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    MembersZone Subscriber rmoore's Avatar
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    Dec 1998
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    Default Beware the Piston Bumper

    Here's a teaching point to share with your personnel. This old model vehicle struck a Chevy Blazer SUV hard enough to roll the Blazer onto it's driver's side, trapping the driver inside.

    What's interesting with this car is the damage to the bumper piston system. It's a good opportunity to refresh your crews with the hazards inherent with fluid-filled hydraulic bumper pistons. You can see the stressed piston on the passenger's side and the torn open piston on the driver's side.

    Discuss the circumstances when bumper pistons can be a problem? The obvious is overheating by fire. But what are some other circumstances to be alert to the condition and position of an energy-absorbing bumper system?
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    Ron Moore, Forum Moderator
    www.universityofextrication.com


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