Komatsu PC16R-3 Operation & Maintenance Manual page 267

Hydraulic excavators
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9.
Hydraulic quick coupler activation switch
This switch is used to activate the quick coupler or to release the
attachment.
For more details, see "6.6 HYDRAULIC QUICK COUPLER (SIN-
GLE-EFFECT)".
10. Hydraulic quick coupler switch
Pos. A: (LED on), enables the quick coupler activation switch.
q
This position is indicated by the buzzer sound.
Pos. B: (LED off), disables the quick coupler activation switch.
q
For more details, see "6.6 HYDRAULIC QUICK COUPLER (SIN-
GLE-EFFECT)".
11. 3rd line
The 3rd line uses for its operation the same control hydraulic
element of the 2nd line.
To activate the 2nd line is necessary that the battery main switch
is set to OFF (led off) and that the left lever button is pressed (for
details see " 7-8. 2nd and 3rd line activation switches").
The oil flow adjustment is the same as the one of the 2nd line.
12. Fuses
X128 (10A): Hydraulic quick coupling
X129 (10A): Proportional controls and hydraulic lines
PREPARATION FOR EQUIPMENT INSTALLATION (only for machines with proportional controls)
WEAM012405
A
B
RKA46021
RKA48780
RKA63000
265

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