Kohler generator overheating

[Leroy Eckert]

--- On Thu, 8/14/08, Scott Forman <scottforman75@...> wrote: From: Scott Forman <scottforman75@...> Subject: [WanderlodgeForum] Re: Kohler generator overheating To: WanderlodgeForum@yahoogroups.com Date: Thursday, August 14, 2008, 10:39 PM This is not a squirrel cage. The pre-87 units are old-fashioned fan units. Scott --- In "WanderlodgeForum%40yahoogroups.com", Leroy Eckert wrote: > > If you look closely, there is an arrow on the squirrel cage housing showing direction. At least there is on mine. The motor on mine is 208v. I have a typical wiring diagram from the box to the fan motor if anyone needs it. > Leroy Eckert > 1990 WB-40 Smoke N Mirrors > Dahlonega, GA > Royale Conversion > > --- On Thu, 8/14/08, Bryan Altier wrote: > From: Bryan Altier > Subject: Re: [WanderlodgeForum] Re: Kohler generator overheating > To: "WanderlodgeForum%40yahoogroups.com" > Date: Thursday, August 14, 2008, 9:05 PM > > > > > > > > > > > > > > > Greg, > Looking at the motor at the end of the fan, mine > had two wires coming out of the winding and wrapped up before going back into > the winding. I removed the wrapping and found that there were two > connectors that I swapped causing the motor to run in the proper > direction. Look and see if there is a sticker on the end of the fan > housing with an arrow "direction". Since I got mine blowing out the bottom > of the fan my overheating problems are apparently gone. > > Bryan Altier > 88 WLWB 40 > Greenville, SC > > ----- Original Message ----- > From: > Greg Young > To: WanderlodgeForum@ yahoogroups. com > > Sent: Thursday, August 14, 2008 7:36 > PM > Subject: Re: [WanderlodgeForum] Re: > Kohler generator overheating > > > > > > Hi Bryan & Scott and everybody > > Follow up to our generator > issues. I had the radiator serviced and it was only 20% blocked, so the > guess is that was not the problem. However, I was wrong about the > fan. Ours appeared to be sucking air in rather than blowing out. > There is a junction box leading to the fan motor, which was wired normally - > Hot (black) to black, neutral (white) to white. I reversed these and the > motor continues to suck in. So how does one reverse the wiring and > actually make it change direction? > > I'm also a little baffled about oil > levels and think we may have a plug somewhere - the dipstick showed oil level > above max, yet when I opened the plug, with the filter off and the oil filler > cap off, no oil came out. Putting in more resulted in oil spilling out > the breather hose. > > Sorry, I'm not a gearhead like so many of you, but I > can follow instructions if they're detailed enough... > > Thanks! > Greg > Young > 1986 PT40 > Escondido, CA > (760) 807-1727 > > > > ----- > Original Message ---- > From: Greg Young > To: > WanderlodgeForum@ yahoogroups. com > Sent: Thursday, August 7, 2008 > 7:17:51 PM > Subject: Re: [WanderlodgeForum] Re: Kohler generator > overheating > > > > Hi Scott - Thanks for the info. We have the standard vertical, so I > think the fan's OK. Time to flush, and if that doesn't improve it, I'll > probably take it in for "professional" (i.e. expensive) > assessment. > > Greg Young > 1986 PT40 > Escondido CA > > > > ----- > Original Message ---- > From: Scott Forman > <scottforman75@ gmail.com> > To: > WanderlodgeForum@ yahoogroups. com > Sent: Thursday, August 7, 2008 > 5:54:06 PM > Subject: [WanderlodgeForum] Re: Kohler generator > overheating > > > > Greg, > > If you bus has the stock vertical radiator with traditional > fan, it > should blow out...or at least that is what mine does. > > > Later models...and some retro-fitted earlier ones...have a horizontal > > radiator with squirrel's cage fan blowing down and out. > > I ran my > Yanmar this past weekend at heavy load in 104 degree heat > and it never > went above 180. > > Scott Forman > 86 PT38 > Memphis > > --- In WanderlodgeForum@ > yahoogroups. com, Greg Young > wrote: > > > > > Hi Bryan - Thanks for the idea. Which way is it supposed to turn - > > exhausting air through the radiator, or pulling it in? I would think > > out, which is what ours is doing. > > -Greg > > 86 PT40 > > > > > > > > > ----- Original Message ---- > > From: Bryan > Altier > > To: WanderlodgeForum@ > yahoogroups. com > > Sent: Thursday, August 7, 2008 3:45:08 PM > > > Subject: Re: [WanderlodgeForum] Kohler generator overheating > > > > > > > Greg, We had some problems with ours overheating > > just at > times, (hot weather) and I discovered that the cooling fan > on the > > > radiator was turning backwards. Reversed two wires and problem > > > solved. > > > > Bryan Altier > > 88WLWB 40 > > Greenville, > SC > > ----- Original Message ----- > > From: Greg Young > > To: > Wanderlodge Forum > > Sent: Thursday, August 07, 2008 4:09 PM > > > Subject: [WanderlodgeForum] Kohler generator overheating > > > > Hi > - > > > > Our Kohler generator is overheating under load. So far I've > > replaced the thermostat, and so I guess that flushing the system is > > the next step. > > > > Details: > > 86 PT-40 > > Kohler > 12.5CCO67-RV > > Yanmar 4-cyl engine > > with no load ran cool. > Started adding load at around 180 degrees > > Added load up to 20A leg > one, 30A leg two - all three cruise-air > AC's running plus some other > appliances. Maintained about 115V all > the time. > > Temp slowly > climbed up to about 215 before I took the load off. In > the past it > actually tripped the high temp switch, but I didn't see > any point in doing > that again. > > After I took the load off it slowly dropped to around 200. > Stopped > it then. > > > > We've got two weeks before we head to > the desert and 100+ heat. > Any thoughts would be appreciated. > > > > > Thanks! > > Greg Young > > 1986 PT40 > > Escondido, > CA > > (760) > 807-1727 > > >