FELIXrobotics Felix 1.0 Instruction Manual page 11

The bottom of the motor should be aligned with the bottom of the
frame. Mount the z-motor bracket with a small washer and an M4x12
bolt. Do this correct, because it can save some extra work later on.
Mount the rail including slide onto the frame with 4 button head m4x12
bolts. Do NOT use washers in this case, otherwise the bolt head will
touch the slider. Also important is that the rail should touch the z-motor
bracket.
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The z-spindle mount should also touch the rail. Use a small washer and
an M4x16 bolt
Mount the z-axis part onto the slider with two small washers and m4x12
bolts. Only tighten it loosely.
Mount the bearings which guide the y-axis tooth-belt. Order of washers
and bearings, right to left:
M4x20 bolt, large washer, small washer, bearing, small washer, large
washer, plastic part, small washer, self-locking M4 nut.
Fix it tightly, because it is difficult to reach later on.
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