Author Topic: Factory Tools?  (Read 899 times)

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Offline farmboy

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Re: Factory Tools?
« Reply #10 on: May 29, 2014, 10:53:01 pm »
I used the Husky case splitter on 7900. 
Shep

Offline KilliansRedLeo

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Re: Factory Tools?
« Reply #11 on: May 30, 2014, 07:49:56 am »
Thanks guys for all your help. The saw came from Vermont from a guy I used to work with. He done blew it up! However later I will put up another thread with pictures of the piston and cylinder. Both the piston and cylinder are scored, the piston top however is full of BB sized pits. Saw obviously ingested something. It also appears that someone has been in it before because of a layer of silicone on the case joint under the muffler.
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Offline 660magnum

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Re: Factory Tools?
« Reply #12 on: May 30, 2014, 09:54:04 am »
I'm sure it will be in good shape when you get done with it.
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Offline Nathaniel Vansickle

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Re: Factory Tools?
« Reply #13 on: May 30, 2014, 01:40:47 pm »
husky splitter works on these and i think same for clutch. only special tool that is nice to have is the sleeve to install the seal and the driver for the seal. there is a lip on the crank that makes installing the seal impossible without rolling the lip. tape, plastic bottle, film negative or similar takes the place of the sleeve and measure the seal depth before disassembly makes the driver not needed.
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Offline KilliansRedLeo

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Re: Factory Tools?
« Reply #14 on: May 30, 2014, 02:08:41 pm »
Nate, if you have that tool and the sleeve in stock add them to my order.
"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

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Offline KilliansRedLeo

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Re: Factory Tools?
« Reply #15 on: May 30, 2014, 04:35:20 pm »
Not only does the HVA case splitter work, so does the flywheel side crank installation tool work to get the flywheel off without damage to the crank threads and the 288 seal sleeve will also work on the step in the clutch side seal installation as Nate mentioned!

Should have all the parts from Nate in a few days to begin reassembly.

Also found the reason the saw blew up. Looks like an air leak on the clutch side that caused the ring to stick in the piston groove just to the right of the exhaust port, then the ring caught in the ports on the flywheel side and broke parts out both above and below the ring groove. Unbelievably the ring remained in one piece!

I will put up some pics tomorrow, right now it is beer-thirty!

Thanks for everyone's help!
"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

Thomas Jefferson
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Offline Nathaniel Vansickle

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Re: Factory Tools?
« Reply #16 on: May 30, 2014, 07:08:58 pm »
I assume you don't need the seal tools now. make sure on reassembly to "glue" the bearings in the case. heard of it but haven't seen it personally. the bearings will spin in the case.
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Offline 660magnum

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Re: Factory Tools?
« Reply #17 on: May 30, 2014, 07:20:46 pm »
I assume you don't need the seal tools now. make sure on reassembly to "glue" the bearings in the case. heard of it but haven't seen it personally. the bearings will spin in the case.

Gluing the bearings in is typical of all the newer Solo collaboration Dolmar chainsaws from this century.
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Offline KilliansRedLeo

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Re: Factory Tools?
« Reply #18 on: June 01, 2014, 10:56:55 am »
The WM I have specifies LocTite 601 for the bearing glue . In researching 601 I find that there is an improved 'oil tolerant' formula LocTite 603. Both of the products are expensive 30$ for a small amount. Anyone tried the 603 product or have another recommendation?
"When the people fear the government...you have tyranny....When the government fears the people....you have liberty"

Thomas Jefferson
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Offline 660magnum

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Re: Factory Tools?
« Reply #19 on: June 01, 2014, 11:09:37 am »
Those Service Manuals were written back in the early part of the century.
We should share what we know... someone may learn...
That knowledge can live after us... and that "Pays It Forward".
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