Komatsu ecot3 WA430-6 Operation & Maintenance Manual page 330

ATTACHMENTS, OPTIONS
FNR SWITCH
This switch (4) is used to change the direction of travel of the
machine.
Position (F): FORWARD
Position (N): Neutral
Position (R): REVERSE
Before operating this switch, check that the condition is as follows.
Directional lever is at N
Directional selector switch actuation switch is at ON
If the condition is not as above, the switch will not work.
DIRECTIONAL SELECTOR SWITCH ACTUATION SWITCH
When this switch (5) is pressed, the FNR switch on the head of the
multi-function lever is activated.
Position (a): ON
The pilot lamp inside the switch and the directional selection pilot
lamp on the machine monitor light up, and the FNR switch is
activated.
Position (b): OFF
The FNR switch is not activated.
DIRECTIONAL SELECTOR PILOT LAMP
This monitor (6) lights up when the directional selector switch
actuation switch on the right switch panel is turned ON. It indicates
that it is possible to operate the travel direction of the machine with
the FNR switch on the head of the multi-function lever.
HANDLING MULTI FUNCTION MONO-LEVER
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