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Thread: High Pressure Water Warning..

  1. #1
    spoons
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    Default High Pressure Water Warning..

    Heavy duty pressure washers could wreck car tyres in only 5 seconds, drivers are being warned....

    DEKRA found that aiming the spray directly at the sidewall can cause tiny, barely detectable holes to appear on the rubber. This greatly increases the chance for a blow out.

    It was also recommended not to use strong detergents with high pressure water as it can remove important protective chemicals from the compound.

    Its suggested that you avoid pressures of more than 110 bar...

  2. #2
    Regular Member Harry's Avatar
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    i read that article, and it says not to keep the water jet pointing at the same spot for more than 10 ten seconds or something.

    i think provided you use the pressure washer in the 'fan' position you will be fine

    don't know why people would use 'jet' position to clean their wheels anyway!?!?

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    The instructions for my Karcher washer specifically warn that it can damage tyres when used at close range..

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    I can't see any reason why anyone would point the lance at the tyre concetrating on one area..........I simply hose them down then spray on APC, a quick brush then rinse again and apply a dressing.............good point though

    Bryan

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    Bryan, is there anything you don't clean with APC? Just seems to crop up on a regular basis!!

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    Regular Member parapaul's Avatar
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    sorry.....

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    I thought Detailers tried to stay away from pressure washers anyway, opting for a foam gun and a decent foam

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    Regular Member Harry's Avatar
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    Quote Originally Posted by AJA View Post
    I thought Detailers tried to stay away from pressure washers anyway, opting for a foam gun and a decent foam
    not the case.....practically all of the guys who detail for a living over on DW use pressure washers. generally accepted as a safe method of removing dirt provided it's used sensibly.

    it's either use the pressure washer to remove most or all of the dirt or go at it with a mitt and shampoo, which may induce some marring in the form of swirls.

    there's a guy on DW who has mastered the technique of a contact-less car wash, he prewashes using a foam gun, then blasts with a pressure washer, and repeats. provided the car is no caked in grime he doesn't have to pull out a mitt and go over it.

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