604 visiteLet start ... first problem : opening it !
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603 visiteThe two halves are fixed by 8 screw ... almost impossible to turn ! Try with some special fluid (WD40 etc) ... but ...
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601 visiteAfter some googling, I found an old article that stated the screw are fixed with some Loctyte . To unscrew them it's necessary to heat and try ! wow !! It work !
601 visiteBalls and retainer .... dirty job !
601 visiteThe opposite ball bearing ... same rust a nd dirty