022-00029AE Operation and Maintenance Manual
Safety 1-37
PRECAUTIONS WITH HIGH PRESSURE LINE, TUBES AND HOSES
When inspecting or replacing high-pressure piping or hoses, check that the pressure has been released
form the circuit. Failure to release the pressure may lead to serious injury. Always do the following;
•
Wear protective glasses and leather gloves.
•
Fluid leaks from hydraulic hoses or pressurized components can be difficult to see but
pressurized oil has enough force to pierce the skin and cause serious injury. Always use a piece
of wood or cardboard to check for suspected hydraulic leaks. Never use your hands or expose
your fingers.
•
Do not bend high pressure lines. Do not strike high pressure lines. Do not install lines, tubes or
hoses that are bent or damaged.
•
Make sure that all clamps, guards and heat shields are installed correctly to prevent vibration,
rubbing against other parts, and excessive heat during operation.
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If any of the following conditions are found, replace the part.
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Damage or leakage from hose end.
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Wear, damage, cutting of covering, or exposure of strengthening wire layer.
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Cover portion is swollen in places.
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There is twisting or crushing at movable parts of hose.
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Foreign material is embedded in the covering.
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Hose end is deformed.
OBTAIN IMMEDIATE MEDICAL ATTENTION IF PRESSURIZED OIL PIERCES SKIN.
WARNING!
Failure to obtain prompt medical assistance could result in gangrene or other serious damage to
tissue.
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Figure 32
