StartSelect System AutoStop/
AutoStart
The StartSelect System enables you set the start
and switch-off behaviour of the hydraulic breaker to
the relevant conditions.
The hydraulic breaker is factory-set to the
“AutoStop” setting (=automatic switch-off), i.e. the
breaker is switched on while exerting pressure on
the working tool in the “AutoStop”. However it will
switch off automatically during operation when the
percussion piston no longer hits the working tool.
Idling strokes are avoided this way.
This setting is an advantage when using the
breaker on a stable surface:
•
trenching
•
slope construction in quarry operations
•
digging foundations in rocks
•
reducing large concrete structures
You can integrate the StartSelect valve the other
way around to quickly adjust the hydraulic breaker
to the “AutoStart” (=easy start) integration setting.
The hydraulic breaker starts in its working position
after switching on without exerting pressure on the
working tool in the “AutoStart” (=easy start)
integration setting.
This start behaviour enables greater productivity
and easier handling when working on unstable
surfaces, e.g.:
•
block holing in broken ground or debris
•
working in horizontal and/or overhead positions
•
reducing light concrete structures
Switching between AutoStop/AutoStart
◆
Place the hydraulic breaker on timber support
blocks.
WARNING Unexpected movement
Sudden movements of the carrier may cause
serious injury.
►
Secure the carrier such that it cannot move
unexpectedly.
►
Observe the carrier manufacturer’s instructions.
WARNING Jets of hot hydraulic oil can
escape
The hydraulic system is under high pressure. If
hydraulic connections come loose or are
disconnected, hydraulic oil will squirt out under
high pressure. Hydraulic lines may spring a leak or
burst. Hydraulic oil squirting out can lead to serious
injury.
►
Depressurise the hydraulic system before
connecting or disconnecting the hydraulic
circuits of the hydraulic attachment (see chapter
Depressurising the hydraulic system).
◆
Close all shut-off valves in the system at the
boom if no quick couplings are used.
◆
Disconnect the hoses to and from the hydraulic
breaker on the boom side.
◆
Plug up all open hose ends.
“AutoStart” integration setting
“AutoStop” integration setting
HB 2000, 2000 DP, 2500, 2500 DP Safety and operating instructions
© Construction Tools GmbH | 3390 5090 01 | 2016-05-23
Original instructions
39
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