Komatsu PC450-8 Operation & Maintenance Manual page 373

ATTACHMENTS ANDD OPTIONS
Hydraulic Circuit Connection
When connecting the attachment, connect the hydraulic circuit
as follows.
1. Remove blind plug (1) at the end of the stop valve piping.
(Two spots on the left and right)
Be careful not to lose or damage any part that has been
removed.
2. Connect attachment piping (2) provided by the attachment
maker to the part from which the plug was removed Step 1.
For the mouthpiece size and accumulator add-on, the
action to take differs according to the attachment manufac-
turer, so please consult your Komatsu distributor.
MACHINE READY FOR ATTACHMENT
6
6-13