Add an End Cap Bearing to the 75mm x 5mm Hex Shaft.
Slide a Shaft Collar onto the shaft. Tighten the set screw.
Note: the Shaft Collar should be flush with the bearing.
Slide a 15mm Spacer onto the shaft.
Slide an 72 Tooth Plastic Gear onto the shaft
Add an End Cap Bearing to the shaft.
Note: the smaller portion of the bearing faces away from the gear
GEAR IDLER ASSEMBLY COMPLETE.
Repeat the above steps until there are four completed Gear Idler Assemblies. Set aside for later.