Working with safety equipment
Underwater applications
Using the hydraulic breaker in and under water is
possible if it has been fitted out with special safety
equipment.
A special connection kit for underwater use was
developed to avoid damage to the hydraulic breaker.
It contains all the necessary components including
the safety facilities to keep the interior of the lower
breaker part free from water by using external
compressed air.
Specific documentation, has been drawn up,
including operating instructions and a spare parts
list, for underwater usage.
♦
Before using the hydraulic breaker in or under
water, consult the Atlas Copco Customer
Center/Dealer in your area.
Usage in tunnels
Using the hydraulic breaker for tunnelling with
overhead operations and horizontal applications or
for river bed excavation/slope construction is possible
if it has been fitted out with special safety equipment.
Dust and stone particles and/or water penetrating
the hydraulic breaker can lead to operating failures
and can even cause the hydraulic breaker to
malfunction completely.
Preventative measures to protect the hydraulic
breaker have been collected in separate
documentation.
♦
Before using the hydraulic breaker for tunnelling
work, consult the Atlas Copco Customer
Center/Dealer in your area.
Hot applications
Using the hydraulic breaker in a hot environment is
possible if it has been fitted out with special safety
equipment.
♦
Before using the hydraulic in a hot environment,
consult the Atlas Copco Customer Center/Dealer
in your area.
AutoControl System
The AutoControl System is a combination of a
pressure-maintaining and reversing valve.
The AutoControl System protects the breaker from
damage if blank firing occurs.
The pressure-maintaining valve makes sure that the
hydraulic breaker switches correctly in all operating
situations. It enables up to 30 % energy to be
recovered when working on hard rock.
The reversing valve automatically switches over the
hydraulic breaker to a shorter stroke to reduce the
single-impact energy.
AutoControl in daily use
The system works automatically without any manual
intervention by the carrier operator and automatically
adjusts to the conditions of use.
If the situation requires a high single blow energy,
the system produces a full stroke and a high single
blow energy.
AutoControl in special applications
For special applications, e.g. work with very little
percussion, the AutoControl System can be blocked
mechanically at a high impact rate with a reduced
single-impact energy.
For further information, please contact the Atlas
Copco Customer Center/Dealer in your area.
37© 2012 Atlas Copco Construction Tools GmbH | No. 3390 5005 01 | 2012-05-03
Original instructions
OPERATIONHB 5800, 5800 DP, 7000, 7000 DP, 10000 DP
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