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Mine Safety and Health Administration MSHA's Accident Prevention Program
Safety Idea

Dangers of a Failed Hydraulic Hose

Safety Something YOU can live with!
Mine Type: All Mines
Category: Maintenance and Mobile Equipment

When not properly maintained, any hose used in a hydraulic system or connected to a pressure source is a potential danger. Hazards include:

  • Fluid Injections - Fine streams of pressurized fluid escaping from a damaged hose can enter the body and cause tissue damage. Remember, hydraulic fluid is TOXIC!
  • Whipping Hoses - Whip action of hose ends after hose separates can strike a person with deadly force.
  • Fluid Burns - Fluid escaping from a damaged hose can burn skin even without igniting.
  • Fires and Explosions - Escaping fluid exposed to a source of ignition may burn or explode. Guard hoses from exposure to ignition sources.
  • Electrical Shock - Hoses can contain conductive reinforcement material or conductive fluid. Avoid routing near electrical equipment.
  • Mechanical failure - Machinery driven or supported by hydraulics can move unexpectedly when a hose supplying that machine fails and results in loss of hydraulic pressure.
Inspect hoses regularly for:

  • Exposed reinforcement wires
  • Leaks
  • Damaged or corroded fittings
  • Excessive dirt or grease buildup
  • Missing guards, shields, and clamps
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Issued: 06/09/2006
Tag # AP2006- 0092690