Atlas Copco Hydraulic Breaker HB3600 DP

Warning: This procedure requires trained personnel with PPE!

Cleaned the area around the impact ring?

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

Enter the inside diameter of the lower wear bush

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

If not, replace the lower wear bush

Enter the inside diameter of the upper wear bush

Is the inside diameter of the upper wear bush within permissible limits?

If not, consult the Atlas Copco Customer Center/Dealer in your area for replacement

Warning: This procedure should be performed by trained personnel only.

Is the hydraulic breaker at operating temperature (60-70 °C)?

Lay down the hydraulic breaker.

Do not apply pressure to the working tool.

Remove the threaded plug from the filling valve 'G'.

Enter the pressure reading from the test pressure gauge.

Is the measured value below the required gas pressure?

If yes, add nitrogen into the piston accumulator.

Release the pressure from the piston accumulator.

Warning: Only trained personnel should perform this check

Visual check of the HP-accumulator

Detect any of the following on the HP-accumulator

Broken or missing connecting screws detected?

If yes, the HP-accumulator shells needs to be checked for cracks, deformations and damage to the threaded bores by a professional

All connecting screws must be replaced

Never operate the hydraulic breaker if you detect any damage to the HP-accumulator

The HP-accumulator can be replaced on site

Contact the Atlas Copco Customer Center/Dealer in your area

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 and consult the Atlas Copco Customer Center/ Dealer in your area.

Sign off on the percussion piston impact surface check

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