Bet ya 50c that 3200 has a broken/missing oil line.
McCulloch Chain Saws
- Thread starter Bruce Hopf
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An awful lot of stuff to sift through in that manual and easy to miss stuff.
Stateline Sawer
ArboristSite Operative
Hello
I have a near mint 4600, I know considered a "newer" mac, but seems to have decent construction and I have yet to see another one. What, if anything do you know about this saw, I know it's 46cc's.
The 4600 is a Jenn Feng era saw. They are not terrible homeowner type saws but they really cannot compare with even a semi-pro model that would be contemporary. In general they were rather high compression (200 PSI is not uncommon) and were put together with better materials that some of the last McCulloch saws and the Titan (Italian McCulloch factory) saws.
I had an MS2050AV for a while, it cannot compare with a 10-10, it was pretty comparable to the Jonsered 2050 that I have.
Mark
I had an MS2050AV for a while, it cannot compare with a 10-10, it was pretty comparable to the Jonsered 2050 that I have.
Mark
This site is going bonkers...looks as though we have recovered the early March posts, but now have lost the posts from last couple days.
Oh well, I got the 7-10 running good last night. Didn't even open the carb. After initially popping it over 2 nights ago it fired right up last night and ran great! Idled fine, revs up nice, very responsive, and even working oiler.
However, found out why it was likely shelved. When I picked it up I knew muffler cover was missing. I didn't realize the upper bolt was broke in the hole though. This is gonna take a bit of work since it's the one that threads through muffler into cylinder.
Oh well, I got the 7-10 running good last night. Didn't even open the carb. After initially popping it over 2 nights ago it fired right up last night and ran great! Idled fine, revs up nice, very responsive, and even working oiler.
However, found out why it was likely shelved. When I picked it up I knew muffler cover was missing. I didn't realize the upper bolt was broke in the hole though. This is gonna take a bit of work since it's the one that threads through muffler into cylinder.
Fortunately I forgot the upper muffler hole doesn't have that threaded tab on back, so was able to slide muffler off. Unfortunately bolt remnants are really stuck in there!
Try some kroil or melt a crayon onto the stud, then use visegrips.
To add to this, the needle bearing 104129 is Torrington p/n B-1210 according to my 1-43.
I've been soaking in CRC knock'er loose....and heating it to no avail. I just broke it off near flush with cylinder. Doh!
Can someone tell me generic p/n's for RH 10-series crankshaft bearings? I'm trying to get a complete chart of generic equivalents for all the bearings/seals on Macs that I own, and I still need crank and piston pin bearing #'s for RH 10-series, and any and all bearing/seal #'s for a Power Mac 6.
I was going to tell you to heat it till cherry red,then try to turn it out with a vise grips.I don't know what to tell you now.
Well had to drill and retap threads. All is good now. Muffler cover was the best one I have for this style muffler.
Saw fired up on second pull. Seems to run great.
Just gotta swap a better chain on it so I can make a test cut.
Question about spark plug. Should it have threaded terminal removed? Fits really loose on plug wire. I tried a plug with terminal in place and won't fit in plug boot.
Saw fired up on second pull. Seems to run great.
Just gotta swap a better chain on it so I can make a test cut.
Question about spark plug. Should it have threaded terminal removed? Fits really loose on plug wire. I tried a plug with terminal in place and won't fit in plug boot.
Little Jerrry
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Hi Mogulmasher
Can you show me how that idle adjuster screw sits against your carb? My 7-10A screw even when screwed right in seems to barely touch the lever on the carby - I haven't had it fully running yet (waiting on fuel tank gasket) so I cannot say for sure that it does nothing but it looks like it would have next to no impact on the idle.
Can you show me how that idle adjuster screw sits against your carb? My 7-10A screw even when screwed right in seems to barely touch the lever on the carby - I haven't had it fully running yet (waiting on fuel tank gasket) so I cannot say for sure that it does nothing but it looks like it would have next to no impact on the idle.
Sometimes it's just some rust between the coils of the spring inside the boot , makes it dam near impossible to push it on the plug.
Spray some wd40 or something like that in there. It should take quite a bit of pressure to get it to snap on but the plug is meant to have the top on.
Yes Little Jerry I can take a pic of it when I get home tonight. I can say though it too only barely touches throttle lever. It only needs to be slightly cracked open to idle.
Thanks! I will check it out. I figured cap needed to be on plug like every other 10 series but you never know with Mac if it would have had a different spark plug boot.
The idle speed adjust screw on a 7-10 has a pretty good down angle. I don't think you will have any issues. Mine looks exactly as you describe yours.
The propensity to step on the wire while starting the saw may have led someone to change the plug boot, if they ripped the original.
What's the recommended start sequence for a RH 10 series? Specifically a 2-10.
Spend 5 minutes pulling it over, notice the kill switch is on.... oh wait, you said recommended, not typical. My bad. What I'd do is prime it (if it has a bullfrog use the button, otherwise mix down the intake), choke it, pull it over a couple of times and see if it pops. If it doesn't, flick off the choke and give it 10-15 pulls. If it still hasn't popped, blow out the cylinder and repeat the above sequence. If it pops, flick off the choke and fire it up. If it revs and dies, another 5 pulls unchoked. If it doesn't pop during those 5, choke it and pull on it till it pops, shut off the choke and fire it up!
I have to hold the choke in with my thumb, it doesn't lock. I'm used to starting on the ground with my foot through but that doesn't work so well with this. Short bar so hard to start by leaning it on a stump or log, when I pull the cord it wants to jump around and bite me. 
