SDMO R570U, User And Maintenance Manual

Page: 29 / 299

4. Trailer
4.1. Trailer
linkage
Before attaching the trailer, check the trailer hook on the tow vehicle; it should fit the trailer ring perfectly.
Trying to tow a trailer with a non-matching device (bar, wires, cords, etc.) could lead to serious
accidents.
Also check:
- no incipient fractures or excessive wear on the hitching system.
- locking system is operating properly.
Warning
To hitch the trailer, proceed as follows:

Lock the wheels to stop the trailer from moving

Lift up the rear trailer supports and lock them

Release the parking brake

Release the locking levers for the draw bar arms and adjust the ring to the same height as the vehicle hook

Hitch the trailer, remove the locks on each side of the wheels then lift up the front wheel fully using its handle

Connect the electrical circuit of the trailer to that of the tow vehicle

Hook the handbrake safety wire onto the hook on the tow vehicle.
Figure 4.1
: Coupling a trailer
4.2. Check before towing
Before towing, check the following:
 Tightness of the generating set enclosure bolts.
 Wheel tightness.
 Hitching hook locked.
 Tyre pressure.

Signalling lights working, for "on-road" trailers.
 Enclosure doors closed.

Parking brake released, for "on-road" trailers.
 Guide wheels (jockey wheels) and stands lifted (if fitted).
 Towbar arm locking levers tightened and pinned (if fitted with an adjustable towbar).
 Brake test, for "on-road" trailers.
 Safety cable fitted, for "on-road" trailers.
Tow vehicle
Trailer
CORRECT
Tow vehicle
Trailer
CORRECT
Tow vehicle
Trailer
INCORRECT
Tow vehicle
Trailer
INCORRECT
27/297