BlankOne of the messages that came into my e-letter box that may be worth
glancing at..
According to the respected German safety and testing organisation, DEKRA, if
a pressure washer nozzle is held too close to the sidewall of a tyre at high
pressure, serious damage can result in as little as five seconds! Even
tyres that appear to be unaffected after being exposed to a pressure washer
may have microscopic perforations which can weaken the tyre sidewall and
cause deflation, leading to a possible blow-out. Other factors, says
mytyres.co.uk, that may cause deterioration or damage to tyres include some
soaps and detergents. These can remove protective chemicals that are
embedded in the sidewall they can sometimes be identified visually on the
tyre as brown watermarks resulting in a significant reduction in
durability.
Motorists considering using a pressure washer on their cars should adhere to
the following tips:
a.. Ideally, use a light to medium duty pressure washer (110 bar or less)
b.. Keep the washer nozzle at least 20cm from the tyre surface
c.. Always use a fan nozzle to clean tyres, rather than a circular nozzle
d.. Avoid prolonged jet washing of any one area of the tyre
e.. Avoid aiming the water jet at the join between the tyre and wheel rim
Best wishes to all,
Guy R Day
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