Terex TL120 Operating Instructions Manual page 55

Procedure for changing work attachments with
hydraulic quick-attach system
• Lower the work tool to the ground and position so
that it cannot tip over.
• Switch off the diesel engine.
• Switch on the ignition.
• Operate the push-button switches (24/5) for
pressure relief.
• In the case of a hydraulically operated work
attachment: The hydraulic connections on both
manifold blocks must be disconnected.
• Ball valve in position "Unlock quick-mount hitch"
(Fig. 25).
• Start diesel engine.
• Unlock the quick-mount hitch (24/5) and move out
of the work attachment.
• Take up new work attachment and lock by
pressing the push-button switch (24/5).
Danger to life
due to incorrectly fastened work attachments.
• Visual check to ensure that the quick-
mount hitch is correctly locked.
• Switch off the diesel engine.
• Switch on the ignition.
• Operate the push-button switches (24/5) for
pressure relief.
• Ball valve in position "Quick-mount hitch locked"
(Fig. 25).
• Connect the hydraulically operated work
attachment to the connection of the additional
control circuit.
Machine damage
due to additional control circuit which has not
been switched off.
• The additional control circuit (24/47) must
be switched off unless a hydraulically
operated additional attachment is
connected.
Operating Instructions Wheel Loader TL120
Working Operation
Fig. 24 Operating the quick-attach system
Fig. 25 Releasing and locking the hydraulic quick-mount
hitch
5
5
47
L824-025
55