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Messages - Mick

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Lawn mowers / Re: Who's got one of the new Hayter Harrier's
« on: January 22, 2020, 10:13:50 PM »
No problem.  Hopefully you'll find the cause of it.  ;)

Lawn mowers / Re: Who's got one of the new Hayter Harrier's
« on: January 22, 2020, 08:51:35 AM »
Ok I’ll look into it. Thanks

Greg.  This is easily checked, if you (standing behind machine) turn the machine on to its R/H side.  Remove blade and disc, remove the three screws situated behind where disc sits, and the two screws further back on that cover, where it bolts to rear of deck.  Pull that cover off and you should be able to get your hand in and feel what's happening in there.  Check small drive pulley nearest to engine isn't loose, and while there check the top pulley half of the bbc isn't moving about as well, it should be solid on its hub.

Strimmers and BrushCutters / Re: Kawasaki kbh34a
« on: January 21, 2020, 08:13:33 PM »
Ok, measured the tube on the Stihl Combi attachment and it appears to be 25mm, the Echo one that I found was 26mm.  So we can rule those out of the equation for now.  :(

Strimmers and BrushCutters / Re: Kawasaki kbh34a
« on: January 20, 2020, 10:08:00 PM »
Hi Greg, and welcome to TGMF

The heads on the Stihl Combi systems use a square drive, but I'm not sure on the tube diameter unfortunately.

Other machine that I know uses a square drive is the ECHO HCA2500 long reach, but again I'm not sure on the tube size.

If I remember I'll try and measure one, or both when I get to work. ;)

Lawn mowers / Re: Who's got one of the new Hayter Harrier's
« on: January 19, 2020, 10:00:45 PM »
Variable speed?

Rattle is probably something to do with the bbc mechanism I would think.  Take blade and disc off and see if the drive pully is loose where it slides onto the top of the bbc  I've seen this happen on the 48 Pro's

Lawn mowers / Re: Who's got one of the new Hayter Harrier's
« on: January 19, 2020, 08:01:58 PM »
Greg, did you find the cause of that horrible noise your Harrier 56 Pro was making? I saw your video on Facebook, but couldn't hear it clearly enough to come up with a definitive answer.  Maybe post it here as well, so people can offer their ideas.

Lawn mowers / Re: Roller mowers and gearboxes.
« on: January 12, 2020, 11:51:54 PM »
Barrie,  I absolutely agree will all you just said.  I'm wondering if this is why some (not all) of the modern gearboxes seem to engage more like a dog type clutch, they're either in or out, nothing in between any more.

1) and 2) Agreed again.  In addition, people who crush and bend the cables when folding / unfolding handles really doesn't help, and continued use with the clutch cable in that state is only going to go one way.  They could save themselves a lot grief and money just by looking after the cable.

3) Already seen this happening on the new Hayter Harrier pro's because they're much to fast.

4)  Especially recommended for Honda HRD 536 QX and HRH 536 QX machines.  Just wish the operators would listen. Those boxes are expensive to repair.  Another thing that bugs me about these is the clutch cables, they use a coated inner, and they roughen up and go stiff after a while.  No way do you want the clutch engaging slowly on one of these machines, or it'll soon be jumping on the drive.

Lawn mowers / Re: Who's got one of the new Hayter Harrier's
« on: January 12, 2020, 08:43:21 PM »

I did the speed reduction kit on the 41, easy to do.  Seemed that the chain cover was exactly the same to me. However I did use the new one.

The 41 speed reduction kit just comprises of a replacement chain cover,  fresh gearbox sprocket, and a larger roller sprocket and longer chain to suite.  If you look inside the back of the original cover you'll see a lump just inside which has been removed in the new cover that comes with the kit.  This is to stop the larger sprocket from touching that internal lump.

Speeds:  I realise that many Pro users complained about the Harriers being too slow, but  they appear to be all over the place with the new Harriers.  The 48 Pro without the reduction kit travels at around 3.4 mph, fitting the kit brings it down to 3 mph.

The Toro Prostripe does a speed of 3.2 mph in top gear, so the Harrier with speed reduction is only 0.2 mph slower, and you're stuck with that speed full time. 

The variable speed system that nearly all the makers have adopted now, Stihl / Viking, Cobra, and Hayter to name a few,  seems very inconsistent. Speed will change (increase) as the belt wares, so some identical machines will be faster than others.  Cables are an absolute nightmare to change on these systems as well.

Although I'm not big fan of the drive changes, the manufacturers are in a position where they can't please everyone all of the time.  That I can fully understand.

Lawn mowers / Re: CHAIN COVERS
« on: January 12, 2020, 05:09:28 PM »
They're all cutting costs where this is concerned.  The Weibang ones used to ware through as they were thin all over, looks like they might have listened at last and beefed it up where needed.  Hayter used to weld a small metal strip to their roller frames just under the chain covers, but no longer do this.  I guess they will sell a lot of covers like they have since the Harrier 480.  ;)

Lawn mowers / Re: Roller mowers and gearboxes.
« on: January 12, 2020, 04:40:06 PM »
Hi Greg.  They're pretty shabby mowers to be fair.  Some better than others, but built to a price.   

Lawn mowers / Roller mowers and gearboxes.
« on: January 12, 2020, 02:45:54 PM »
Seems these days the gearboxes on most machines have gone to a what feels like a internal dog clutch, rather than a multi plate, or cone type clutch.

This is great and makes for a more positive drive, and of course doesn't slip and wear out as much.  Also means you're not having to constantly adjust it.

However, I worked on some roller machines recently, one of the Cobra roller mowers which they have fitted a massive and really heavy rear roller.  Gearboxes seem to fail on these quite frequently, so I can only assume it's the weight of the roller causing the failure. Having to bring this heavy (I mean really heavy) object up to speed in a blink of an eye can't be doing it any favors.   

Anyone else seen similar problems with the Cobra's

General Discussion / Re: Show us the gardening deals
« on: January 08, 2020, 07:45:01 AM »
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Strimmers and BrushCutters / Re: Stihl fs66 strimmer
« on: December 22, 2019, 11:56:31 AM »
Thanks I appreciate your help on this . I've had another look and bent the spring nice and flat but it still works it s way off the trigger once you put everything back together. It's basically laying on top of the on off switch which seems kinda weird to me also.

Well trying to find one at work didn't go well they've just had a clear out, and what got thrown out, yes, one of those control units complete with drive tube.  Ok so we'll have to think of some other way to resolve this.

That spring you mentioned.  Pretty sure it (or one of them) should actually link to the stop button to flick it off of fast idle when you squeeze the trigger.   When you set it to the start position it would lock the throttle open slightly, and once started you'd squeeze the trigger to release the trigger back to idle.  Pushing the switch fully the other way would turn engine off.

Strimmers and BrushCutters / Re: Stihl fs66 strimmer
« on: December 20, 2019, 07:14:06 AM »
Still finding it difficult to explain how and where things go from those pics.  I'll see if I've got one of those control housings at work, and try and work something out.  ;)

Strimmers and BrushCutters / Re: Stihl fs66 strimmer
« on: December 17, 2019, 10:46:37 PM »
I've repaired loads of them, but have to say it's a real job to explain exactly where things go in writing.  But we'll have a go.  Some pics would be really handy actually, if you could attach one or two to a reply it would be great.

Click the "Attachments and other options " link below when posting, you'll see a browse button to upload your images.

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