Frelander 2. Manual — part 726
Wheels and tyres
182
L
Pressure compensation for ambient
temperature changes
If the ambient temperature drops, the tyre
pressures will decrease, which may cause
under inflation. This should be borne in mind
when travelling to, or through, areas of lower
temperature.
Under inflation causes the tyre side wall height
to reduce, which in turn results in uneven tyre
wear, and a risk of tyre failure.
Tyre pressures may be adjusted before setting
off on a journey to, or through, areas of low
temperature. Alternatively, the tyre pressures
can be adjusted when low temperature areas
are reached.
Note: If the tyre pressures are to be adjusted in
the lower temperature area, the vehicle should
be left standing for at least one hour prior to
adjustment.
Tyre pressures should be increased by 0.14
bar/14 kPa (2 lbf/in²) for each 10 °C (20 °F)
temperature decrease.
Flat spots
If the vehicle is stationary for a long period
when the ambient temperature is high, the
tyres may form flat spots. When the vehicle is
driven these flat spots will cause a vibration
which will steadily disappear as the tyres warm
up and regain their original shape.
In order to minimise flat spotting, the tyre
pressures can be increased.
Tyre pressures should be increased by 0.14
bar/14 kPa (2 lbf/in²) for each 10 °C (20 °F)
temperature increase above 20 °C (68 °F).
Long term storage
Flat spotting can be minimised during long
term storage by increasing the tyre pressures
to the maximum indicated on the tyre sidewall.
Note: The tyre pressures should be reduced to
the correct pressure before the vehicle is
driven.
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E80322
183
Wheels and tyres
R
USING WINTER TYRES
If winter tyres are fitted to the vehicle, the tyre
manufacturers instructions should be
followed. Pay particular attention to
instructions regarding the maximum speed
that the vehicle can be driven, and the correct
pressures for the tyres.
CHANGING A ROAD WHEEL
To access the spare wheel and tool kit :-
1. Lift the floor panel.
2. Pull the floor panel towards the rear of the
vehicle and remove it from the vehicle.
3. Slacken the spare wheel locking ring.
4. Undo and remove the retaining bolt.
5. Remove the spare wheel.
6. Remove the tool kit.
Note: When replacing the spare wheel ensure
that the retaining bolt is screwed fully home
before tightening the clamping ring.
3
4
1
2
5
E80161
WARNINGS
The spare wheel is heavy and if handled
incorrectly may cause injury. Use
extreme caution when lifting or manoeuvring
the wheels.
Always secure the spare wheel, or the
removed wheel, in the correct position
using the retaining bolt. Failure to do so may
cause the spare wheel to move in the event of
a sudden manouevre or accident, leading to
death or serious injury.
Ensure that the floor panel is placed
where it cannot fall and cause injury
when it is removed from the vehicle.
When removing or replacing the floor
panel ensure that fingers and hands are
kept clear. Failure to do so may result in crush
injuries.
Wheels and tyres
184
L
Wheel changing safety
Before raising the vehicle, or changing a wheel
ensure that you read, and comply with the
following warnings.
WARNINGS
Always find a safe place to stop, off of
the highway and away from traffic.
Ensure that the vehicle is on firm level
ground.
Disconnect trailer/caravan from
vehicle.
Switch on the hazard warning lamps.
Ensure that all passengers, and
animals, are out of the vehicle, and in a
safe place away from the highway.
Place a warning triangle at a suitable
distance behind the vehicle, facing
towards oncoming traffic.
Ensure that the front wheels are in the
straight ahead position, and engage the
steering lock.
Apply the parking brake, and engage
Park in vehicles fitted with an automatic
transmission.
Apply the parking brake, and engage
1st or reverse gear in vehicles fitted
with a manual transmission.
Ensure that the jack is on firm level
ground.
Never place anything between the jack
and the ground, or the jack and the
vehicle.
Always chock the wheels using suitable
wheel chocks. Place the chocks on both
sides of the wheel diagonally opposite the
wheel to be changed.
If jacking the vehicle on a slight slope is
unavoidable, place the chocks on the
downhill side of the two opposite wheels.
Take care when lifting the spare wheel,
and removing the punctured wheel. The
wheels are heavy, and can cause injuries if not
handled correctly.
Remove the spare wheel prior to
jacking the vehicle. To avoid
destabilising the vehicle when raised.
Take care when loosening the wheel
nuts. The wheel brace may slip off if not
properly attached, and the wheel nuts may
give way suddenly. Either unexpected
movement may cause an injury.
WARNINGS
185
Wheels and tyres
R
Positioning the jack
1. Read and observe the warnings in Wheel
changing safety.
2. Loosen the wheel nuts half a turn
(anti-clockwise).
3. Position the jack beneath the relevant
jacking point.
4. Raise the vehicle using the jack with a slow
steady operation. Avoid rapid, jerky
actions as they may cause the vehicle/jack
to become unstable.
5. Remove the wheel nuts and place them
together where they cannot roll away.
6. Remove the wheel and place to one side.
Do not lay the wheel on it's face, as this
may damage the finish.
7. Re-fit the wheel nuts, and lightly tighten
them. Ensure that the wheel is making
contact with the hub evenly.
8. Ensure that the space under the vehicle is
clear of obstructions, and lower the vehicle
slowly and smoothly.
9. With all wheels on the ground and the jack
removed, fully tighten the wheel nuts. The
wheel nuts should be tightened in
sequence to the correct torque of 133 Nm
(98 lb.ft).
10. If an alloy spare wheel is to be fitted, using
a suitable blunt tool, knock the centre cap
out of the removed wheel. Using hand
pressure only, press the centre cap into the
newly fitted spare.
11. Check and adjust the tyre pressure as soon
as possible.
WARNINGS
Never work beneath the vehicle, or
place any part of your body beneath the
vehicle with the jack as the only means of
support. Always use suitable vehicle support
stands which are approved for the weight of
the vehicle.
Ensure that the jack is correctly located
onto the jacking point.
E80178
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