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loose/wobbles throttle quadrant
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- Cub Star
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loose/wobbles throttle quadrant
Anyone have a fix for a loose/wobbles throttle quadrant?...from that I can tell everything is still there I lubed up all the pivot points and the washer and spring. when I move the throttle up or down the whole quadrant moves, almost like it needs a washer on the cap nut side to take up the play.
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Re: loose/wobbles throttle quadrant
is the pivot stud factory or aftermarket ? are the threads ok , if it has the castle nut on it is it bottomed out, does it have a lock washer between the stud and castle nut ?
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- Cub Star
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Re: loose/wobbles throttle quadrant
factory....threads seem ok...capped nut is bottomed out...there is no lock washer. is there supposed to be one??..it would make sense.
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Re: loose/wobbles throttle quadrant
yes a lock washer
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- Cub Star
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Re: loose/wobbles throttle quadrant
good to know.....Ill go ahead and just take the whole assembly off and get it painted.....another trip to the hardware store!!
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Re: loose/wobbles throttle quadrant
Hi,
The throttle sector should be tight on the steering wheel support post.
I would look and see if all the parts are there, I can't see in the pic of your Cub if the quadrant for the Touch Control lever is there. If someone took it off, and didn't put a spacer on the shaft to replace the thickness of it, the throttle sector won't tighten on the post. The quadrant bolts to the post using the covered nut.
Below are pics from TM Tractor Parts.
http://www.tmtractor.com/tm-tractor/ghy ... er_001.htm
The 2 stops aren't there in the pics below.
http://www.tmtractor.com/tm-tractor/ghy ... ad_001.htm
Before painting the throttle lever and sector, look closely for wear on them. When they get worn enough, the lever won't stay ahead, because of the throttle spring pulling it to the rear, and the lever slips back during use.
Sometimes the notches on the sector can be improved by using a small 3 cornered file on them.
The lever can wear where it touches on the notches, it may need building up with welding and grinding it to the original shape, or replacing it.
Below are pictures.
The 1st pic shows a new sector, and how the notches look.
The 2nd and 3rd pics, from TM Tractor Parts, show the shape of the throttle lever where it touches on the sector.
The throttle sector should be tight on the steering wheel support post.
I would look and see if all the parts are there, I can't see in the pic of your Cub if the quadrant for the Touch Control lever is there. If someone took it off, and didn't put a spacer on the shaft to replace the thickness of it, the throttle sector won't tighten on the post. The quadrant bolts to the post using the covered nut.
Below are pics from TM Tractor Parts.
http://www.tmtractor.com/tm-tractor/ghy ... er_001.htm
The 2 stops aren't there in the pics below.
http://www.tmtractor.com/tm-tractor/ghy ... ad_001.htm
Before painting the throttle lever and sector, look closely for wear on them. When they get worn enough, the lever won't stay ahead, because of the throttle spring pulling it to the rear, and the lever slips back during use.
Sometimes the notches on the sector can be improved by using a small 3 cornered file on them.
The lever can wear where it touches on the notches, it may need building up with welding and grinding it to the original shape, or replacing it.
Below are pictures.
The 1st pic shows a new sector, and how the notches look.
The 2nd and 3rd pics, from TM Tractor Parts, show the shape of the throttle lever where it touches on the sector.
Last edited by Glen on Sat Jan 06, 2024 8:20 pm, edited 1 time in total.
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Re: loose/wobbles throttle quadrant
You can use a Dremel with a cutting disc to repoint the notches in the sector if necessary.
KB3WBB
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Re: loose/wobbles throttle quadrant
Just an operator’s tip…..when you make throttle adjustment pull the lever OUT then slide the throttle arm. The reason the throttle lock plate gets worn out is lazy operator’s just slide the throttle back and forth on that locking plate and it wears out prematurely.
I agree with Radioguy41 that a dremel does help restore the correct notches however when metal is gone it’s gone forever.
NJ Farmer
I agree with Radioguy41 that a dremel does help restore the correct notches however when metal is gone it’s gone forever.
NJ Farmer
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