Kohler generator overheating

[Bryan Altier]

Hey Greg, The fan should push air through the radiator, down. My fan has an arrow showing the proper rotation. May want to check and insure that the radiator itself is clean.

Bryan Altier

88 WLWB 40

Greenville, SC

----- Original Message -----

From: "gregy1@yahoo.com"

To: "WanderlodgeForum@yahoogroups.com"

Sent: Thursday, August 07, 2008 8:16 PM

Subject: Re: [WanderlodgeForum] Kohler generator overheating

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 <"altierb@bellsouth.net">
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: "gregy1@yahoo.com"

To: "WanderlodgeForum@yahoogroups.com"

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