HARBEN E Series, Operation & Maintenance Manual

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13.3. Tire Safety
To help prevent any accidents, a few steps can be performed before moving the trailer. (H&S
Section 21)

Check the pressure in each tire. Accurate cold tire pressure can only be measured if
the trailer has sat for longer than three hours.

Inspect the tire for any foreign objects that may be in the tire or around the tire.

Make sure each valve has a cap and that they are on tight.

Examine the tire for any uneven wear patterns on the tread and.

Do not go over the maximum trailer capacity listed on the placard.
While driving, drive slowly over potholes and avoid curbs and foreign objects in the road.
13.4. Trailer Component and Safety
13.4.1.
Breakaway Cable
Mounted on the trailer behind the hitch is a breakaway cable. If the cable is removed, the
trailer brakes will immediately activate. Ensure that the breakaway cable is always intact and
working. It needs to be checked daily.
13.4.2. Electronic Brakes
This trailer contains electronic brakes on the axle(s). They are linked to the towing vehicle
once the whip is plugged in. The strength of the brakes can be adjusted if the towing vehicle
has an electric trailer brake controller in the vehicle. See the axle manufacturer’s manual in
the documentation pack for further details and maintenance information.
13.4.3. Trailer Hitch
Before attaching the trailer, the towing vehicle’s hitch must be inspected for defects, be
capable to tow the weight of the trailer, and have the correct ball size. Make sure all
connections are made before moving.
13.4.4. Trailer Lights
The trailer lights are linked to the towing vehicle once the whip is plugged in. This includes
running lights down the sides and back, turn signals, and brake lights. These need to be
inspected every time the trailer moves.