Routine Maintenance
Tyres and Wheels
176 176
9811-3400-4
Tyres and Wheels
Tyre Inflation
Introduction
T3-066
!MWARNING
An exploding tyre can kill. Inflated tyres can explode if
over-heated or over-inflated. Follow the instructions
given when inflating the tyres. Do not cut or weld the
rims. Use a tyre/wheel specialist for all repair work.
2-3-2-7_2
!MWARNING
Wheels and tyres are heavy. Take care when lifting or
moving them.
Store with care to ensure that they cannot fall and
cause injury.
13-3-1-7_1
Always try to maintain your tyre pressure to the
recommended settings. Using your machine with under-
inflated tyres means:
– Decreasing the machines stability
– Higher tyre temperatures
– Excessive strain of the tyre fabric
– More bulging of the sidewalls
– Shortens the tyres life.
Using the machine with over inflated tyres is dangerous:
– It causes excessive tensile loads in the fabric: this
makes a tyre more susceptible to cuts and punctures.
Do not cut or weld on the rim of an inflated tyre.
After checking or amending the tyre pressure always
replace and secure the valve cap.
Always deflate the tyre before removing foreign obstacles
from the tread.
Procedure
T3-067_2
These instructions are for adding air to a tyre which is
already inflated. If the tyre has lost all its air pressure, call
in a qualified tyre mechanic. The tyre mechanic should use
a tyre inflation cage and the correct equipment to do the
job.
1 Prepare the wheel.
Before you add air to the tyre, make sure it is correctly
fitted on the machine or installed in a tyre inflation
cage. K
Fig 131. ( T 176).
2 Prepare the equipment.
a Use only an air supply system which includes a
pressure regulator. Set the regulator no higher
than 1.38 bar (20 psi) above the recommended
tyre pressure. For recommended tyres and
pressures for your machine, see Specifications,
Tyre Sizes and Pressures.
b Use an air hose fitted with a self-locking air chuck
and remote shut-off valve.
3 Add the air.
a Make sure that the air hose is correctly connected
to the tyre valve. Clear other people from the area.
Stand behind the tread of the tyre while adding the
air.
b Inflate the tyre to the recommended pressure. Do
not over-inflate.
A089570-1
Fig 131.
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