McCulloch Chain Saws

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Just wrenched on another MM30 and this one has a vacuum leak too. I need to order a ton of seals, just going to change em out on every saw now. I made a thread in the main forum but wheres a good place ONLINE to order McCulloch 83859 crankshaft seal's?

A question for those who have dealt with this subject-did McC manufacture their own seals? Or is there a OEM pn on the seals as well as the Mac pn? My experience with most engines and equipment I have worked on over the last 30+ years, is that Garlock, National, and Chicago Rawhide made most all the seals for anything built back in the day. SKF(owned now by Timken) owns most of the old seal OEMs now and one of the best sources for ANY seal currently available is Applied.com Industrial Supply, Industrial Bearings, Material Handling, Power Transmission, Fluid Power Products | Applied Industrial Technologies | Applied.com | Applied.com I hope you are able to get the parts you need.
 
A question for those who have dealt with this subject-did McC manufacture their own seals? Or is there a OEM pn on the seals as well as the Mac pn? My experience with most engines and equipment I have worked on over the last 30+ years, is that Garlock, National, and Chicago Rawhide made most all the seals for anything built back in the day. SKF(owned now by Timken) owns most of the old seal OEMs now and one of the best sources for ANY seal currently available is Applied.com Industrial Supply, Industrial Bearings, Material Handling, Power Transmission, Fluid Power Products | Applied Industrial Technologies | Applied.com | Applied.com I hope you are able to get the parts you need.

I was actually recommended to an online source and found a good price on them. I was pissed looking on feebay because they wanted $12 per seal which is sick considering the mini's are only worth $5. I ordered a bunch to get a few saws going, we will see how it works out.
 
Flatback parts and pieces

So I was going to rebuild a flat back today and started to take it apart. I always remove the welch plugs and such to do a complete job and to make sure nothing is there that shouldn't be. I have a very staedy hand mind you and have been rebuilding carbs for years. It is one of my favorite things to do. Anyway I drilled the plug just enough to pop through and pry it out and I thought I saw a hole all the way to the bottom. So after I pried the plug out sure enough someone before me years ago probably drilled all the way through the screen. So does anyone in here have a junk flatback carb lying around or a screen they wanna get rid of? I sure would appreciate it.

View attachment 266398View attachment 266399
 
So I was going to rebuild a flat back today and started to take it apart. I always remove the welch plugs and such to do a complete job and to make sure nothing is there that shouldn't be. I have a very staedy hand mind you and have been rebuilding carbs for years. It is one of my favorite things to do. Anyway I drilled the plug just enough to pop through and pry it out and I thought I saw a hole all the way to the bottom. So after I pried the plug out sure enough someone before me years ago probably drilled all the way through the screen. So does anyone in here have a junk flatback carb lying around or a screen they wanna get rid of? I sure would appreciate it.

View attachment 266398View attachment 266399

vintagevixsen on feebay has everything you need.
 
Well i see we've given most the Mac's great exposure but one the Mighty SP40 or SP510 personnelly i cannot think of a more mungrel saw to own or use about as useful as a glass door in a toilet.

sp510.jpg


McBob.
 
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Working through the weak links - PM800

Spent the morning at the wood lot with Lazerus quartering big cherry rounds - well, actually I spent much of the morning sharpening and changing chains as a result of quartering big cherry rounds that had been pushed around at the wood lot in the gravel and dirt that is full of metal filings. BTW Lazerus noodles pretty good with the field modified chain brake/bar plate that I posted last week.

As reported last week, I think I have the PM800's weak link of a chain adjuster solved. The next weak link I need to tackle is the mounting of the spike/dawg. Lock nuts (MAC and generic) and the screws don't seem to stand up to the stress and vibrations of the PM800. Just today, I lost a screw, sheared another and had one strip the nut. I am going to try grade 8 socket heads and vibe-tite. Slowly but surely I hope to work through the PM800's weak links as they appear. I remain stumped, however, by the nut behind the trigger. I don't think I'll every get that one sorted. Ron
 
Well i see we've given most the Mac's great exposure but one the Mighty SP40 or SP510 personnelly i cannot think of a more mungrel saw to own or use about as useful as a glass door in a toilet.

sp510.jpg


McBob.

I own a sp40 and love it! Of coarse it got a lot better after I installed a fully adjustable carb.
 
Spent the morning at the wood lot with Lazerus quartering big cherry rounds - well, actually I spent much of the morning sharpening and changing chains as a result of quartering big cherry rounds that had been pushed around at the wood lot in the gravel and dirt that is full of metal filings. BTW Lazerus noodles pretty good with the field modified chain brake/bar plate that I posted last week.

As reported last week, I think I have the PM800's weak link of a chain adjuster solved. The next weak link I need to tackle is the mounting of the spike/dawg. Lock nuts (MAC and generic) and the screws don't seem to stand up to the stress and vibrations of the PM800. Just today, I lost a screw, sheared another and had one strip the nut. I am going to try grade 8 socket heads and vibe-tite. Slowly but surely I hope to work through the PM800's weak links as they appear. I remain stumped, however, by the nut behind the trigger. I don't think I'll every get that one sorted. Ron

What trigger nut are you talking about?
 
Well i see we've given most the Mac's great exposure but one the Mighty SP40 or SP510 personnelly i cannot think of a more mungrel saw to own or use about as useful as a glass door in a toilet.

sp510.jpg


McBob.

Its all about the numbers Bob. Collect the whole set as they say. :wink2:

You dont use yours saws for anything anyway do ya Bob ? :jester:

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Its all about the numbers Bob. Collect the whole set as they say. :wink2:

You dont use yours saws for anything anyway do ya Bob ? :jester:

DSCN1374.jpg


DSCN1372.jpg

Ah the pain they caused me and a trip to consumer affairs bloody things ..........

I have one hanging from a nail in my workshop to remind me of my mistake
 
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Does anyone have the specs for these please, Oregon no longer seems to list them, wonder why?

Thanks,

Lee:msp_confused:

I came up with three numbers; Oregon 10608 and McCulloch 50129 are .404 7 tooth spur type drum to fit the 5/8"shaft and McCulloch 52878 is a standard large spline to fit to fit the 5/8" shaft. These are only available with a brass bushing instead of a bearing. All of the other drums I found with bearings will only work with a 9/16" shaft.

No doubt there is an Oregon drum with splines as well but I did not find one in the attic.

Mark
 
I was actually recommended to an online source and found a good price on them. I was pissed looking on feebay because they wanted $12 per seal which is sick considering the mini's are only worth $5. I ordered a bunch to get a few saws going, we will see how it works out.

Please let us know where you found them and the industry standard number or size to make it easier on the rest of us!

Thanks

Mark
 
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