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