15
2.1.1 RECOMMENDED
TOW BALL HEIGHT
Ifor Williams Trailers recommends that the
ball head on the towing vehicle is ideally
adjustable and is within the range 395mm -
465mm. The horsebox is designed to comply
with the EU whole vehicle type approval. This
mandates that the centre of the ball head
coupling on the trailer vehicle is 430 +/-
35mm (i.e. between 395mm and 465mm)
when laden. Ensure that your towing vehicle
ball height matches that of the coupling
on the trailer to provide a level floor and a
suitable noseweight imposed on the vehicle,
see below.
2.1.2 NOSE WEIGHT
Never exceed the maximum nose weight
stated on either, the trailer, towing vehicle or
tow bar. It is advisable to distribute the load
to achieve a nose weight of between 75kg
and 120kg.
A towing vehicle with a minimum nose
weight capacity of 100kg is recommended
for towing this trailer. Check the plated
weights of the towing vehicle and tow bar
before hitching up. The upper limit for the
trailer coupling head is 150kg.
HEIGHT OF THE BALL HEAD COUPLING
2.2 PRE-HITCHING
UP CHECKS
Before hitching up always check the following:
1. Check wheel bolts after first 25
miles/40km of service and subsequently
before every journey. Torque to: 88Nm.
2. Check tyre pressures before every journey.
65p.s.i. (4.5bar).
3. Inspect all wheels and tyres for signs of
deterioration or damage.
4. Check the lighting equipment for damage.
5. Ensure all loose articles are stowed securely.
6.
Check horse area windows and vents are
opened accordingly to the horse’s requirements.
7. Check all doors and hatches are closed.
Lock all doors where possible.
3 HORSE BOX
OPERATION
3.1 ATTACHING/DETACHING THE
TRAILER TO/FROM THE TOWING
VEHICLE
• It is recommended that a minimum of
2 people work together when hitching up
the trailer to the tow vehicle.
• When reversing ensure any pedestrians and
your assistant are visible at all times.
BREAKAWAY CABLE
The breakaway cable is designed to operate
the handbrake if the trailer becomes detached
from the towing vehicle. It will then detach
itself from the trailer by the spring opening out.
After use, the cable and spring ring should be
replaced to ensure correct future operation.
430 +/- 35mm
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