5 Working Operation of the machine
58 TL80
Procedure for changing work attachments with
hydraulic quick-attach system
• Lower the work attachment onto the ground
and position so that it cannot tilt.
• Switch off the diesel engine.
• Operate the push-button switches (25/5) for
pressure relief.
• In the case of a hydraulically operated work
attachment: The hydraulic connections on both
manifold blocks must be disconnected.
• Ball valve (26/1) in position "Unlock quick-
attach system”.
• Start diesel engine.
• Pressing the button (25/47) once activates the
control knobs (25/5).
• Unlock the quick-attach system (25/5) and
move out of the work attachment.
• Take up new work attachment and lock by
pressing the push-button switch (25/5).
Perform a visual check to ensure
that the quick-attach system is
correctly locked.
• Switch off the diesel engine.
• Operate the push-button switches (25/5) for
pressure relief.
• Ball valve (26/1) in position "Quick-attach
system locked".
• Connect the hydraulically operated work
attachment to the connection of the additional
control circuit.
The additional control circuit (25/47)
must be switched off unless a
hydraulically operated additional
attachment is connected.
Fig. 25 Operation
Fig. 26 Hydraulic quick-attach system
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