Komatsu H75051, Operation & Maintenance Manual

Page: 166 / 440

If you release your hand from the switch, it automatically re-
turns to its original position.
Position (A): Sets or cancels the stopping position of boom.
For the setting and canceling method of the remote positioner,
see “REMOTE POSITIONER (3-199)”.
2-STAGE LOW IDLE SWITCH
Pressing the 2-stage low idle switch increases the engine idle
speed.
Position (A): ON
Position (B): OFF
REAR HEATED WIRE GLASS SWITCH
When pressing the switch for rear window glass with heated
wire, the rear heated wire glass is turned on to clear the glass.
Position (A): ON (Clearing the glass)
Position (B): OFF
When position (A) is pressed, the pilot lamp lights up to turn it
on.
WORK EQUIPMENT LOCK SWITCH
k k
WARNING
• When leaving the operator's seat, be sure to lock the work equipment by pressing the work equip-
ment lock switch (the pilot lamp lights up). If the work equipment is not locked and the multifunc-
tion mono-lever (A) is touched by mistake, it may lead to serious accident.
• If the work equipment is not securely locked, it can start moving and cause a serious personal in-
jury or death. Check that the pilot lamp is lit.
• Before operating the work equipment lock switch, make sure that the multifunction mono-lever (A)
is in “HOLD” position.
• When operating the work equipment lock switch, be sure not to touch the multifunction mono-lever
(A).
EXPLANATION OF COMPONENTS OPERATION
3-100