Atlas Copco Hydraulic Breaker HB4100

Warning: Chisel paste is environmentally harmful and must not penetrate the ground or enter the water table or water supplies.

Dispose of chisel paste polluted by dust and of cloths with chisel paste in accordance with the applicable regulations to avoid environmental hazards.

Can the floating ring (E) move freely?

Regular cleaning and greasing of the installed parts and their holders safeguards their operation and improves the availability of the hydraulic breaker.

The inspection frequency depends on how much dust is generated.

Select the dust generation level

Is the floating ring, counter ring and guide ring removed?

Is the space in front of the flexible wiper clean of all loose dust?

The tip of the working tool gets very hot during operation

Never touch the hot working tool

If you have to carry out any activities, wait for the working tool to cool down first

Remove the working tool (see the chapter Dismantling the working tool)

Check the impact surface of the working tool for chips and cracks

Check the impact surface of the working tool for deformation

Check both retainer bars whenever replacing working tools

Rework or replace the retainer bars if you find any signs of wear, such as sharp edges, notches or severe erosion

Deburr the retainer bars by careful grinding

Install the retainer bars in their reversed orientation if they cannot be reworked anymore

Replace the retainer bars if both sides cannot be reworked anymore

Check both plugs for the retainer bars

Sign off on the retainer bar check

Warning: This procedure requires trained personnel with PPE!

Enter the operating hours of the machine

Cleaned the area around the impact ring?

Removed all remnants of lubricant from the inside of the lower breaker part?

Lower wear bush replaced on site?

Consulted the Atlas Copco Customer Center/Dealer in your area?

Enter the inside diameter of the lower wear bush

Is the inside diameter of the lower wear bush within permissible diameter?

Enter the inside diameter of the upper wear bush

Visual check of the tensioning bolts through the service openings placed at the top of the breaker box's rear side

Check the screw connections and tighten as required

Check the pins in the retainer bars

Check that the plugs of the retainer bars are in place and are not damaged

Check the connecting fittings of the ContiLube® II system for leaks

Sign off on the hydraulic breaker maintenance