Renkforce RF500 Maker Construction Kit - Page 43

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Assemblyofthebelttensioners(X-direction)
3xgroovedballbearing624Z(diameterinside/outside4/13mm)
1x cylinder head screw M4x35
4xwasher(diameterinside/outside4.3/9mm)
1xwasher(diameterinside/outside4.3/20mm)
Push the washers onto the screw alternatingly with the ball bearings
(screw-washer-ballbearing-washer-ballbearing-washer-
ballbearing-washer-washer20mm).
Installationofthebelttensioners(X-direction)
1x belt tensioners assembled
1xwasher(diameterinside/outside4.3/20mm)
1x nut M4
Guide the assembled belt tensioners into the cut-outs of the left guide
carriageplatefrombelow(viewedfromthefront,thepicturehasbeen
taken from the rear view) and attach it with the washer and the nut.
Only tighten the nut slightly so that the belt tensioner will still move
freely.