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Power Tech Generator

Yahoo Message Number: 26231
I put a post up a little over a month ago about my Power Tech generator quitting and refusing to restart unless I let it cool down.
I am now in Austin, it is hot and muggy, and it is doing it again.
Fred Kovol suggested I open the bay door and remove the cover. I did that, it still shuts down. I checked the fan, it is running, it has plenty of coolant, oil level is fine. I had it serviced about six months ago, and it does not have very many hours on it since, so the oil, fuel and air filters should be fine (I took the air filter off and tapped what little dirt I could out of it).
Another post suggested the over temperature swithc, and I am beggining to think that is my problem. Question: Where is that switch? I find the oil pressure switch, it is in plain view, but I can't find the over temperature switch.

Al Colby

2000 Intrigue 10979

Re: Power Tech Generator

Reply #1 –
Yahoo Message Number: 26237
Have you verified that the automatic sutoff isn't set to shut it off at a certain time/condition. Are you getting a fault code?

Larry 03 Allure #30856

Quote from: allan_colby
I put a post up a little over a month ago about my Power Tech > generator quitting and refusing to restart unless I let it cool

down.

Quote
I am now in Austin, it is hot and muggy, and it is doing it again.

Fred Kovol suggested I open the bay door and remove the cover. I

did

Quote
that, it still shuts down. I checked the fan, it is running, it has > plenty of coolant, oil level is fine. I had it serviced about six > months ago, and it does not have very many hours on it since, so

the

Quote
oil, fuel and air filters should be fine (I took the air filter off > and tapped what little dirt I could out of it).

Another post suggested the over temperature swithc, and I am

beggining

Re: Power Tech Generator

Reply #2 –
Yahoo Message Number: 26240
Two things to check, first is the water level, if it gets about an inch low it will cut off, the second is the temp sensor, it is one of thee two items. most likely low water level.

Mikee

Fred Kovol suggested I open the bay door and remove the cover. I did that, it still shuts down. I checked the fan, it is running, it has plenty of coolant, oil level is fine. I had it serviced about six months ago, and it does not have very many hours on it since, so the oil, fuel and air filters should be fine (I took the air filter off and tapped what little dirt I could out of it).
Another post suggested the over temperature swithc, and I am beggining to think that is my problem. Question: Where is that switch? I find the oil pressure switch, it is in plain view, but I can't find the over temperature switch.

Al Colby

2000 Intrigue 10979

Re: Power Tech Generator

Reply #3 –
Yahoo Message Number: 26251
Al, I'm trying to remember if the 2000 ( I had one very close to yours, numerically) had a Trace or other system for setting up quiet time. I had your problem and found it was simply a clock setting which caused the unit to shut down---just a thought.

Walt Rothermel

03Allure30811 ( still for sale )

Re: Power Tech Generator

Reply #4 –
Yahoo Message Number: 26255
Al,

I have had to replace the coolant temperature switch twice on my Powertech 7000 genset. (4400hrs total run time) You will have to take off the unit top cover to access it. You will then find it about 10-12 inches behind the oil pressure switch, on top of the engine. (just to the left of the water pump) It is easy to see and remove once you have removed the top cover. I got a Borg-Warner replacement at an auto parts store.

Good Luck!
Dave

2000 Allure 36'
#30444

allan_colby wrote:

Re: Power Tech Generator

Reply #5 –
Yahoo Message Number: 26259
Quote
I have had to replace the coolant temperature switch twice on my > Powertech 7000 genset. (4400hrs total run time) You will have to take > off the unit top cover to access it. You will then find it about 10-12 > inches behind the oil pressure switch, on top of the engine. (just to > the left of the water pump) It is easy to see and remove once you have > removed the top cover. I got a Borg-Warner replacement at an auto parts > store.
Very interesting, Dave. You say that you have 4400 hrs on your PT7.0 If so, this is the highest number of hours that I've heard of.
How's it running? Are there others out there with higher numbers?

Tom Fisher
Dallas, TX

Re: Power Tech Generator

Reply #6 –
Yahoo Message Number: 26261
Tom,

Oh, it is definitely so. When I am parked on our new farm, I power the barn with the genset. It runs 24/7 when I am there in the summertime. I am writing this inside the barn right now with power for the lighting, computer and network coming from the genset.
The genset runs fine, no smoke, and fuel consumption in line with Kubota specs and no starting problems. I spoke with a local Kubota dealer regarding run time, expected life, etc. and was told with proper maintenance the engine should easily provide 20K hrs of service before requiring an overhaul.

