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08-07-2008, 10:33

Oh... forgot to mention - didn't have a way to test coolant pressure or flow, but the radiator was definitely blowing hot air...
Greg

----- Original Message ----
From: Greg Young
To: Wanderlodge Forum
Sent: Thursday, August 7, 2008 1:09:29 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