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  #1  
Old 09-15-2018, 01:48 PM
LongPatrick LongPatrick is offline
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Default 1863. Kohler CH18 throttle issues.

Hi everyone this is my first post.

I completely rebuilt and restored my '92 1863, along with a fully rebuilt kohler CH18-62509

I've got an issue however, my throttle control is funky. Holds itself at full throttle, doesnt want to idle down. New governor gear was installed internally. I'm lost now. I've tried every adjustment possible.

I will attach some pictures to maybe aid in my diagnosis.

Thank you,
Patrick
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Old 09-15-2018, 01:52 PM
J-Mech J-Mech is offline
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Either you hooked up the linkage incorrectly, or it is not adjusted correctly. Not a hard problem to fix. Look at the linkage, figure it out and fix it.
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Old 09-15-2018, 02:29 PM
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cooperino cooperino is offline
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Quote:
Originally Posted by LongPatrick View Post
Hi everyone this is my first post.

I completely rebuilt and restored my '92 1863, along with a fully rebuilt kohler CH18-62509

I've got an issue however, my throttle control is funky. Holds itself at full throttle, doesnt want to idle down. New governor gear was installed internally. I'm lost now. I've tried every adjustment possible.

I will attach some pictures to maybe aid in my diagnosis.

Thank you,
Patrick
Hey Patrick!
Welcome to OCC
A couple pics would be good. You might just have the sensitivity set wrong. Lets see a couple pics
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Old 09-15-2018, 02:31 PM
J-Mech J-Mech is offline
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Quote:
Originally Posted by cooperino View Post
You might just have the sensitivity set wrong.
The governor's sensitivity adjustmentwon't keep it from idling down. The throttle set up will.
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Old 09-15-2018, 02:43 PM
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cooperino cooperino is offline
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Originally Posted by J-Mech View Post
The governor's sensitivity adjustmentwon't keep it from idling down. The throttle set up will.
Just figured spring could be pulling all the time if it were positioned incorrectly.
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Old 09-15-2018, 02:56 PM
J-Mech J-Mech is offline
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Quote:
Originally Posted by cooperino View Post
Just figured spring could be pulling all the time if it were positioned incorrectly.
If the throttle isn't set right, yes..... but the sensitivity position is irrelevant.
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Old 09-15-2018, 03:29 PM
nophun nophun is offline
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Did you adjust the governor to spec?
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Old 09-15-2018, 04:50 PM
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CubDieselFan CubDieselFan is offline
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Who installed the gear?
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Old 09-15-2018, 10:33 PM
LongPatrick LongPatrick is offline
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There should be a picture here. I tried adding it as an attachment. Let's see if this works.
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File Type: jpg 15370653259623529960964910770085.jpg (33.0 KB, 101 views)
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Old 09-15-2018, 10:57 PM
J-Mech J-Mech is offline
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Yep. That's a pic of the throttle and choke linkage/mechanism.

You didn't answer the questions though: Did you properly set the governor shaft?
If not, you need to do that.
I keep my original opinion that you don't have the throttle linkage adjusted correctly.
And yes.... the governor spring is set too sensitive. While that is not the issue, it's too far back on the governor arm. Third hole from the end if memory serves, but you need to check the manual. Move it to that spot BEFORE you calibrate the linkage.... but after setting the governor shaft if you didn't do that.
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