03 - Attachments, Couplings and Load Handling
10 - Excavator End Quickhitch
00 - General
03 - 9 9813/7900-2 03 - 9
Remove and Install
General
WARNING Always install the quickhitch latch
hook locking pin (mechanical only). Failure to
install the pin will result in possible failure of the
latching mechanism. Such a failure could result
in the sudden release of an attachment from the
machine and you or others could be killed or
seriously injured.
WARNING The attachment will move when
released. Stand clear and to one side when
releasing the attachment.
WARNING The quickhitch sequence must not be
entered unless a constant tone buzzer is heard.
This can be identified on start up of the machine.
Check the constant tone buzzer operation daily.
CAUTION When the quickhitch is installed and
its attachment attached, It is possible to strike the
cab and the underside of the boom or dipper with
some attachments. Use great care with the boom
and dipper to keep the attachment away from the
operator cab.
CAUTION When the quickhitch is attached to the
machine, allowance must be made for the weight
of the quickhitch on the rated operating load. The
mass of the Quickhitch is stamped on the data
plate.
The excavator Quickhitch, which is attached to the
dipper enables fast removal and installation of the
bucket (and other attachments).
There are two types of Quickhitch available - manual
and hydraulic.
Compatibility of the Quickhitch must be checked with
Quickhitch manufacturer. For the Quickhitch system
pressure figures: Refer to: PIL 30-00-00.
Put the Quickhitch attachments on solid, level ground
to make the installation procedure safe and easier.
Installation
This operation is easier done by two people, one
person to operate the controls and one to line up the
pivots.
1. Before the Quickhitch is installed, make sure
that the tipping lever locking bolt assembly is
attached with the nut and any lifting shackle is
removed.
2. Put the Quickhitch on solid, level ground. Use the
safe and correct lifting equipment to move the
Quickhitch.
3. Move the machine so that the dipper arm and
Quickhitch are correctly aligned as shown. Refer
to Figure 7.
4. Engage the dipper:
4.1. Operate the controls to line up the hole
in the dipper arm with the holes in the
Quickhitch.
4.2. Install the pivot pin and secure it with the nut
and bolt.
5. Engage the bucket link:
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