Dave (In chilly North Texas with Crystal clear skies) 2000 Allure 36'
#30444

Re: Power Tech Generator

Reply #7 –
Yahoo Message Number: 26262
Quote
The genset runs fine, no smoke, and fuel consumption in line with Kubota > specs and no starting problems. I >spoke with a local Kubota dealer > regarding run time, expected life, etc. and was told with proper > maintenance the >engine should easily provide 20K hrs of service before > requiring an overhaul.
Very encouraging news. I take it that proper maintenance is timely oil and filter(oil, fuel & air) changes? In the summer you must be changing oil and filter about every four days(~96hrs)??

Tom Fisher
BigD

Re: Power Tech Generator

Reply #8 –
Yahoo Message Number: 26267
Timely, yes, 100 hours, no. When I bought the coach the genset had 250hrs on it and the genset used a very small spin-on oil filter. I found a larger replacement and changed the oil and filters religiously every 200hrs. The oil was much cleaner than the Cummins at change time, so I surmised all was well and the later analysis seems to bear this out. The air and fuel filters had always been changed per the manufacturers' schedule. The first really hot week in late June I was changing the oil every 8-10 days. This got REALLY old, quickly. After doing some research, I made the following changes:    1)   Added a bypass oil filter        2)   Began sampling and performing oil analysis every          250hrs. Based on the analysis results I extended the oil change to 750 hrs. The analysis lab recommended only filter changes at 750 hours and continuing using the oil, re sampling and testing again at 1500 hrs. I might do that, now that I have switched to synthetic oil, but not until I get an analysis on the synthetic. The air filter has not gotten as dirty when stationary, and I had around 1000 hrs on it when I changed it. I have been changing the fuel filter at 750hrs with the oil. Because the air is much cleaner and the fuel comes from the same high-volume dealer when at the farm, I revert to the shorter manufacturers' intervals for the air and fuel filters when on the road. The bypass oil filter made a huge difference in the appearance of the oil at 250hrs. Looked much more like it did at 50hrs before I installed it. I last changed the oil and filter on Sept. 2, and have about 100hrs to go on the FIRST change to synthetic. In the next week or two It will be time to change again and get the analysis done. We will see if the synthetic really is better. Prior to the synthetic, I have always used Rotella 15W-40, same as in the Cummins. Dave 2000 Allure 36' #30444

Re: Power Tech Generator

Reply #9 –
Yahoo Message Number: 26296
Quote

Timely, yes, 100 hours, no.

When I bought the coach the genset had 250hrs on it and the genset
used a very small spin-on oil filter. I found a larger replacement and changed the oil and filters religiously every 200hrs. The oil was much cleaner than the Cummins at change time, so I surmised all was well and the later analysis seems to bear this out. The air and fuel filters had always been changed per the manufacturers' schedule.

Quote
>

The first really hot week in late June I was changing the oil
every 8-10 days. This got *REALLY *old, quickly.

Quote
>

After doing some research, I made the following changes: >

1)   Added a bypass oil filter

2)   Began sampling and performing oil analysis every

250hrs.

Quote
>

Based on the analysis results I extended the oil change to 750
hrs. The analysis lab recommended only filter changes at 750 hours and continuing using the oil, re sampling and testing again at 1500 hrs. I might do that, now that I have switched to synthetic oil, but not until I get an analysis on the synthetic.

Quote
>

The air filter has not gotten as dirty when stationary, and I had
around 1000 hrs on it when I changed it. I have been changing the fuel filter at 750hrs with the oil. Because the air is much cleaner and the fuel comes from the same high-volume dealer when at the farm, I revert to the shorter manufacturers' intervals for the air and fuel filters when on the road.

Quote
>

The bypass oil filter made a huge difference in the appearance of
the oil at 250hrs. Looked much more like it did at 50hrs before I installed it.

Quote
>

I last changed the oil and filter on Sept. 2, and have about
100hrs to go on the FIRST change to synthetic. In the next week or two It will be time to change again and get the analysis done. We will see if the synthetic really is better. Prior to the synthetic, I have always used Rotella 15W-40, same as in the Cummins.

Quote
Dave

2000 Allure 36'
#30444

> Very encouraging news. I take it that proper maintenance is > >timely oil and filter(oil, fuel & air) changes? In the summer > >you must be changing oil and filter about every four days

(~96hrs)??

Quote
>

Re: Power Tech Generator

Reply #10 –
Yahoo Message Number: 26298
Dan,

Oil Filter WIX #51568
Fuel Filter WIX #33390
Air Filter WIX #46332
Dave

2000 Allure 36'
#30444

dmgelaine
 

Re: Power Tech Generator

Reply #11 –
Yahoo Message Number: 26300
Please note that with the below oil filter I changed the oil every 200hrs. Only with the addition of a 2-micron bypass filter and performing oil analysis did I extend the interval to 750hrs. The bypass filter is an external unit that requires running two oil lines from it to the engine.

Dave

dave hills wrote: