generator and start to breakdown the insulating varnish that coats the windings. If the insulating varnish breaks down enough then you'll have a short in the windings which means a new generator. The larger generators I worked with on board ships had an electrical hearter built into the generator housing to keep the windings warm and dry. Running our generators under a good load for atleast a few hours warms up the windings and dries them out. Good luck with your new generator Glen.

Steve

1998 Intrigue #10557

Re: HELP! Power Tech 7000 Problem

Reply #2 –
Yahoo Message Number: 62171
I have the same generator, Bummer on the failure! I worked most of my life on Power Systems for Cat. The Kubota is a geed engine. Power tech make a good unit. My unit like your has a high temp SD. Mine has shutdown several times on hot Tarmack, I let it cool and run only one Air. Cooler weather two air's. In 2000 Power tech supplyed CC with a 8kw with a larger Radiator and a squrral cage blower fan. I have worked on both. Power tech in Florida can help you out. Google power tech and give them a call. Ken 99 Allure 30356.
 

Re: HELP! Power Tech 7000 Problem

Reply #3 –
Yahoo Message Number: 62172
Steve Working for Cat, Sounds like I trained you as I started up Generators for the Military and the Coast Gaurd. Thanks for sharing the Info. you are a good listener and proud you served our country! I dont want to tell you flying out to small Isalnds the Importance of a Generator Space Heater's and Bulk Load Testing Engine/Gen sets! Power Tech makes a good unit but our RV'S sadly to say dont have Generator Space Heaters! BTW I never run my generator while the Coach is running down the road, Just my choice. Ken 99 Allure 30356