Wacker Neuson Telehandler TH412 Operator's Manual page 326

7 Maintenance
Automatic trailer coupling
C
Fig. 168
7-72
A
B
NOTICE
In order to ensure the correct function of the trailer
coupling, coupling pin A must be closed before cleaning
with a high-pressure cleaner.
1. Close the trailer coupling.
2. Apply tough, water-proof grease to coupling pin A and
base ring B once cleaning is over.
3. Apply grease to grease zerk C on the joint.
BA TH412 * 06/2017 * 4512_7-20_Optionen_en.fm