Page 244
CAT: 8612 November 2019
PREVENTIVE MAINTENANCE
It is also important to regularly have a wheel alignment:
• Too much air pressure reduces the tyre tread contact area and
results in rapid wear in the centre of the tyre. It also causes tyres
to run hard and makes them more vulnerable to impact and other
road hazard damage.
Proper Inflation -
The correct profile
for full contact with the road.
Underinflation -
Causes abnormal
tyre deflection, which builds up
excessive heat, running the risk of
failure. It also causes irregular wear.
Overinflation -
Reduces the tread
contact area with the road surface,
concentrating all of the vehicle weight
on the centre of the tread. This causes
premature wear of the tyre.
Tread Contact
with Road
Tread Contact
with Road
Tread Contact
with Road
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