Atlas Copco Hydraulic Breaker HB4100

Warning: This check requires trained personnel with PPE!

Enter the machine's hour meter reading

Upload a photo of the dismantled working tool

Is the percussion piston impact surface chipped?

Are there any visible cracks on the percussion piston impact surface?

If the surface is chipped or cracked, do not use the hydraulic breaker again

Enter the name and contact of the Atlas Copco Customer Center/ Dealer in your area

Sign off on the percussion piston impact surface check

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

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 that the pipe clamps on the carrier are tight

Check the screw connections of the swivel joint covers and tighten as required

Replace damaged swivel joint covers

Sign off on the daily hydraulic breaker maintenance