I have used one of these tools recently for undoing (and doing up) the front pulley bolt on a Japanese engine where the ½ drive air operated rattle gun I have was just not powerful enough.
Attachment:
breaker bar.jpg
It was an excellent, and easy way of undoing the bolt. A couple of good belts with a club hammer, rather than the light hammer shown here, and the bolt spun off.
Attachment:
breaker bar in position.jpg
The tool I used was sold under the JTC brand, and is described as a JTC-4699 1/2" power bar hand impact wrench.
This may not be of any great help to you personally unless you have access to someone who can lend you this tool. Perhaps though you could fabricate something like this which would do the job.
Best of luck!
Robert
That looks like a clever and competent solution Robert. And something I could fabricate pretty easily. Most supertight crank pulley bolts succumb to the knuckle bar and starter treatment, but I have perrenial problems with anti-clockwise rotation Honda engines cos that method doesn't work and they are always stupidly tight cos the very design means they tighten up in service. I have a collection of Truck size tools, just for this one job and still often damage myself in the process. This looks a much better idea altogether.
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