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Alrashid2

Kohler K Series - Correct Operating Procedures?

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Alrashid2

Hey guys. Wanted to start a fresh topic to pick your brains here. I've got a 312-8 with the Kohler K series K301 engine. I find both the WH manual and Kohler manual to be very vague about start up and warm up procedure. Likewise, I'm getting different opinions from people on the forum, or I'm just not understanding correctly, so thought I'd lay it all out here.

 

What do you feel is the proper start up and warm up procedure for our engines? I assume it wouldn't be too different for a Magnum engine either.

 

From the manual, I see it essentially says the following:

 

  • Move throttle 1/2 up and close choke
  • When engine starts, open choke

 

What confuses me here is the manuals make no mention of what to do next. My questions:

 

  • Do I leave it at 1/2 throttle to warm up?
  • How long do I warm up before going to work?
    • How long does it take to warm up to operating temperature in the winter versus summer? 
  • What is the function of Idle throttle position?
    • From the manual, it sounds like the only time to actually have throttle at Idle speed is just before shutting the engine down
    • The manual states not to run in Idle otherwise as it doesn't allow for proper cooling and flow
    • I assume this means I shouldn't run it at Idle when I'm "idling"? Many here on the forum have said when idling for a few minutes, throttle should be at 1/2

 

What do you all think? 

Edited by Alrashid2
edited title

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SylvanLakeWH

I have a K-241. 10 hp. Only time i set throttle to idle is when i'm shutting it down...

 

Remaining times full throttle. 

 

Winter use i let it warm up a minute or two then start plowing...

 

:twocents-twocents:

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8ntruck

Summertime, usually mowing,I'll start it at 1/2 throttle & full choke, back off to 1/2 choke when it fires, drop the deck, go to full throttle and start mowing.  I'll open the choke after maybe 30 seconds.

 

In cooler weather, say under 50 degrees, I'll let it warm up at 1/2 throttle a minute or two before going to work.

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stevasaurus

This is all common sence with an air cooled engine.  You're not just warming the engine block, you are warming up the oil...and possibly the gas through the carb.  The oil viscosity has a lot to do with how long to warm up.  The manual will tell you to run these engines with 30 wt in the summer and 10w-30 in winter (if you are in a cold climate).  I run 30wt all year because my tractors are garage kept and I always warm them up before plowing snow.  I don't think I have ever had to move snow when the temp is below 15 degrees.  Most of the plowing of snow happens in the high teens and 20's.  When I start the engine, it's 1/2 throttle and choked enough to start it.  I then keep adjusting the choke to keep it running smooth untill it is finally opened all the way.

   Remember, you are not just warming up the engine, you are also churning the gear oil (90 wt) in the transmission.  That oil can get real thick in 10 degree and below weather.  I have actually had the engine stall in winter because of a very cold tranns.  

   I guess the idea is, take your time, warm it up good and then enjoy the ride.  BTW, I think I saw a beverage holder on your horse...a hot totie would warm up the operator also.  :occasion-xmas:

2008_122909christmas0030.JPG

 

av.jpg.JPG

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Alrashid2

Thank you all for the advice and giving your experience! Definitely helps me. I know some of this might be common sense to you guys, but to me it was a bit unintuitive compared to what I'm used to with modern engines (example: idling in a car is OK while idling with a Kohler is a no go!)

 

@stevasaurus Thanks for the pics buddy! You look like youre having fun. Is that a 42" plow? I'll be buying a 42" from @davem1111 hopefully soon!

I'm hoping to run 30W oil all year as well. My tractor isn't garage kept, but I'll be sure to let her warm up nice and good before going to work. I'll rarely use this for snow plowing and more for refilling firewood from the house. I usually choose the nicest day of the week to do that anyhow, so doubt I'd be running much below 25F if at all. Great point about the gear oil! I hadn't even put together that the transaxle gears are moving around in there even when sitting still...

