Komatsu PC290LC-6K Operation & Maintenance Manual page 53

11.1.4 D: METER DISPLAY PORTION
PILOT DISPLAY
When the starting switch is ON, the pilot display lights up when the
display items are functioning.
1. ENGINE PRE-HEATING MONITOR
This monitor lamp indicates the pre-heating time required when start-
ing the engine at an ambient temperature below 0
The monitor lamp lights when the starting switch is turned to HEAT
position and flashes after about 30 seconds to show that the pre-heating
is completed. (The monitor lamp will go off after about 10 seconds.)
2. SWING LOCK MONITOR
This informs the operator that the swing lock is being actuated. Actu-
ated: Lights up
When the swing lock switch is turned ON (ACTUATED), the monitor
lamp lights up.
When the swing lock override switch is turned on, this monitor lamp
flashes.
REMARK
A disc brake is installed in the swing motor to mechanically stop mo-
tor rotation.
The brake is always applied while the swing lock is actuated.
11. EXPLANATION OF COMPONENTS
o C.
2-9