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Question on rotary briggs and stratton

#1

G

Gpav6

Hello there i have a qual cast briggs and dtratton lawnmower and today a random spring came out. This is odd to me therefore i would appreciate some help finding out what its name is and where it goes


#2

G

Gpav6

imagells.jpg
Here it is


#3

M

motoman

gpav, Not familiar with your machine, but the spring has classic look of throttle return to me. Maybe governor if you have one.


#4

G

Gpav6

motoman said:
gpav, Not familiar with your machine, but the spring has classic look of throttle return to me. Maybe governor if you have one.
Click to expand...

No the govenor is fine.
Hmmm
Its a self propelled 148cc


#5

exotion

exotion

Gpav6 said:
No the govenor is fine.
Hmmm
Its a self propelled 148cc
Click to expand...

Usually the only springs on mowers are governor/throttle, self propel transmission return, and blade clutch


#6

G

Gpav6

exotion said:
Usually the only springs on mowers are governor/throttle, self propel transmission return, and blade clutch
Click to expand...

Hmm thanks for that i know it fell from the bottom so im guessing its self propell transmission. However even without the spring the lawnmower works ok


#7

exotion

exotion

Gpav6 said:
Hmm thanks for that i know it fell from the bottom so im guessing its self propell transmission. However even without the spring the lawnmower works ok
Click to expand...

It kinda looks like the sspring that connects the govenor to the back plate of the air filter the governor arm has a little loopdy loop in it before the carb that has a spring that connects to the plate on the other side of the carb.

The transmission spring is what pulls the transmission back to "neutral" position

The clutch spring at least in the proline engages the blade brake system. I'm thinking its the first one I know there is a better way to describe it but I am at a loss for words


#8

G

Gpav6

exotion said:
It kinda looks like the sspring that connects the govenor to the back plate of the air filter the governor arm has a little loopdy loop in it before the carb that has a spring that connects to the plate on the other side of the carb.

The transmission spring is what pulls the transmission back to "neutral" position

The clutch spring at least in the proline engages the blade brake system. I'm thinking its the first one I know there is a better way to describe it but I am at a loss for words
Click to expand...

The govenor and the other spring is all in good nick. I just cannot find where it is missing from


#9

EngineMan

EngineMan

Looking at the photo it looks too clean to have come off any working mower, did you clean it up a little before posted..?

Could it not be a wheel height adjuster spring....!:licking:


#10

G

Gpav6

EngineMan said:
Looking at the photo it looks too clean to have come off any working mower, did you clean it up a little before posted..?

Could it not be a wheel height adjuster spring....!:licking:
Click to expand...
I did not clean it .
I will have to check that thanks


#11

EngineMan

EngineMan

If I had to put money on it, I would say it was (is) the drive cable return spring. but you have said that is working...!


#12

G

Gpav6

EngineMan said:
If I had to put money on it, I would say it was (is) the drive cable return spring. but you have said that is working...!
Click to expand...
No i mean the govenor spring under the air filter and the other apring alongside that is working


#13

EngineMan

EngineMan

Then the next question, which maybe should have been the first, is how hard is it to pull...?


#14

G

Gpav6

EngineMan said:
Then the next question, which maybe should have been the first, is how hard is it to pull...?
Click to expand...

Pull what sorry? Its self proppelled


#15

EngineMan

EngineMan

The spring, not the mower....!:confused2:


#16

G

Gpav6

EngineMan said:
The spring, not the mower....!:confused2:
Click to expand...
Oh sorry, and it is rather hard to pull


#17

EngineMan

EngineMan

Then its not a carb or gov spring........:smile:


#18

pugaltitude

pugaltitude

Assuming its a newish qualcast made by husqvarna then the spring should go on the gearbox and then clip in a hole under the grass flap.
See attached pics.
It usually comes off because instead of letting the self propel work at its own speed, users usually push it faster than the self propel which then slackens the belt which takes tension off the spring which makes it pop off.

Attachments







#19

EngineMan

EngineMan

Nice one pugaltitude.......well done...:thumbsup:


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