Author Topic: Husqvarna 562xp 555 differences  (Read 6432 times)

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Offline mweba

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Husqvarna 562xp 555 differences
« on: January 16, 2012, 09:04:26 am »
I've had some time to study these saws in the last couple days.  Yesterday a couple of us got together to run my old 555 against the 562 in some hard wood.  Got some video and noted some differences. 

Include but not limited to....
Rear antivibe has a nylon limiting strap
top cover obviously has more clearance for the larger filter (both are interchangeable between saws)
562 clutch cover is "taller" to accomodate the large mount bar
Cylinder casting and part number are the same but the transfer caps on the 562 cylinder are visibly deeper
562 has crank stuffer
Ignition part number is different but I have my suspicions the the flashed software is the only difference....(hopefully the diagnostics tool is capable of flashing)

The 562 holds near 1k more rpm in the cut with similar pressure applied.

This may or may not be everything but a good start.

http://www.youtube.com/watch?v=UBkRB0Vbg5Y&feature=g-upl&context=G2494f10AUAAAAAAACAA

O ya and the paint LOL

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Offline w8ye

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Re: Husqvarna 562xp 555 differences
« Reply #1 on: January 16, 2012, 09:46:18 am »
The transfer covers are not available separately

Offline mweba

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Re: Husqvarna 562xp 555 differences
« Reply #2 on: January 16, 2012, 09:55:39 am »
Nope but I don't think it would be difficult to replicate.   Mdavelee has some ideas

Offline w8ye

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Re: Husqvarna 562xp 555 differences
« Reply #3 on: January 16, 2012, 10:04:10 am »
Here's a couple pictures of the transfer cover. That would be a lot of mill work?




Offline mweba

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Re: Husqvarna 562xp 555 differences
« Reply #4 on: January 16, 2012, 10:15:02 am »
Was thinking about adding material then grinding a bit???

I'm terribly unskilled so I'll probably just grab every straight gasses cylinder the local shops get ;D           Or just lazy

Offline w8ye

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Re: Husqvarna 562xp 555 differences
« Reply #5 on: January 16, 2012, 10:23:16 am »
Yes,

I had to go do a chore but was thinking one could take a 555 transfer cover and make it deeper by cutting a grove in it and attaching a new cover piece over the original 555 transfer.

If there is too much zinc in the metal to weld, and you may not be able to weld it anyway for the new part would be a different aluminum alloy, the new cap would have to be JBweld attached? There is not a tremendous amount of heat there

Offline Cut4fun .

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Re: Husqvarna 562xp 555 differences
« Reply #6 on: January 16, 2012, 12:21:03 pm »
Nice mweba.

 Just so we could save them from the ebay ad. We have a thread here some where with the 562 stripped all the way down.
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Offline Cut4fun .

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Offline mdavlee .

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Re: Husqvarna 562xp 555 differences
« Reply #8 on: January 16, 2012, 06:36:20 pm »
I was thinking of doing it by hand and then having it finished at a machine shop. I would imagine it could be done it a few hours with basic air or electric grinders. Getting the mating surface perfectly flat and the groove put in it for sealing would be the parts I would have to farm out.

Offline w8ye

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Re: Husqvarna 562xp 555 differences
« Reply #9 on: January 16, 2012, 09:05:20 pm »
IMHO the difference between the 555 and the 562 is the depth of the transfer cover if the cylinders have the same casting number.

It would be more simple to hand grind a hole down through the top of the 555 cover and JBWeld or aluminum solder a new piece of aluminum on top of the 555 transfer cover to make it deeper by the thickness of the metal in the cover. It could all be done by hand and not require any machine shop work?

It is such an irregular shape that even the machine shop would have to do much of it by hand.

The cover will have so much zinc in the metal that it will be impossible to actually weld on it?

When there is a lot of zinc in an aluminum die casting such as these covers and you try to weld it, as it gets up to temperature for the metal to join, the whole part will suddenly disappear into a puddle of molten metal.

If you get into making those groves for the gasket when making a entirely new part, it would be an impossible task.

One might could utilize old covers from a trashed 562 cylinder on a new 555 cylinder?

 

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