Atlas Copco Hydraulic Breaker HB3100

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;

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

Daily Tasks for the first 50 operating hours

After the first 50 operating hours

Replace the oil filter cartridges

During the first operating week

Check the fill pressure of the HP-accumulator

Sign off on the hydraulic breaker service

Warning: This procedure requires trained personnel with PPE!

The gas pressure changes with the gas temperature. Before checking the gas pressure it is necessary to wait until the temperature of the HP-accumulator has levelled to about 20 °C

Enter the current temperature of the HP-accumulator

Place the hydraulic breaker on timber support blocks. The breaker box service opening must be facing upwards

Is the hydraulic breaker placed correctly?

Depressurise the hydraulic system before disconnecting a hydraulic hose

Is the hydraulic system depressurised?

Remove the cover of the service opening

Is the cover of the service opening removed?

Warning: This check requires trained personnel with PPE!

Visual check of the HP-accumulator

If any damage is detected, replace the complete HP-accumulator

Check for the following damages

Are any connecting screws broken or missing?

If broken or missing connecting screws are detected, the HP-accumulator shells need to be checked by a professional

Check for cracks, deformations and damage to the threaded bores

All connecting screws must be replaced

Is there any damage to the HP-accumulator?