Komatsu PW98MR-10 Operation & Maintenance Manual page 412

HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT ATTACHMENTS AND OPTIONS
ATTACHMENT 1 PROPORTIONAL SWITCH
The 1st-line attachment proportional switch is on the right PPC
valve lever and it is used to operate the attachment.
The 1st-line attachment proportional switch is a roller propor-
tional control switch.
You can increase or decrease the flow rate by controlling the
switch stroke.
The attachment does not operate unless the attachment mode
is set on the machine monitor.
RKA48500
BREAKER OPERATION SWITCH
The breaker operation switch is on the right PPC valve lever
and it is used to operate the breaker.
If this switch is pushed, the breaker operates.
The breaker does not operate unless the breaker mode is set
on the machine monitor.
ADDITIONAL FILTER FOR BREAKER
The additional filter for breaker prevents deterioration of the hy-
draulic oil when using a breaker.
The oil flows only when the selector valve is set in the breaker
position.
ACCUMULATOR (FOR LOW PRESSURE)
The accumulator (for low pressure) is installed to protect the oil
cooler when the breaker is used.
For necessity of this accumulator, consult the attachment man-
ufacturer.
ATTACHMENT 2 PROPORTIONAL SWITCH
The 2nd-line attachment proportional switch is on the left PPC valve lever and it operates the 2nd attachment
circuit (e.g. clamshell rotation).
The 2nd-line attachment proportional switch operates the 2nd attachment circuit (e.g. clamshell rotation).
The 2nd-line attachment proportional switch is a roller proportional control switch.
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WENAM00061