8a46d25e_planation__Gate_4____GICL_Wiki__4__Printer_Reassembly_Process_Procedure
[Step #] 40 [Parts] Large roller Compression spring Base [Difficulty] 4 [Procedure] 
The large roller can now be set in place as well. Make sure the small white gear box meshes with the larger gear. There is a spring attached to this gear box that must also attach to the base. First line up the spring on the base, and then slide the shaft into position. Finally turn the stoppers to lock it down.
Difference between revisions of "Product Explanation: Gate 4" - GICL Wiki