SDMO R33C3 User And Maintenance Manual page 33

Unhitching a trailer fitted with a hitching ring
1. Immobilise the trailer:
- Chock the wheels;
- Apply the parking brake:
Raise the parking brake lever (10) fully.
2. Disconnect the electrical cable plug controlling the lights, indicators, etc. from the socket on the towing vehicle.
3. Remove the unlocking cable on the towing vehicle.
4. Release the hitching ring:
M3126/M3127 type trailers
- Disengage the jockey wheel from the notches in the
tube (6) with its handle (5).
- Loosen the jaw of the tube (7) with its lever.
- Lower the tube until the jockey wheel touches the
ground.
- Tighten the jaw of the tube (7) with its lever.
6
- Support the load on the jockey wheel:
Lower the jockey wheel with its handle;
When you are sure that the wheel can bear the load (the towbar rises), unhitch the trailer from the vehicle.
5. Fit the stabiliser (1):
- Loosen the jaw of the stabiliser (2) with its lever;
- Place the stabiliser in contact with the ground;
- Tighten the jaw of the stabiliser (2) with its lever.
5
7
M3128/M3129 type trailers
- Remove the safety pin from the position lock (8) on the
jockey wheel.
- Remove the position lock (8).
- Place the jockey wheel in the bottom position.
- Fit the position lock (8).
- Fit the position lock pin.
- Lower the jockey wheel to the ground with its handle.
8
2
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