Komatsu PC450-8, Operation & Maintenance Manual

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MACHINE OPERATIONS AND CONTROLS
OPERATION
3-166
3. After removing the bucket, reverse it.
4. Align arm (5) with replacement bucket hole (1), then align
link (6) with hole (2), coat pins (A) and (B) with grease, and
install.
REMARK
When reversing, do not install an O-ring. Keep the O-ring in a
safe place until using it next.
5. Install the stopper bolts and nuts for each pin, then grease
the pin.
REMARK
Lubricate with grease thoroughly until the grease comes out
from the end face.
When replacing the bucket, replace the dust seal if it has been
damaged. If a damaged seal is used without being replaced,
sand and dirt may enter the pin portion and cause abnormal
wear of the pin.
PARKING MACHINE 3
WARNING
q
Avoid stopping suddenly. Give yourself ample room
when stopping.
q
When stopping the machine, select flat hard ground
and avoid dangerous places.
If it is unavoidably necessary to park the machine on a
slope, insert blocks underneath the track shoes. As an
additional safety measure, thrust the bucket into the
ground.
q
If the control lever is touched by accident, the machine
may move suddenly, and this may lead to a serious
accident.
Before leaving the operator's compartment, always set
the lock lever securely to LOCK position.