 

And I think you are thinking of another tractor with the cupholder - but now I want to see that too! You now have me thinking of buying a magnetic cup holder and putting one on mine... :P

Which now makes me think of another question I wanted to ask on here, though unrelated to this conversation: I'd like to put some sort of satchel or pouch on the back of my seat/tractor somehow... any ideas? Just to get the tractor out and moving, I have been using it to take rifles and ammo down and back from my little shooting range. It'd be nice to have a little something to throw some bullets and mags in!

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gwest_ca

Engine operator manual may help

 

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stevasaurus

Yes...42" blade.

   You have that nice receiver on that horse now, why not fabricate a device to come off that with the basket or what ever you need to haul the ammo and such ??  Might be able to even buy something that fits the receiver you can use.  :eusa-think:

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Alrashid2

@stevasaurus, you're one smart dinosaur :lol: I have a rather large hitch basket but I'll try to see if I can find a small one for that! Great idea!

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SylvanLakeWH

Milk crate bolted to a harbor freight winch plate that goes into 2" hitch... i use it for weight but you can use it for whatever...

 

 

IMG_2381.jpeg

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Alrashid2

My lord @SylvanLakeWH  that is exactly what I was envisioning! Totally looking into that now... maybe I can make a little wooden box or something out of scrap. Thank you for sharing! 


This place ROCKS :music-rockon:

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davem1111

Regarding carrying stuff with the tractor - I got these tool holders at Tractor Supply a while back and mounted them on the fender. They're great for carrying an axe, shovel. loppers, even a weed whacker as you can see here. Could probably carry a rifle on there, or maybe even make an "A" frame sticking up that you could put several pairs of these on, or a truck gun rack. Ammo box would be easy. The limit is how far your imagination can go....

 


GT-1848_weedwhacker.jpg.b89449a4862d2d2aa87a87157d5b90db.jpg
 

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RED-Z06

Im in Florida so usually never below 25⁰ long, i use 10w40 year round, once an engine catches, choke off, half throttle until i get where I need to be then wide open.  I like to remind people about air cooled generators, they start cold, full throttle instantly and run full throttle for days if needed...never seem to mind one but

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Alrashid2
13 minutes ago, RED-Z06 said:

Im in Florida so usually never below 25⁰ long, i use 10w40 year round, once an engine catches, choke off, half throttle until i get where I need to be then wide open.  I like to remind people about air cooled generators, they start cold, full throttle instantly and run full throttle for days if needed...never seem to mind one but

Yup very good point, didn't think about that... and the generator is under load too!

 

3 hours ago, davem1111 said:

Regarding carrying stuff with the tractor - I got these tool holders at Tractor Supply a while back and mounted them on the fender. They're great for carrying an axe, shovel. loppers, even a weed whacker as you can see here. Could probably carry a rifle on there, or maybe even make an "A" frame sticking up that you could put several pairs of these on, or a truck gun rack. Ammo box would be easy. The limit is how far your imagination can go....

 


GT-1848_weedwhacker.jpg.b89449a4862d2d2aa87a87157d5b90db.jpg
 

 

Oh now THAT is cool, Dave! I love that idea. I'll look into those too

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Racinbob

I know generators and some other things are fixed throttle but I still cringe when I hear a cold engine start up and immediately go full throttle. I use straight 30w all year in my K-Series and Magnum, 10w30 in the pressurized Command. My garage seldom gets below freezing. I'll run at low rpm for a few minutes then at whatever the job dictates. Full throttle for PTO driven attachments with some exceptions. My sickle bar mower is one of those. I've never worried about running a splash engine at low throttle. There's still plenty of air movement and do the math on how many times that little dipper slings oil around per second. No problem. 

 

Here's what I do for cargo and addition weight. 

 

1672410444_WeightBoxes.thumb.jpg.8f05ef549c597326f1485aaa3e707158.jpg

 

Both go into Lowells receivers. The box on the 76 is mounted on a ATV winch mount and fairly light. The box on the 05 was never intended for this use but converted later. It has a 2" solid bar and is heavy making it harder to mount/dismount but can hold pretty much unlimited weight. :)

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