[RE-wrenches] On Gens : 2007 Kohler: Wrenches, can you help with parts or smarts?

[Jerry Shafer]

Wrenches
I have always used 50 miles per hr as this works well, sure the 3600 rpm
unit runs faster but 2000 hrs is 100000 miles and unless you have a prime
mover that's about right. I see many with well over 10,000 hrs. Had one
last week do 1000 hrs in a month.

On Tue, Oct 24, 2023, 4:50 AM Dana Orzel via RE-wrenches <
re-wrenches at lists.re-wrenches.org> wrote:

> REF Hours on Generators:
>
>
>
> Air cooled 3,600 RPM = 80 Mph
>
> 5000 hours x 80mph = 400,000 miles
>
>
>
> Water cooled at 1,800RPM = 40 MPH
>
> 5000 hours x 40mph = 200,000 miles
>
>
>
> Both are a lot of hours but 400K is till a whole lot of wear & tear.
>
>
>
> I got to thinking about all the other impacts & considerations:
>
>
>
>    - Low elevation VS high elevation
>    - Light loading vs heavy prolonged loading
>    - Air flow & operating temps?
>    - Warm up & Cool down cycle VS on & off.
>    - Synthetic oil VS dinosaur oil? Synthetic = 4x the life & still
>    better than dino oil when it was new…
>    - Are they exceeding the oil intervals because they are always adding
>    & adding oil due to consumption?
>    - Rodent impact on wiring
>
>
>
> Generators do not have tires but still carry the same maintenance
> responsibilities as a vehicle, & typically do not get cared for like a
> vehicle that you climb into & trust your life with. My 0.02 experience is
> that as long as they are operating all is good & get cared for mostly when
> a crisis occurs. What I like to call “recycled ignorance.”
>
>
>
> ___________________________________________________
>
> Dana Orzel  c- 2087217003   e – dana at solarwork.com
>
>
>
>
>
> ---------- Forwarded message ----------
> From: Mac Lewis via RE-wrenches <re-wrenches at lists.re-wrenches.org>
> To: RE-wrenches <re-wrenches at lists.re-wrenches.org>
> Cc: Mac Lewis <maclewis1 at gmail.com>
> Bcc:
> Date: Tue, 24 Oct 2023 05:04:36 -0600
> Subject: Re: [RE-wrenches] 2007 Kohler: Wrenches, can you help with parts
> or smarts?
> Hello Mick,
>
> Here is what I'd do:
>
> Check compression on each cylinder, look for psi of about 90(ish).  Also
> verify they are about the same (within a couple of percent).  If its way
> out of this range, stop here.
>
> If they think they've gotten at least 5000 run hours, I'd stop here.
> These air cooled machines can last longer if well taken care of, but that
> is the design life.  I have a few Kohler air-cooled with >5000 run hours so
> it can happen.
>
> I'm a fan of checking the integrity of the alternator/rotor with an
> excitation test but you may be limited in what is possible with a cooked
> controller.  You can ask me direct for more details on this.  Probably the
> controller is cooked and that's it, but I have had lightning to more things
> to generators.
>
> I would try the parts for techs but here in Colorado you can also call
> Power systems West in Aurora.  They will need make, model, serial number
> and they can price out the part for you.  This will at least get you a best
> case price for replacing the controller.  You can't rely on
> interchangeability of these controllers.  There are often changes that need
> harness modifications.
>
> Good luck
>
> On Mon, Oct 23, 2023 at 4:48 PM Dana Orzel via RE-wrenches <
> re-wrenches at lists.re-wrenches.org> wrote:
>
>> https://www.partsfortechs.com/
>>
>>
>>
>> These guys sold me an automatic volt regulator for my 20KW Onan for ¼ of
>> the price that Onan wanted SUPER helpful, not sure if they can help you but
>> reasonable, knowledgeable, & friendly, & They saved my bucket.
>>
>>
>>
>> ___________________________________________________
>>
>> Dana Orzel  c- 2087217003   e – dana at solarwork.com
>>
>>
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>
> --
>
>
>
> Mac Lewis
>
> *"Yo solo sé que no sé nada." -Sócrates*
> _______________________________________________
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