I've got one of these (spare) in front of me right now. As provenrad said, it can only be the pivot point/ slack arm spring at the back if everything is tightened as you say. Unless there are washers missing etc.
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I've got one of these (spare) in front of me right now. As provenrad said, it can only be the pivot point/ slack arm spring at the back if everything is tightened as you say. Unless there are washers missing etc.