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Author Topic: B&Q try3.5plma won't rev up  (Read 273 times)

Offline TheSoulDoctor_123

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B&Q try3.5plma won't rev up
« on: September 08, 2020, 10:24:30 AM »
Ok, Hi there,

I've just joined this forum, so not sure if I'm even posting to the right bit, but here goes!!  I'm learning about little engines bit by bit, so I've got a couple of mowers to strip and play around with.
I'm having a look at one of those little B&Q mowers (try3.5plma hand propelled) that isn't working quite right...

It starts up first pull on choke, then appears rev-wise to idle on choke, it will sit there doing that all day.  When you let the throttle lever go, there's no change, it stays at low revs all the way down the lever.  Ive taken the air filter off to have a look in the carb, the choke butterfly closes on choke, and moving the lever, it goes all the way open too.  I took the carb off quickly last night thinking maybe the main jet is blocked, but haven't found anything in the twilight.  Is there something that I've missed?  The govenor appears to be doing it's thing, the screw to limit it's movement is dialled right the way out, so I don't know if it's meant to be like that?

Thanks for any help/ideas,

John.



Online Mick

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Re: B&Q try3.5plma won't rev up
« Reply #1 on: September 08, 2020, 04:51:04 PM »
Hi John, and welcome to TGMF

Sounds like either the throttle shaft is stuck, or Governor spring isn't attached to the linkage.  Do you have a pic of the top of the carb with linkage please?

Offline TheSoulDoctor_123

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Re: B&Q try3.5plma won't rev up
« Reply #2 on: September 08, 2020, 09:27:48 PM »
Thanks for the welcome,  Mick.  I'll try nd get a couple of snaps sorted tomorrow evening once I get home from work. Thank you,
John

Offline TheSoulDoctor_123

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Re: B&Q try3.5plma won't rev up
« Reply #3 on: September 09, 2020, 09:24:00 PM »
It might be tomorrow before I can sort this one out, Mick. I've got to work out a way to compress the pictures before I can send them, and nothing is obvious on my phone camera!!
Sorry,
John.