Komatsu H70051 Series Operation & Maintenance Manual page 404

HANDLE JOYSTICK STEERING SYSTEM
JOYSTICK ON/OFF SWITCH
When the joystick ON/OFF switch is turned to ON position, joy-
stick steering lever activation switch, horn and wiper knob, and
joystick directional selector switch are effective.
Position (a): ON (joystick steering armrest is effective)
Position (b): OFF (joystick steering armrest is not effective)
JOYSTICK DIRECTIONAL SELECTOR SWITCH
Do not maintain the joystick directional selector switch at the intermediate position between positions
(F) and (N), or between positions (N) and (R). The alarm buzzer sounds and the transmission is set in
NEUTRAL.
The joystick directional selector switch is used to set the travel
direction to FORWARD, NEUTRAL, or REVERSE.
Position (F): FORWARD
Position (N): NEUTRAL
Position (R): REVERSE
Before using this switch to change the travel direction, set the
directional lever to NEUTRAL position and set the directional
selector enable switch of R.H. switch panel to position (b).
JOYSTICK ACTIVATION SWITCH
The joystick activation switch is used to activate the joystick steering.
The joystick pilot lamp on the activation switch lights up as long as the joystick steering is selected.
6-4
k k
WARNING
ATTACHMENTS AND OPTIONS