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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ATD backplate
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<blockquote data-quote="Grash" data-source="post: 32121" data-attributes="member: 2680"><p>I know what you mean, if it aint broke (too much!) don't fix it. It's interesting that the ear that fell off and the ear with the crack were both adjacent to the pivot pins. The crack ran from the radius, at the point where the angle limiting lug strikes the ear, to the pivot hole. This is the fully retarded stop. I wonder if the repeated striking of the sharp corner onto the radius helps to initiate the crack. If so then radiusing the moving lug may prevent the problem in the first place.</p><p>It will take a while before I check it as I am still struggling to remove the outer shell of the timing side roller bearing. I have tried to dress back the "staking" marks but even when heated to 200C it doesnt want to come out (very difficult to give any impetous from the oilpump side.) Is staking really needed if the interference fit is good. Is Locktite enough?</p></blockquote><p></p>
[QUOTE="Grash, post: 32121, member: 2680"] I know what you mean, if it aint broke (too much!) don't fix it. It's interesting that the ear that fell off and the ear with the crack were both adjacent to the pivot pins. The crack ran from the radius, at the point where the angle limiting lug strikes the ear, to the pivot hole. This is the fully retarded stop. I wonder if the repeated striking of the sharp corner onto the radius helps to initiate the crack. If so then radiusing the moving lug may prevent the problem in the first place. It will take a while before I check it as I am still struggling to remove the outer shell of the timing side roller bearing. I have tried to dress back the "staking" marks but even when heated to 200C it doesnt want to come out (very difficult to give any impetous from the oilpump side.) Is staking really needed if the interference fit is good. Is Locktite enough? [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
ATD backplate
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