Working Operation of the machine 5
TW9 59
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.
• In the case of a hydraulically activated work
attachment, start the ignition and press the
rocker switch (25/47) once.
• Push the roller (25/7) forwards and backwards
repeatedly to relieve the pressure of the quick
couplings.
• Switch off the ignition.
• Release the hydraulic quick couplings on both
distributor blocks.
• Switch the ball valve (26/1) to the "Unlock
quick-attach system" position.
• Start the diesel engine.
• Activate the auxiliary circuit with the rocker
switch (25/47).
• Unlock the quick-attach system with the roller
(25/7) and move out of tool.
• Pick up new tool and lock with the roller (25/7).
Perform a visual check to ensure
that the quick-attach system is
correctly locked.
• Switch off the diesel engine.
• In the case of a hydraulically activated work
attachment, start the ignition and press the
rocker switch (25/47) once.
• Push the roller (25/7) forwards and backwards
repeatedly to relieve the pressure of the quick
couplings.
• Switch off the ignition.
• 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.
7
47
L1002_25
Fig. 25 Operation
Fig. 26 Hydraulic quick-attach system
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