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• Impact and shock stress of the
wheels/axles.
• Speed inappropriate for the road conditions
and the loading status of the trailer,
especially on sharp bends.
• The parked trailer can tilt or sink in on soft
uneven ground.
• Driving on severe inclines.
• Loading/unloading the trailer in an area
with a steep gradient.
• Failure to clean the horsebox floor after
every use.
• Driving with opened but unsecured
ramps, doors & hatches.
CHASSIS AREA
Note the following in general:
• Establish the electrical connections.
• Retract the jockey wheel and prop stands
(if fitted) and lock them securely.
• Check the tyres and rims for damage.
• Check the tyre pressure, including the
spare wheel.
• Check the tightening torque of the wheel nuts.
• In the case of a new trailer, re-tighten
the wheel nuts after 25 miles/40km and
before each journey.
• Secure the spare wheel, wheel chock and
any other loose items.
• Check the number plate and signs.
• Check that the trailer coupling is in perfect
condition.
BODY AREA
Close and secure all body components, such as:
• Ramps.
• Hatches.
• Doors.
• Load securing equipment.
12
• Fix any load.
• Ensure loads are balanced.
1.7 GLOSSARY OF TERMS
TRAILER
Your new Ifor Williams trailer.
GVW
Gross Vehicle Weight - Referring to the
towing vehicle, this is the maximum allowable
weight of the vehicle and its contents.
MGW
Maximum Gross Weight - Referring to the
trailer, this is the Manufacturer's stated
maximum for the trailer and its load, often
governed by such items as coupling, tyres
etc. although this may have been adjusted
downward for one of a number of reasons.
MAM
Maximum Authorised Mass - A term used in
driver licensing regulations, this has the same
meaning as MGW detailed above.
UNLADEN WEIGHT
The weight of an empty trailer (usually as
delivered before fitting of any optional
accessories).
PAYLOAD
The amount you are allowed to carry, the
payload and the unladen weight added
together must never exceed the Maximum
Gross Weight.
NOSE WEIGHT
The downward force exerted on the tow ball
by the drawbar of the trailer.
LEFT & RIGHT
Are always referred to with regard to forward
travel, i.e. viewed from on-board the trailer
with the drawbar visible in front of you.
OUTFIT
The towing vehicle and trailer combined.
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