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How to Re-assemble a Chain Saw Clutch
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- เผยแพร่เมื่อ 25 พ.ค. 2018
- In a mishap with my McCulloch chain saw, the clutch came apart. I found an interesting way to put it back together and finish cutting up some dead wood.
The best way if you have no holes or vice grips is to drive screws around the assembly on a bench. Then you can fit 2 of the 3 arms and the final can be fitted by twisting a screw driver to expand the assembly. Worked first try after faffing for 30 mins by hand.
Thanks for the video. I had the exact clutch so I used aluminum wire through the holes and pliers to pull each end. Took a few attempts and about 15 min but it worked!
Ha Ha! I have just done this very job ! The "easy" solution I came up with was to assemble the spring and clutch weights, then ,using a screwdriver to wedge apart the sections, push a 3/16" piece of wood in the gap to hold the weights apart, you can then just insert the "nut" into the slots and screw it back on, easy! Chris B.
Thanks for sharing 👍🏼
Same thing on my trusty Chinese SX62 chainsaw. No holes in my clutch so wiring segments not on unless I drilled holes. After struggling for several hours eventually devised the following method: -
1. Cut three pieces of steel bar spacer 6mm dia. x 8mm long. 1/4" dia. x 5/16" long would likely do. Then assembled the three segments on the bench with the spacers in the little recesses. If bar not to hand buy long bolt with plain section.
2. I have a Machine shop so laid 5" three jaw Lathe chuck on bench and holding segments with three spacers in place, clamped up the chuck. Worm drive hose clamp may also do.
3. Next cut three 3" long pieces of soft 1/16" dia. wire. Place evil garter spring half around two segments and then wired in place through the slots for the spider. Next work spring with fingers over the third segment using third piece of wire when you reach the spider slot. Finally work evil garter spring over rest of third segment . Push it all the way down into the recess, sit back and swear at it triumphantly.
4. Then cut and remove the three wires. Spider should then slip into place. Carefully unclamp the chuck and very carefully set assembly vertically into jaws of 4" bench vice such that all three segments are clamped and just one spacer is slightly above the vice jaws. Tap out spacer with 1/8" pin punch and carefully unclamp the vice. Rotate 120 degrees and repeat for next spacer and repeat again for last spacer.
5. Handle very carefully when screwing back on engine's crankshaft. Left hand thread. Use soft aluminium drift to finally tap home on thread.
Thanks for the video, it showed my how difficult this could be so I tried something different. I cut three pieces of 6.5mm dia rod 12mm long and assembled the three sectors with these pieces of rod in the gap. I then applied a jubilee hose clamp and did it up real tight. I laid it on a flat surface and fitted the spring. Now drop the Y piece in (if you chose thick enough spacers). Clamp it in a vice and drive the pins out one by one, take the hose clamp off and job is done. 2 min once you have the packing pieces cut.
Well done. I like the thinking that went in to that solution.
I found this a method one which worked well for me. Fit clutch drum to crankshaft. (Remember to fit oil pump drive coupling, sprocket and needle bearings first. ) place washer in clutch drum. Place clutch shoes in clutch drum. Fit spring on underside of spider. Screw spider onto crankshaft until bottom of spider fits into clutch shoes. Continue to tighten spider (clutch shoes will turn as well ) until the spring touches the clutch shoes. Then back it off a very small amount. Push the spring into the clutch shoe groove using 2 pairs of pliers. (If the spring keeps popping out you could use 2 pairs of vise grips to cover the groove at various points , but I didn't need to do this.) Then carefully wind spider anti clockwise until spring is locked down.
Your way worked for me. Thank you
I did one today took 10 mins. Mine had no holes so I zip tied through the center hole and over each of the 3 spring holders T piece, 3 zip ties and used lock grips to hold spring in the grove, so once 1 was locked in and zipped up tight I put it in a vise by the edge of the housing and did the next one again pulling the zip tie hard and then the last one. The cut the zip ties
ALSO, I did break the first one that I tried to do the other day by vise grips on 1 of the tee pieces snaped
Yeah no holes in my shoes either. Wire or zip ties get in the way.
Put spring in all shoes & clamp one shoe onto edge of bench. Put center piece into one slot, then use flat screwdriver to pry the other two shoes out. Pry against the other two ends of centre piece and spring groove. Centre piece will drop in.
Your comment is the one that worked for me
Thanks for sharing...
I used zip ties, vice grips and a nut to keep gap open, as spring kept wanting to collapse and cover groove. Pried with thin blade screwdriver and finished in 10 minutes. Yes, it can be challenging, but be patient.
Well done. I used much the same techniques.
oalahhh..
kangelan jg masange😅😅
Yeah my clutch exploded too.. its so hard
what model of clutch it is?
Boss joy may tgas ng langis likod ng chain saw0 cluth
I am dealign with this today. pita!@
A bit wonky. Works=Good!
This is the only video I can find on this style clutch, unfortunately my clutch parts do not have the holes to fasten wires through. I have messed with this thing for 2 days now.
Instead of using these expensive tools i just used three flat head screwdrivers instead of One and it worked perfectly
Ok:)
Around $20 for a new one.... not worth the grief trying to fix
Maybe, if you can find one for an older or off-brand saw.
@@TheOriginalMechanic I don't know where you are but eBay & AliExpress have many suppliers waiting to sell you one
@@gergsvideos This saw was eventually out of service because I couldn't find an oil pump anywhere. "NLA"
@@TheOriginalMechanic plenty of parts available, ...just search AliExpress "Chinese chainsaw oil pump" or clutch. I'm in Australia & get them from China or if I'm in a hurry there are local suppliers on eBay....cheaper from China ..
I posted a couple of links but can't see them...anyway the parts are also on Amazon..might be more convenient for anyone in the USA ...
Hahahahaha wayer2 👎👎👎👎👎👎
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Bagong subscribers nyo Po...
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Salamat Po.