Lukas Concrete crushers - Manual (Page 35)

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CAUTION!
Don’t forget to apply LUKAS special grease to all sliding surfaces.
CAUTION!
The nut of the pivot bolt and the pivot bolt itself are matched by a special procedure,
therefore they must only be changed as a set by using a new set! Because of the
special procedure, any unscrewing of the nut while working will be minimised and a
resulting crusher arm fracture will be prevented.
The nuts can be unscrewed and tightened up to 10 times without affecting the
service performance!