Renkforce RF500 Maker Construction Kit - Page 28

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Aligningthedeectionshaftandtighteningthedoublesprocket
Nowalignthedeectionshaft.Itmustbepushedintotheballbearing
to the same depth as far as possible on both sides.
Check how far the shaft protrudes from the ball bearing on both sides
bylookingintotheslot(wherethescrewdriverisplacedwiththeshaft
ontheothersideinthegure).
Takeaat-headscrewdriverorasimilartoolandmovetheshaftto
the right or left until it is aligned centred.
Now check if the double sprocket is aligned with the spacer on the left.
Then tighten the two threaded pins.