hydraulic breaker maintenance

Every 8 working hours or once a day, winding inspection is required.Inspection items include:

• loose bolts, oil leaks, damaged parts, defective parts and worn parts

• check the overall condition of the work tools

• shake each member

• check the overall condition of the hydraulic system

• check bracket for loose bolts or missing bolts

• check the condition of hydraulic lines and joints

• check the hydraulic flange for appropriate torque

• check the drill stem and lower bushing for wear

• replace any damaged or worn parts before operating the hammer

Check the following three items every 10 working hours or once a week

1) check the hydraulic device

• check hydraulic lines for damage or wear

• check hydraulic joints for damage or leakage

• check connection hose for damage or wear

• check all fixtures

• replace any damaged or worn parts before operating the hammer

Check hydraulic gear

2) drill rod inspection

• remove drill rod from crushing hammer

• check the drill rod for wear and remove burrs if necessary.Check the slot of the locating pin to remove any burrs

• check the locating pin to remove burrs on the locating pin. If the locating pin is excessively worn, please replace it

• measure the size of rod B in area A. If the wear limit is exceeded, please replace it

Check the drill rod

3) bushing inspection

• clean the inside of the bushing

• for large crushing hammers, if the first groove (1) is worn and the second groove (2) is visible, it can be rotated • 90 degrees to be reused. If both grooves (1) and (2) are worn, bushing must be replaced

• for small crushing hammers, the bushing must be replaced if size (A) exceeds the wear limit