CAT: 8612 November 2019
Page 243
PREVENTIVE MAINTENANCE
TYRE INFLATION
Most tyre wear problems are caused by underinflation. So you will want to
check tyre pressure regularly. Give the tyres a visual test every day and
check inflation with a gauge every week. When checking tyre pressure,
inspect each tyre for damage to sidewalls, cuts, cracks, uneven wear, rocks
between dual wheels (tyres) etc. If a tyre appears underinflated, check for
damage to the wheel assembly. Do not forget to check between dual wheels.
If you find wheel damage, have an expert tyre service repair it.
Pressure should be checked when the tyres are cool. Warm or hot tyres
cause pressure buildup and will give you an inaccurate reading.
Never
deflate a warm tyre to the specified pressure.
Underinflated tyres will
adversely affect the operation of the vehicle and tyres:
•
making steering difficult
• causing extra strain on the tyre sidewalls
• reducing the tread life of tyres due to the high temperatures generated
from excess flexing of the tyre
Recommended maximum vehicle operating speed, 100km/h.
Recommended Laden Tyre Pressures
Application Rim Size
Tyre Size
Cold Inflation Pressure
Steer Tyres
Except
All Sizes
385/65R22.5
827kPa (120psi)
620kPa (90psi)
Drive Tyres
All Sizes
689kPa (100psi)
Trailer Tyres
All Sizes
689kPa (100psi)
For full tyre pressure specifications laden and unladen, refer to the tyre
manufacturer for details.
Inflate tyres to the manufacturer’s cold-air pressure specification moulded
into the tyre sidewall. Do not exceed these specifications.
Summary of Contents for T410
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