Excavator Breaker Maintenance and Safety Guide

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 Excavator breakers are powerful tools essential for construction, demolition, and mining. However, without proper maintenance and safe operation, their performance and service life can decline significantly. This guide outlines key practices for storage, inspection, lubrication, and operation to help you get the most out of your hydraulic breaker.



Storage Guidelines

  • Long-Term Storage:
     Close the shut-off valve, remove soft hoses, detach the steel pin and rear cover, and store with protective spray and cover. Fill the cylinder with nitrogen and anti-rust agents to prevent corrosion.
  • Short-Term Storage:
     Keep the breaker positioned vertically. To avoid piston rusting, always apply proper rust-proof and rainproof measures.

Daily Checks

  1. Oil Level Inspection
     Ensure hydraulic oil is clean and at the correct level before operation. Refill as needed.
  2. Shut-Off Valve Check
     Always confirm the valve is fully open before operating the breaker.
  3. Bolt and Nut Inspection
     Verify that all bolts and nuts are tight and evenly secured.
  4. Bushing & Grease Application
     Regularly inspect bushing clearance. Grease every 2 hours during operation, always after lowering the breaker to the ground.

Warm-Up Before Operation

Operate the breaker at low speed for 10–15 minutes before heavy work. Ideal working oil temperature is between 50–80°C.

Proper Operating Practices

  • Maintain a 90° working angle to maximize efficiency and extend the tool’s life.
  • Avoid hitting at the end of cylinder stroke (keep at least 10 cm distance).
  • Stop immediately after breaking material — never dry fire.
  • Do not strike the same spot for more than 30 seconds, as this can cause overheating and seal damage.
  • Avoid curved, angled, or side strikes to prevent steel rod breakage.
  • Prohibit levering, prying, or sweeping actions, which can damage both breaker and excavator.
  • Never use the breaker as a lifting tool.
  • Avoid underwater operations unless the breaker is specially modified for such use.

Additional Safety and Maintenance Tips

  • Leak Inspection: Regularly check all hoses and connections for leakage.
  • Filter Replacement: Replace filters after every 200 hours of operation to maintain hydraulic system health.

Final Thoughts

Proper care and safe handling of your hydraulic breaker will not only extend its lifespan but also improve operational efficiency and reduce costly downtime. By following the above guidelines — covering storage, inspection, lubrication, warm-up, and correct operating techniques — you’ll ensure your equipment stays in peak condition.


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