Komatsu PC350LC-8, Operation & Maintenance Manual

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OPERATION
DETAILED CONTROLS AND GAUGES
3-81
Quick Coupler Switches
To operate the Quick Coupler circuit switches (16) on the RHS console and (17) on the LH PPC lever must be
operated together. Refer to "Hydraulic Quick Coupler"OPERATION (PAGE 6-4)" " for an explanation of these
switches operation.
1st Attachment Proportional Control Switch
This switch (18) is a roller proportional control switch used to operate the 1st attachment circuit (e.g. crusher, clam-
shell open/close). Refer to "MACHINE READY FOR ATTACHMENT (PAGE 6-7)" for warnings and explanation of
operation.
2nd Attachment Proportional Control Switch
This switch (19) is a roller proportional control switch used to operate the 2nd attachment circuit (e.g. clamshell
rotation). Refer to "MACHINE READY FOR ATTACHMENT (PAGE 6-7)" for warnings and explanation of opera-
tion.
Breaker switch
Switch (20) operates the breaker, refer to "MACHINE READY FOR ATTACHMENT (PAGE 6-7)" for warnings and
explanation of operation.
Additional Lamps Switch
(if equipped)
Switch (21) is used to turn on the cab front lamps, cab rear
lamps and extra boom lamps (NB If fitted by customer).
(a) ON: Lamps light up.
(b) OFF: Lamps go out.
a
b