5 Work Operation
TC29
44
5.3.2 Assembly of work attachments
The bearings of the quick-mount hitch
and work attachment, or on the
dipperstick, bucket rod and work
attachment must be free of dirt.
Procedure for changing attachments without
quick-attach system
In the case of a hydraulically controlled
work attachment, first of all the hydraulic
connection must be disconnected (no
pressure in system).
• Lower the work attachment to the ground and
position so that it cannot tilt.
• Remove the bolts which connect the
attachment to the dipperstick and the bucket
rod.
• Mount another work attachment.
Procedure for changing work attachments with
quick-attach system
• In the case of a hydraulically
controlled attachment, first of all the
hydraulic connection must be
disconnected.
• The system must be relieved of
pressure before hydraulic connections
are disconnected.
• For replacement, the work attachment must be
lowered to the ground and positioned so that it
cannot tilt.
• The quick-mount hitch is then opened with the
control rod (28/1) until the locking bolts are
completely retracted.
• Move the quick-mount hitch out of the work
attachment.
• Check the function of the quick-mount hitch lock
and grease the bolts if necessary.
• Attach another work attachment and close the
quick-mount hitch until the locking bolts are
completely extended and the lock is in place.
• The control rod must be kept in the operator’s
cab.
Fig. 28 - Quick-attach system
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