McCulloch Chain Saws
- Thread starter Bruce Hopf
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The 300 Series saws have good engines, but working in the airbox can present a challenge.
The ergonomics of the short handle saws is not so good, but the 330/340 models are just too ugly to take out in public even though they are quite comfortable to operate.
Mark
The ergonomics of the short handle saws is not so good, but the 330/340 models are just too ugly to take out in public even though they are quite comfortable to operate.
Mark
Good saw but the chain is on backwards. The first saw I bought was a display at Montgomery Wards in the late 70's in a mall that they wanted gone. I ran that saw for many years until the rewind gave up. That 1st saw is a parts saw to make this one good again It has good compression and the parts are all there. It has hope!
I bet it works fine in reverse.
Beat me to it.
When I saved my SP40 from a complete buffoon that's how it was, chain on backwards haha.
That thing makes a Mini Mac look like a prom queen, but if it works it works!
Guy gave me one of those 300 series saws. Wiped it off and it looked unused. Carb kit and it runs well. Cuts nice. Fairly comfortable. The throttle is very stiff due to that throttle cable. Other than that its a decent saw. Came with a case also.
Installed this dust guard / grill on the recoil of my latest 10-10 rebuild, new production off eBay for about $16, it looks and feels pretty good quality.
They say imitation is the sincerest form of flattery...
My engineer friend and I changed the openings from round to triangle to try and produce a cleaner 3D printed "hole" due to limitation with my printer. This was around January of 2020.
We later discovered by accident while trying to reproduce the 3 piece screens for the early 10 Series saws that I could in fact create a decent square opening, albeit a bit smaller than the original parts again due to the limitations of my 3D printer.
Since June of 2022 I have been printing the 10 Series sawdust screens with (smaller) square openings.
The current units are much cleaner looking that the one in the photo above, my engineer friend saw was what happening in the printing process and made a slight change in the design that corrected it.
Just FYI...I saw the injection molded screens with the triangular openings almost as soon as they appeared on eBay and was appropriately flattered.
Mark
My engineer friend and I changed the openings from round to triangle to try and produce a cleaner 3D printed "hole" due to limitation with my printer. This was around January of 2020.
We later discovered by accident while trying to reproduce the 3 piece screens for the early 10 Series saws that I could in fact create a decent square opening, albeit a bit smaller than the original parts again due to the limitations of my 3D printer.
Since June of 2022 I have been printing the 10 Series sawdust screens with (smaller) square openings.
The current units are much cleaner looking that the one in the photo above, my engineer friend saw was what happening in the printing process and made a slight change in the design that corrected it.
Just FYI...I saw the injection molded screens with the triangular openings almost as soon as they appeared on eBay and was appropriately flattered.
Mark
Vinny - the sheath for the throttle wires are often cracked or broken making for rough operation. I have a few NOS shorter ones for the 310/320 type saws, and longer ones for the 334/340 type saws. I have also cut down the longer ones and reformed the hook on the end of the wire to make them work on the short handle saws.
Mark
Mark
Thanks for posting Mark, sorry I patronized someone that likely plagiarized your idea... I'll keep in mind your making those screens the next time I need one.
Do you have an eBay account or any such digital storefront for parts that you're printing?
In my experience, the culprit is the rivet that holds the latch loosens and doesn't hold the latch tight against the housing. It doesn't take much side play to have a hair trigger or no trigger. I have tried many other fixes (notching, swapping out latches, etc.) and none lasted for me. Take a punch and give the rivet a good whack or two. If it doesn't stay tight with use, use a little red Locktite then drive the rivet.
Ron
Good to hear from you Ron. Keep us informed of your adventures this fall...
MacAttack - I don't have any presence on eBay or other digital marketplaces at this time so I don't get too excited when I see those kinds of copies. I do try to keep the folks here informed of what I have available but I'm not really actively marketing. It never hurts to check with me if you need McCulloch parts. Max and I stay in pretty close contact and between us we can often supply what is needed.
Mark
MacAttack - I don't have any presence on eBay or other digital marketplaces at this time so I don't get too excited when I see those kinds of copies. I do try to keep the folks here informed of what I have available but I'm not really actively marketing. It never hurts to check with me if you need McCulloch parts. Max and I stay in pretty close contact and between us we can often supply what is needed.
Mark
I appreciate that Mark, you've helped me out with hard to find parts in the past, I'll make sure and check with you next time.
AJ
AJ
Max donated this 650 cutaway to the museum.
For now we are just cleaning off the worst of the accumulations & corrosion so I can get it into the display. Maybe one day when I retire I will go through it very thoroughly piece by piece and make everything look like new from the factory.
Mark
For now we are just cleaning off the worst of the accumulations & corrosion so I can get it into the display. Maybe one day when I retire I will go through it very thoroughly piece by piece and make everything look like new from the factory.
Mark
Rallyeguy
ArboristSite Member
Nice work Mark,
Had a friend in the plastic industry work with me on my chip-guards with a "closer to original design" starting several years ago. He did a great job matching the original shape but avoiding the "droop" when making the square ports slows things down significantly more than doing a simplified version.
With goals of good replication and real world durability, I chose a more flexible material on mine. I wish they were a bit cleaner in the holes, but he did a really nice job matching the original shape and grid spacing of the original. I think they look very close to the original, matching the 3 evenly spaced rows of squares, with an improvement in real use performance due to the impact resistance. Unfortunately since I don't make them in house, they are a little more costly, but as they say....You get what you pay for.
As to who was first... Steve Lets was able to get his design out a week or two before I released mine. He was the first I know of to mimic the original more closely. Not sure where your "updated" design lands in the timeline, but you definitely had a jump on all of us with your original design.
Love to see continual improvement in all these things.
Flexibility...
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I ha e not bought a new to me saw in nearly 2 yrs. After i started on the 1950 chevy truck, saws and working.on the came to a financial hault. Yesterday i decided to take a gamble on ebay again and bought a mcculluch 795. Same seller as the 797 gear drive on there. Im sure some of you saw that one. Anyway, she said to go for it. I placed a bid and it turned out i got it for over a hundred less than my bid so i was happy with that. Once i get it and make an initial looksee, ill post the good and the bads of it. Seemed pretty clean outside...we will see what the insides hold by the end of the week maybe. Fingers crossed
The 650 cutaway is making some progress...
I decided to try and make a cutaway of the oil pump just to demonstrate how they are supposed to work.
The rest of the saw is coming along as well.
They went all out making this model, even making a cutaway of the piston and then installing the rings.
I made a cutaway of the clutch drum and sprocket but it is pretty hard to see once it's installed on the saw.
You are all invited to come to the museum and have a look at it yourself.
Mark
I decided to try and make a cutaway of the oil pump just to demonstrate how they are supposed to work.
The rest of the saw is coming along as well.
They went all out making this model, even making a cutaway of the piston and then installing the rings.
I made a cutaway of the clutch drum and sprocket but it is pretty hard to see once it's installed on the saw.
You are all invited to come to the museum and have a look at it yourself.
Mark
Believe me Mark, your place is high on my bucket list. If it wasn't so far I would have been there already! Love the videos in the mean time.
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