Unplug the Oil Line of Central Lubrication
Before you can separate the carriage part from the carriage assembly:
- For Central Lubrication Type 3
 - The carriage cover is removed

 
- 1
 - Find the quick-release coupling following the oil line at the carriage part.
 - 2
 - Press the retaining ring.
 - 3
 - Remove the loose coupling socket from the coupling plug.