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yannick358
 Post subject: Kohler generator issue
PostPosted: Mon Oct 14, 2013 10:56 pm 
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Dolphin

Joined: Wed Jul 18, 2012 1:22 pm
Posts: 77
Hi,

Kohler 5000w

When I start it without load it works fine. 1-2-3-4-10mins run. no issue.

Once I put on my Gene breaker the coolant overflow bottle start bowl and it stop with HE error on my panel. (
HE = Heat coolant.

The impeller has been changed.
i changed the thermostat cap with an other boat , and same problem.
Only 40hours.
Problem occurred only on load.

any idea what it could be ?

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kd4pbs
PostPosted: Tue Oct 15, 2013 10:29 am 
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Joined: Thu Sep 05, 2013 10:34 am
Posts: 350
Lack of cooling water flowing through the heat exchanger.
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298VISTA2000
PostPosted: Tue Oct 15, 2013 5:27 pm 
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Joined: Mon Oct 27, 2008 7:13 pm
Posts: 1303
Location: Allatoona Lake, Georgia
Might be air lock. Is there a vent nut on top of the heat exchanger that you can let the air out of? My Kohler 5E is a 2000 model and they didn't come with them so had to drill one and tap it. http://www.boatered.com/forum/topic.asp?TOPIC_ID=102691

ETA: Based on your picture, it does appear you have a vent nut.

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Current Boat: 2000 Four Winns 298 Vista
Previous Boat: 2000 Carver 406MY
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yannick358
PostPosted: Tue Oct 15, 2013 8:33 pm 
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Dolphin

Joined: Wed Jul 18, 2012 1:22 pm
Posts: 77
will have a try on the 1/4 bolt this week end... thanks all for your reply
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