7-68 BA 35203_04 * 3.0 * 35203_04_07_Wartung.fm
7 Maintenance
7.20 Maintenance of options
Automatic trailer coupling (option)
Cleaning and lubricating the trailer coupling
In order to ensure the full functionality of the ball hitch, close the coupling
pin in the ball hitch before cleaning with high-pressure cleaning
equipment!
Maintenance intervals – see “Maintenance plan” on page 7-3.
Grease – see “Fluids and lubricants” on page 7-12.
1. Close the trailer coupling.
2. After cleaning, lubricate the coupling pin A, the bearing support B and
the drawbar eye with tough water-proof grease.
3. Apply tough water-proof grease to the lower bearing of the coupling jaw.
4. Apply grease to the grease zerk on the joint.
5. Lubricate all moving parts of the height adjustment.
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