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Joined: Jan 2012
Posts: 1,842
Likes: 14
Moderator
Originally Posted by NormK
You would think the blade turn up/down would give him some idea something was not quite right, but they are out there and the problem is they also breed.
Yer. No clues, and no common sense, either.

It's not as if it's as hard to access 'how-to' info as it once was, before the interwebs.

I remember those days all too well, and I seriously wouldn't want to return to them!
That said, one does need to have a working 'bullshit filter', to make effective use of what info's out there, in cyberspace.


Cheers,
Gadge

"ODK Mods can explain it to you, but they can't understand it for you..."

"Crazy can be medicated, ignorance can be educated - but there is no cure for stupid..."
Joined: Feb 2006
Posts: 4,675
Likes: 165
SENIOR TECHNICIAN
With the way the Gumtree mower's been set up, it's not going to cut properly. That's just lazy and doesn't instill confidence in the type of seller or the mower itself.


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
Joined: Feb 2006
Posts: 4,675
Likes: 165
SENIOR TECHNICIAN
Hi all,
my neighbour just left the Wesco for me to top the oil up for him. He says it's blowing blue smoke a lot of the time and in the three months or so since I put new oil in, the dip stick read about 3/4 full (1/4 consumed).
When I tested it, it shoots a plume of blue smoke before clearing for a few moments but the smoke starts slowly returning until it's blowing constantly and filling the yard with a blue haze.
I shut it down and let it rest for a while but it did the same thing when I test mowed with it.
Could it be the valves need adjusting or has damage occurred as a result of the very low oil level it had when I first changed the oil three months ago?


Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
Joined: Jul 2018
Posts: 2,101
Likes: 81
SENIOR TECHNICIAN
Could be pcv valve under flywheel

I would start with valves.

Rev it hard off idle and see how the smoke is

What oil did you put in MF - I had an issue with one batch of gulf western. Would smoke after a few mows (not the wesco). Changed it out with Nulon and no problem. Yet other mowers are fine on it.

Is the oil sludgy again

Joined: Feb 2006
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SENIOR TECHNICIAN
Hi Tyler,

when you say PCV valve under flywheel, is it faulty or just getting overwhelmed with oil somehow? Do you mean the flywheel has to come off to get to it?

Oil looks ok on white paper serviette and not sludgy.
See pics.

I discovered I've got a bottle of sae 30 oil. Should I tip this oil out and put that in?

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IMG_20200720_220925-800x452.jpg (33.13 KB, 23 downloads)

Ahh, if only victa had kept producing the thumblatch catcher series, they would be in better shape today!
Joined: Jan 2013
Posts: 961
Likes: 20
Moderator
Hi MF and all,
Disconnect the hose from the crankcase breather that goes to the airbox. If it drips oil and stops smoking then yes, it's the PCV valve. If it still smokes it's more than likely rings or a scored bore in which case it's stuffed. The oil isn't important just yet.
Cheers, Ted

Joined: Jul 2018
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SENIOR TECHNICIAN
I agree with bigted's troubleshooting (it will nearly certainly pinpoint the problem), but have a caveat regarding the oil - I have know some of these cheaper oils to really shear down quickly. 15w40 is a very shear resistant oil, but still possible.

Presumably, the neighbour has had it 3 or 4 months, so maybe around 8-10 hours run time (that would be how much I would have put on it anyway if I were using it every fortnight/) which could see it shear - especially if run hard/the cooling fins are blocked.

I would personally tip it out, keep it (because its probably fine), and put some more KMX in. If it stops, you know its shearing too quickly.


Also, didn't know Kmart KMX was made in 15w40 - only ever seen 20w50 - learn something new everyday

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