Komatsu PC450-8 Operation & Maintenance Manual page 368

MACHINE READY FOR ATTACHMENT
MACHINE READY FOR ATTACHMENT
LOCATIONS
(1) Stop valve
(2) Selector valve
(3) Attachment control pedal
(4) Lock pin
(5) Breaker circuit additional oil filter
Stop Valve
This valve (1) stops the flow of the hydraulic oil.
(F) FREE: Hydraulic oil flows.
(L) LOCK: Hydraulic oil stops.
When removing or installing attachments, set this valve to the
LOCK position.
6-8
ATTACHMENTS ANDD OPTIONS
Z
(6) Accumulator
(7) 1st Attachment proportional control switch
(8) 2nd Attachment proportional control switch
(9) Breaker switch
6
6
Z
a