Karla,
Geoffrey Healy is back. I investigated the e-bay "sell for parts" option for my busted crankshaft 455 chainsaw. Turns out I won't get very much, so I decided to take it apart and try to replace the crankshaft. I got as far as the cylinder removal and discovered the four cylinder bolts require what looks like a special wrench to remove. It looks like a star pattern with a hole in the middle. Can you help me identify the required wrench and perhaps the size needed for a 455 cylinder bolt. Thanks!
Karla,
I hope you remember me. Geoff the "newbe" to chainsaw work with the failed 455 crankshaft. Since your last answers, I have retrieved the part list and the workshop manual. I note in the workshop manual the list of 16 special shop tools, many of which seem to perhaps be required for a crankshaft replacement. Any advice you can provide on which of these tools I really need to have before attempting full disassembly would be greatly appreciated.
Karla,
I hope you remember me. Geoff the "newbe" to chainsaw work with the failed 455 crankshaft. Since your last answers, I have retrieved the part list and the workshop manual. I note in the workshop manual the list of 16 special shop tools, many of which seem to perhaps be required for a crankshaft replacement. Any advice you can provide on which of these tools I really need to have before attempting full disassembly would be greatly appreciated.
Karla,
Thanks for the info! I definitely want to take the time to attempt a repair. Do you think it would be helpful to order a 455 service manual from servicemanualvault.com for a first time disassembly? I will first try your recommendation to remove the muffler and look at the piston and cylinder condition. Do you think it is possible this happened because I sharpened a chain once too often? The bar did get bound up in a log kerf at one point before the shaft failure?
I will take you up on the offer to look at pictures of potential damage points after the disassembly.
Geoff