Komatsu D61EX-24 Operation & Maintenance Manual page 217

MACHINE OPERATIONS AND CONTROLS
6.
Check the positions of (a) to (d) shown in the figure.
7.
Put the BIB container gently on it.
8.
Turn the DEF tank filler port cap (2) counterclockwise (O)
and open it.
Direction of (O): Open
Direction of (C): Close
9.
Insert the bellows hose of the BIB container into filler port
(2).
If it is difficult to insert the bellows hose into filler port (2),
make the end of the BIB container, (a), and (b) as fulcrum,
and lift up the other end of BIB container to perform the
work.
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OPERATION