Handle Machine Ready For Installation Of Attachment; Explanation Of Components On Machine Equipped With Attachment - Komatsu PC290LC-11 Operation & Maintenance Manual

HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT

HANDLE MACHINE READY FOR INSTALLATION OF AT-
TACHMENT
EXPLANATION OF COMPONENTS ON MACHINE EQUIPPED WITH AT-
TACHMENT
(1) Stop valve
(2) Selector valve
(3) Attachment control pedal
(4) Lock pin
(5) Additional filter for breaker
STOP VALVE
The stop valve stops the flow of the hydraulic oil.
(a) FREE
Hydraulic oil flows.
(b) LOCK
Hydraulic oil stops.
6-14
ATTACHMENTS AND OPTIONS
(6) Accumulator (for low pressure)
(7) 1st-line attachment proportional switch
(8) 2nd-line attachment proportional switch (if equip-
ped)
(9) Breaker mode switch