─     1: Trolley drive

─     2: Side panel

─     3: Hoist trolley

─     4: Hoisting gear

─     5: Lift-off prevention device

─     6: Safety buffer

─     7: Trolley frame

─     8: Counterweight side with panel

─     9: Bottom block and load hook

─     10: Hoist motor

─     11: Drum side