29
4.6.
Troubleshooting
Functional fault
Cause
Remedial measures
The breaker does not
move.
Tool blocked.
Remove and replace the tool.
Defect in the rubber hose with quick
connector (no oil).
Check the hose; repair/replace the quick
connectors.
Defect on the control valve of the breaker
circuit.
Check and set the high-pressure valve of
the excavator to 40 bar above the operating
pressure of the breaker.
Insufficient hydraulic oil in the excavator
tank.
Refill to the correct oil level.
Breaker damaged.
Remove the breaker and have the
functionality checked by an expert.
Weak impact force.
Insufficient oil flow.
Restore correct oil flow; check operating
pressure.
Oil temperature in the tank is too high.
Check the oil level in the tank and the
functionality of the cooling circuit.
Insufficient oil pressure.
Check and set the high-pressure valve of
the excavator to 40 bar above the operating
pressure of the breaker.
Insufficient nitrogen pressure in the upper
part.
Refill the nitrogen in the upper part.
Low frequency and high
energy per impact.
Tool blocked in the lower area of the upper
part.
Attempt to extract the tool and mount it
again.
Breaker partially blocked.
Impact mass or other dynamic element
damaged.
Oil loss from the tool.
Cylinder seals worn out.
Remove the breaker and replace all seals.
Scratches on the piston.
Remove the piston and clean it.
Oil loss from the hydraulic
connections.
Connections not tightened.
Tighten the connections to the
recommended rotation torque.
Seals leaking.
Replace the seals.
Oil loss between the upper
part and the cylinder.
Seals leaking.
Replace the seals.
Operating temperature
too high.
Oil flow greater than expected.
Reduce oil flow to the breaker.
Increased ambient temperature.
Install additional heat exchangers.
Insufficient oil in the excavator tank.
Fill to the correct oil level in the excavator
tank.
The high-pressure valve of the excavator
not set.
Check and set the high-pressure valve of
the excavator to 40 bar above the operating
pressure of the breaker.
Summary of Contents for AUGERTORQUE SB Series
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