Valtra T144 Operator's Manual page 246

3. Operation
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GUID-622A04F2-8543-4D04-A15F-02EF3C4F4273
1. Trailer hitch release lever (optional)
2. Cable for trailer hitch release lever (optional)
3. Towing pin locking lever
4. Towing pin opening lever
5. Adjusting part
6. Spring locking pin
1. Check that the adjusting parts fit for the trailer to be coupled.
With the adjusting parts you can adjust the towing eye spacing.
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2. Lift the towing pin up or pull down the trailer hitch release lever (optional).
To lift the pin with the opening lever, turn the lever to the upper position.
3. Attach the trailer to the coupling.
When the draw eye reaches the bottom of the draw gap, the towing pin
automatically goes down. You can also lower the towing pin by pushing the
locking lever downwards.
5 6
Pull the spring locking pins off and pull the adjusting parts off to remove
them.
Fit the adjusting parts and fit the spring locking pins to secure them.
Insert the straight part of the spring locking pin through the hole and the
curve to correspond to the pin arc.
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