ad55cbdc_Dissection__Gate_2___GICL_Wiki_Table_2__Dissection_Process_Parts
[Step #] 32 [Procedure] Once the springs are removed from the hooks, lift up on the edge of the roller and slide the hook out from underneath the structural support. These four rollers are connected, and caution must be used in order not to break their joints. These parts are unintended to be disassembled; they are unlikely to need repair. [Tools] Hands [Difficulty] 2 [Parts] 
Pressure rollers
Product Dissection: Gate 2 - GICL Wiki