Komatsu WA380-8, Operation & Maintenance Manual

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TORQUE CONVERTER LOCKUP MODE DISPLAY
The torque converter lockup pilot lamp displays the set state of
the torque converter lockup mode.
By selecting torque converter lockup mode selector switch, one
of the following lamps lights up.
(A): Lockup mode ON
(B): Lockup mode OFF
When the mode is changed, the display pops up.
For selection of the lockup function mode, see “HANDLE TOR-
QUE CONVERTER LOCKUP (3-202)”, “LOCKUP FUNCTION
SETTING WHEN KEY IS ON (3-73)”.
AUTOMATIC SHIFT PILOT LAMP
The automatic shift pilot lamp lights up when the auto-shift
function is selected.
Change the shift mode with the transmission shift mode selec-
tor switch.
When the shift mode is changed from manual to auto, the dis-
play pops up.
FAN REVERSE ROTATION DISPLAY
When the radiator fan is set in manual or auto reverse rotation
mode, if the fan starts to rotate in reverse, fan reverse rotation
pilot lamp (A) lights up.
This lamp flashes while the rotation direction is being changed.
If the condition for changing the fan rotation direction is not sat-
isfied, changing condition satisfaction waiting pilot lamp (B)
lights up.
For details of the method of setting the fan reverse mode, see
“RADIATOR FAN MANUAL REVERSE MODE (3-63)” and
“RADIATOR FAN AUTOMATIC REVERSE MODE (3-65)”.
PREHEATING PILOT LAMP
The preheating pilot lamp lights up when the automatic pre-
heating function of the engine is actuated, and goes out when
preheating is completed.
This lamp also lights up during manual preheating. The electri-
cal heater for engine preheating is actuated while this lamp is
lit.
For engine preheating, see “METHOD FOR STARTING EN-
GINE (3-183)”.
EXPLANATION OF COMPONENTS OPERATION
3-36