From: Snapper on
I bought a Ryobi electric chainsaw from Bunnings last week for use around the
property trimming various hedges and trees. It is ideally suited to the task,
except for one thing - the chain keeps flying off.

The drive sprocket has no provision to keep the chain from moving sideways and
off it. Instead of having a collar or flange on the outside there is nothing.
So, I'm cutting into a branch and suddenly the chain comes off and is dangling
there.

Today I returned to Bunnings to have a look at their other chainsaws on display.
While the display stock for the Ryobi was the same as mine (I was hoping that my
example would have had the wrong sprocket fitted) the other brands on display
such as GMC and Ozito did have a collar or flange to prevent the chain from
coming off.

I then spoke to a Bunnings employee who supposedly specialises in Power Garden
(the section where I bought it from). He contacted Ryobi who said to simply
exchange it. They went on about it being a bad one in a batch of a thousand to
roll off the production line.

It seemed that they couldn't grasp the issue that the design was flawed.

He also went on about warranty being between myself and Ryobi and that the
"contract" of sale or whatever, when it comes to replacement or refunds wasn't
between the consumer and the retailer, rather it was up to the distributor as to
how this went down.

Anyway, I'm going to pack the saw up and return it for an exchange. I'll give
them the benefit of the doubt. When it happens again I shall return it for a
full refund and will see what happens.

In the meantime I've written to Consumer Affairs Victoria seeking advice on this
matter.
From: Fred on
Could be user error. The chain tension on a new chainsaw needs to be
constantly checked and adjusted if necessary every few minutes.
That should be covered in the instruction manual.
Failure to do so will likely result in the chain flying off the bar.


"Snapper" <snapper_won(a)yahoo.com.au> wrote in message
news:de60p3pn9amm0vhr0koud80lbl7hnq3v5h(a)yarwho.com...
>I bought a Ryobi electric chainsaw from Bunnings last week for use around
>the
> property trimming various hedges and trees. It is ideally suited to the
> task,
> except for one thing - the chain keeps flying off.
>
> The drive sprocket has no provision to keep the chain from moving sideways
> and
> off it. Instead of having a collar or flange on the outside there is
> nothing.
> So, I'm cutting into a branch and suddenly the chain comes off and is
> dangling
> there.
>
> Today I returned to Bunnings to have a look at their other chainsaws on
> display.
> While the display stock for the Ryobi was the same as mine (I was hoping
> that my
> example would have had the wrong sprocket fitted) the other brands on
> display
> such as GMC and Ozito did have a collar or flange to prevent the chain
> from
> coming off.
>
> I then spoke to a Bunnings employee who supposedly specialises in Power
> Garden
> (the section where I bought it from). He contacted Ryobi who said to
> simply
> exchange it. They went on about it being a bad one in a batch of a
> thousand to
> roll off the production line.
>
> It seemed that they couldn't grasp the issue that the design was flawed.
>
> He also went on about warranty being between myself and Ryobi and that the
> "contract" of sale or whatever, when it comes to replacement or refunds
> wasn't
> between the consumer and the retailer, rather it was up to the distributor
> as to
> how this went down.
>
> Anyway, I'm going to pack the saw up and return it for an exchange. I'll
> give
> them the benefit of the doubt. When it happens again I shall return it for
> a
> full refund and will see what happens.
>
> In the meantime I've written to Consumer Affairs Victoria seeking advice
> on this
> matter.


From: Mr.T on

"Fred" <bluser(a)gmail.com> wrote in message
news:5vb7jkF1lgk51U1(a)mid.individual.net...
> "Snapper" <snapper_won(a)yahoo.com.au> wrote in message
> news:de60p3pn9amm0vhr0koud80lbl7hnq3v5h(a)yarwho.com...
> >I bought a Ryobi electric chainsaw from Bunnings last week for use around
> >the
> > property trimming various hedges and trees. It is ideally suited to the
> > task,
> > except for one thing - the chain keeps flying off.
> >
> > The drive sprocket has no provision to keep the chain from moving
sideways
> > and
> > off it. Instead of having a collar or flange on the outside there is
> > nothing.
> > So, I'm cutting into a branch and suddenly the chain comes off and is
> > dangling
> > there.
> >
> > Today I returned to Bunnings to have a look at their other chainsaws on
> > display.
> > While the display stock for the Ryobi was the same as mine (I was hoping
> > that my
> > example would have had the wrong sprocket fitted) the other brands on
> > display
> > such as GMC and Ozito did have a collar or flange to prevent the chain
> > from
> > coming off.
> >
> > I then spoke to a Bunnings employee who supposedly specialises in Power
> > Garden
> > (the section where I bought it from). He contacted Ryobi who said to
> > simply
> > exchange it. They went on about it being a bad one in a batch of a
> > thousand to
> > roll off the production line.
> >
> > It seemed that they couldn't grasp the issue that the design was flawed.
> >
> > He also went on about warranty being between myself and Ryobi and that
the
> > "contract" of sale or whatever, when it comes to replacement or refunds
> > wasn't
> > between the consumer and the retailer, rather it was up to the
distributor
> > as to
> > how this went down.
> >
> > Anyway, I'm going to pack the saw up and return it for an exchange. I'll
> > give
> > them the benefit of the doubt. When it happens again I shall return it
for
> > a
> > full refund and will see what happens.
> >
> > In the meantime I've written to Consumer Affairs Victoria seeking advice
> > on this
> > matter.

> > Could be user error. The chain tension on a new chainsaw needs to be
> constantly checked and adjusted if necessary every few minutes.
> That should be covered in the instruction manual.
> Failure to do so will likely result in the chain flying off the bar.


Or more likely the chain sprocket and bar are simply mis-aligned . The chain
needs to be pretty loose before it comes off, and I've never seen that
happen in a "few minutes" after being correctly tensioned, even with a new
chain.

MrT.



From: Snapper on
Fred wrote...

> Could be user error. The chain tension on a new chainsaw needs to be
> constantly checked and adjusted if necessary every few minutes.
> That should be covered in the instruction manual.
> Failure to do so will likely result in the chain flying off the bar.

Yep, we thought that. However, all the other chainsaws that we looked at have a
flange/washer arrangement on the outer side of the drive sprocket so the chain
just can't slip off sideways.

And yeah, the chain was tightened up more than a drum skin at one stage.

When cutting through a branch it was happening if say there was sideways
pressure on the bar that caused it to flex.

Anyway, I'm going to take the sprocket off, take it into work, machine it down
to the required width to accomodate a stainless washer that will fit on the
outside of it and so the circlip can retain it all as one unit.

Just like the el cheap Ozitos and GMC saws have...

From: Snapper on
Mr.T wrote...

> Or more likely the chain sprocket and bar are simply mis-aligned . The chain
> needs to be pretty loose before it comes off, and I've never seen that
> happen in a "few minutes" after being correctly tensioned, even with a new
> chain.

Me neither. I've been using chainsaws since I was a young chap in the quest (a
never ending one, mind you) for firewood, helping clearing rainforests on mates'
farms and the like.

The sprocket doesn't have any provision to retain the chain from going sideways
and slipping off the sprocket. All the other ones that we looked at did.

I'll have another look at it before I decide whether to return it for a refund
and get something else.
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