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METRO 06-1 to 30-1Option 11Option: Pneumatically actuated discharge flap11.1.4 MaintenanceFig. 11.2 – Pneumatically actuated discharge flap[1] Pneumatic cylinder[2] Bayonet clip[3] Cylindrical roller-bearing[4] Hexagonal nut[5] Contact surface of the piston rod[6] Hexagonal nut[7] Yoke[8] Pin[9] PanelRemoving the pneumatic cylinder Prepare the hopper <strong>loader</strong> for maintenance (see "Before starting work" on Page 32). Fold the pin [8] down out of the way and pull the pin [8] out of the yoke [7]. Remove the bayonet clip [2] and remove the cylindrical roller-bearing [3] with the pneumaticcylinder [1]. Slacken the hexagon nut [6]. Using a forked wrench (WAF 9), push against the contact surface ofthe piston rod [5]. Unscrew the yoke [7] and the hexagon nut [6]. Slacken the hexagon nut [4] using the fork wrench (WAF 32). Unscrew the pneumatic cylinder [1] out of the cylindrical roller-bearing [3].Installing the pneumatic cylinder Assemble in reverse order. Lock the two hex nuts [4] [6] with Loctite 242.Edition: February 2006 49