McCulloch Pro Mac 605 610 645 650 655 92466 - Answered Questions & Fixed issues
How do I replace a pull cord for pm 605 mcculloch chainsaw?
First remove the pull starter housing.
The next part is tricky. You'll have to release and unwind the spring that rewinds the pull starter cord. Remember how you do this because after replacing the cord, you'll have to rewind the cord and spring before inserting it back in the housing.
re-attach the pull cord housing to the chain saw.
Hope this helps.
How do I replace the spark plug wire on a Pro Mac 605
This is how it is supposed to be, there is a tool to make a hole in the lead,one end of the coiled wire sits into this hole, the rubber boot is then pulled over to hold it, it never gives much trouble, i would suggest there was some other problem with the ignition.
Mcculloch 280B gas blower has compression, fuel, ignition, won't start
Remove all fuel. Remove spark plug. Dry out the crankcase and cylinder by pulling the starter several times.
Reinstall spark plug. Remove air filter, hold throttle open and spray a short burst (~1sec) of starter fluid down throat of carburetor. Release throttle and promptly pull starter rope up to 5x.
If it fires and runs a few seconds then it is a fuel/carburetor problem.
If still no fire then more likely a spark or compression problem. Replace spark plug with new proper type and gap. Retry with starter fluid. If still no run then likely either a failed ignition module or poor compression/crankcase leak.
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