Atlas Copco Hydraulic Breaker HB2000

Warning: This service requires trained personnel with PPE!

Screw connections tightened daily during the first 50 operating hours?

Oil filter cartridges replaced after the first 50 operating hours?

Fill pressure of the HP-accumulator during the first operating week

Sign off on the hydraulic breaker service

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 should be performed by trained personnel only.

Enter the current gas pressure in the piston accumulator

Is the gas pressure equal to or less than the minimum gas pressure?

If yes, proceed to top up the piston accumulator. If no, release the pressure from the piston accumulator.

Warning: Do not use nails, a screwdriver or similar objects to release nitrogen gas from the piston accumulator.

Enter the new gas pressure after releasing gas from the piston accumulator

Is the new gas pressure within the required range?

If yes, proceed to install the threaded plug in the filling valve. If no, repeat the gas release process.

Warning: Ensure there is nobody within the direct vicinity of the working tool when filling 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 replaced?

Any damage to the HP-accumulator detected?

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

HP-accumulator replaced on site?

Check the adapter plate and the breaker box for cracks every week

Have rework activities or repairs carried out in time to avoid major damage

The wear rails in the lower section of the breaker box can be replaced as required

Please consult the Atlas Copco Customer Center/dealer in your area

NOTICE! If the wear rails have worn severely, this may cause damage to the basic body of the breaker box

Carry out this visual check whenever the hydraulic attachment has been removed from the carrier

Check the adapter plate bolts for excessive wear such as cracks, pitting or severe erosion