Removing the hydraulic
attachment from the carrier
◆
Place the hydraulic attachment on timber
support blocks.
Dismantling the hydraulic connections
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 Hydraulic hose flailing about
Pressurised hydraulic hoses will flail about when
bolted connections have come loose or have been
loosened. A hydraulic hose flailing about may
cause serious injuries.
►
Depressurise the hydraulic system before
disconnecting a hydraulic hose (see chapter
Depressurising the hydraulic system).
WARNING Hot parts
The percussion unit, the working tool, hoses, pipes
and fittings become very hot during operation.
Touching them may lead to burns.
►
Never touch hot parts.
►
If you have to carry out activities where you
have to touch the parts, wait for them to cool
down first.
◆
Close all shut-off valves in the installation at the
boom if no quick couplings are used.
◆
Disconnect the hose lines to and from the
hydraulic attachment at the boom side.
◆
Close off all open hose ends.
Mechanical disassembly
◆
You need an assistant to remove the hydraulic
attachment.
◆
Agree on hand signals with your assistant, to
enable him to help you move the boom.
WARNING Injury by impacts
A sudden movement of the carrier may cause your
assistant to be hit and injured by the boom or the
hydraulic attachment.
►
Only move the boom very slowly and in a
controlled manner while an assistant is within
the danger zone.
►
Always keep sight of your assistant.
WARNING Metal chips shooting off
When hammering out bolts, chips may shoot off
and cause serious eye injuries.
►
Wear safety glasses when hammering out the
bolts.
◆
Remove the bolt locks from the stick and
linkage bolts.
◆
Drive out the linkage bolt with a steel arbor and
a hammer.
◆
Switch on the carrier.
◆
Retract the bucket cylinder.
◆
Drive out the stick bolt with a steel arbor and a
hammer.
◆
Move the carrier stick out of the adapter plate.
Removing the adapter plate
◆
Loosen the fastening screws of the adapter
plate.
◆
Lift the adapter plate with a suitable lifting
equipment and put it down on timber support
blocks.
◆
Lock the elastic pad with the transport safety
device.
◆
Save the fastening screws and the pairs of lock
washers for future use.
HB 2000, 2000 DP, 2500, 2500 DP Safety and operating instructions
© Construction Tools GmbH | 3390 5090 01 | 2016-05-23
Original instructions
27
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