Sorry for your loss Mark.
McCulloch Chain Saws
- Thread starter Bruce Hopf
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Husky77
ArboristSite Operative
Lifes a learning curve, every day we learn a little more.
Hope your doing ok Mark
I got the tank handle on the 850,but not without some difficulty.The AV mounts didn't want to line up on the front of the saw.I had to squeeze the sides together while my son put the bolt in.The plate on the underside of the tank didn't want to line up either.You'd figure that after I got one of the screws in the other would just fall into place - not.Then while trying to get the rear AV mounts in place the choke button broke.The little eyelet came out of the button.Good thing I had the other button from the original tank handle.I ended up pushing the linkage that hooks onto the carb back out through the button's hole,then hooked the button on & pushed it through.I need to put the starter on & the front handle & rear brace.I wonderr if those things will fight me tooth & nail too.
WOW.....I have had to finesse a thing or two at times... But I have never fought one like that. On the rear AV always put the oiler side up and over the oiler first. choke side last. always works easier for me. On a side note make for SURE the boot is seated into the intake under the carb good. Only time I had issues getting the intake tank bolts to align, the boot was not seated right. I hope she runs like a champ for you!
Six of one.......thats funny cause i always hook them.over the choke linkage first. Whatever works for anyone is correct.
I trtied it both ways Max.Oiler rod side first,choke lever side first,it didn't matter.I went through the exact same thing on the DE80 last yr.I guess I just don't have the "magic touch",Lol.
I found one on Ebay a few years back for a decent price.Its a pretty rare item IMO,I've only seen no more than four total in being online 22 yrs.
Works quite well,only used mine a couple times,prefer to use a file or my 1960's Nielsen 100B grinder occasionally.Its a bit fast for me personally (22,000 RPM,still less than my early 90's Bosch die grinder which turns at 25,000) & is basically an older version.Heavier than the Bosch also,with less amps I mainly bought it for the collection.
If it can be had for a fair price & it still works,I'd grab it quickly.
Some days I dont lol. I did am SP 81 today... back mount took 10 seconds... front bottom handle bar mount was a 5 minute struggle. each lady has her hard to give up attributes lol.
Update on the 850 - it's coming along albeit slowly.I got the nuffler/cylinder shield on,the recoil,rear handle brace ,& front handle.I must've messed with the reart handle brace for over an hr.before I took a look at the old tank handle & found the spot where it's supposed to be threaded is all wallowed out.Also,where the bolt screws into the fuel tank is stripped out.I put the carb on too,but didn't have time to finish.All I need to do is hook the PITA fuel line onto the carb & hook the throttle linkage onto the trigger.I picked up the saw by the rope & it just slowly dropped to the ground.The carb was off at that point,so I don't know if that had any effect on the compression..I went to put the clutch on & noticed that it was stuck to the drum.I got it out,but the one shoe was quite corroded.This tell me that this saw was NEVER run at all prior to my buying it.I highly doubt it has 150 psi too.I think that reading he took a pic of came from another saw.
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The 850 is a runner! Still a bit to be done yet.I still need to cut a chain down from 84 drivers to 81 to fit the new 24 in.bar I got for it.I need to do something about the kill switch wire,the end doesn't plug onto the ignition module.I need to put the adjuster screw in the chain brake.I'm also trying to figure out what to do about the wallowed out rear handle where the brace attaches & the bolt that won't stay tight on the side of the fuel tank that holds on the front handle.
Today was a kick in the pants trying to get it running.I hooked the fuel line on,hooked the throttle linkage onto the trigger,& put the boot & needles in the carb(easier for me to put the carb on without first).Then I fueled it up & started pulling & got nothing.It ran on a prime,but wouldn't pull fuel.I disconnected the throttle linkage from the rear trigger,I decided the carb gasket must've shifted when installing the carb.Then I went to unhook the fuel line & noticed it was kinked.I didn't get a normal 64848 fuel line,I got an odd ball from Mark.It was about half the diameter of the 64848,but it fit snugly in the boss for the line.Being small it kinks easily.I got that kink out & hooked the linkage back on the trigger & began pulling.I got the saw running,but it died on me when trying to adjust the carb a couple times.The last time it died I couldn't get it restarted.I pulled the plug & it was wet,but no fire.I had to change the ignition module & then it took a bit to get it running due to being flooded I finally got it tuned pretty good where it idles & throttles up nicely.I suppose all the crap I went through with this saw might've been worth it.Lots of new parts & it seems to have fairly good compression.I'll take a reading & see what I come up with.I guess I got the boot in right too,Lol.
Today was a kick in the pants trying to get it running.I hooked the fuel line on,hooked the throttle linkage onto the trigger,& put the boot & needles in the carb(easier for me to put the carb on without first).Then I fueled it up & started pulling & got nothing.It ran on a prime,but wouldn't pull fuel.I disconnected the throttle linkage from the rear trigger,I decided the carb gasket must've shifted when installing the carb.Then I went to unhook the fuel line & noticed it was kinked.I didn't get a normal 64848 fuel line,I got an odd ball from Mark.It was about half the diameter of the 64848,but it fit snugly in the boss for the line.Being small it kinks easily.I got that kink out & hooked the linkage back on the trigger & began pulling.I got the saw running,but it died on me when trying to adjust the carb a couple times.The last time it died I couldn't get it restarted.I pulled the plug & it was wet,but no fire.I had to change the ignition module & then it took a bit to get it running due to being flooded I finally got it tuned pretty good where it idles & throttles up nicely.I suppose all the crap I went through with this saw might've been worth it.Lots of new parts & it seems to have fairly good compression.I'll take a reading & see what I come up with.I guess I got the boot in right too,Lol.
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Super!
Looks good ed. I knew it would go.
Vinny,you have more faith in me than I have in me,Lol.
Been out of the loop for a few days.
Thoughts and condolences from Ohio, Mark.
Thoughts and condolences from Ohio, Mark.
McCulloch Man
New Member
I am in the process of fully rebuilding my McCulloch 640 Chainsaw. I have an issue where I need to reseal the two piece gas tank.
Have any of you had success with any of the commercially available multi-step processes to strip, etch and re-seal/line the gas tank? How did you plug off the fuel outlet and/or cap (or did you)? Because it’s a two piece tank, did you work on the halves individually or together? If you worked on it together is there a way you did so without wasting a fuel tank gasket?
Your insight is much appreciated!
Thanks!
Have any of you had success with any of the commercially available multi-step processes to strip, etch and re-seal/line the gas tank? How did you plug off the fuel outlet and/or cap (or did you)? Because it’s a two piece tank, did you work on the halves individually or together? If you worked on it together is there a way you did so without wasting a fuel tank gasket?
Your insight is much appreciated!
Thanks!
I believe Red-kote is the method of choice around here, but I've never tried resealing tanks before. I'm curious to see your 640 rebuild as I'm currently in the middle of stripping down a 640 and prepping it for paint. The p.o. did a poor repaint using a rattle can that has since deteriorated from sun exposure so I really want to get it looking respectable again.I am in the process of fully rebuilding my McCulloch 640 Chainsaw. I have an issue where I need to reseal the two piece gas tank.
Have any of you had success with any of the commercially available multi-step processes to strip, etch and re-seal/line the gas tank? How did you plug off the fuel outlet and/or cap (or did you)? Because it’s a two piece tank, did you work on the halves individually or together? If you worked on it together is there a way you did so without wasting a fuel tank gasket?
Your insight is much appreciated!
Thanks!
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