Safety precautions
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n Beware of hydraulic oil
• High pressure diesel oils and hydraulic oils can cause serious injury or death if they get the skin
or eyes. Use pasteboard or woodenboard to check oil leakage, not your bare hands. Hydraulic oil
leakage from a pin hole is sometimes invisible.
• If hydraulic oil gets into skin, get emergency medical treatment immediately or death may result.
• Fatigued, deteriorated, or damaged hoses may break and high-pressure oil may gush out. Do not
touch hoses.
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n Relieve hydraulic pressure before maintenance
• Loosening hydraulic lines (i.e. cap, hose, piping and filter) without relieving pressure can cause
hydraulic oil to blow out. Shut the stop valve of the breaker line.
• Before performing maintenance, make sure the temperature of each part cools down. Then
relieve pressure on hydraulic system by following manufacture's instructions for your machine.
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n Prevent a fall without fail!
• If inspecting or repairing while the breaker is above the ground, be careful not to drop the breaker
suddenly. Use a safety support or safety block as a receiving stand. If the breaker cannot be held
firmly, do not do inspection or repair under the breaker.
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n Be careful when cutting bolts
When cutting bolts compressing rubbers and springs by a torch, parts may come out and can cause
serous injury.
Make sure that all personnel and materials are clear of the work area to prevent accident.
When using a torch to cut a bolt near the hydraulic breaker, the hydraulic oil may catch a fire.
Never heat the breaker to prevent an explosion.
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