Renkforce RF500 Maker Construction Kit - Page 32

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Preparationofthespringholder
1x spring holder
1xcylinderheadscrewM4x30(fullythreaded)
Screw the cylinder-head screw completely into the spring holder as
illustrated. Ensure that the screw is turned in from the right side since
the bore is slightly offset.
Finalassemblyoftheinfeedunit
1x extruder motor holder with motor and ball bearing holder
1x spring holder
2x cylinder head screw M5x30
1xpressurespringforextruderinfeed(L20.57mm,Øoutside6.1mm)
1xwasher(diameterinside/outside5.3/10mm)
1xwasher(diameterinside/outside4.3/9mm)
Optional, if necessary! The following parts are enclosed as an alter-
native to the cylinder-head screw M5x30, which is used without a
washer.
1xcylinder-headscrewM5x35(atdeliveryasof04-2017)
1xplasticwasher(atdeliveryasof04-2017)
Prepare all parts as illustrated.
Place the smaller washer M4 onto the set-up infeed unit.
Push the pressure spring onto the screw of the spring holder.
Push the larger washer M5 onto one of the two M5 cylinder-head
screws.
Optional,if necessary! Usethe cylinder-head screwM5x35(at the
bottomofthegure)withtheplasticwasherinsteadofthecylinder-
head screw M5x30 at the very right of the screen. This is the screw
that is pushed through the counter-holder.
Use the screw only when the cylinder-head screw M5x30 only barely
grips when attaching the infeed unit to the frame in the slot nut.
Before use, turn the plastic washer onto the screw as illustrated.