Rear Of Operator Cab - Komatsu 530M Operation & Maintenance Manual

Operation - Section 3
Page 3-32
Central Warning Lamp (Red Convex Lens)
The Central Warning Lamp Monitor lamp (20, Figure
3-9) will illuminate if any of the monitor lamps in the L.H.
pod (Figure 3-9) are activated. This lamp is also acti-
vated if a fault is registered on the ''MOM'' display.
This lamp flashes, and at the same time an alarm
buzzer sounds intermittently, if an abnormality has
occurred in any one of the following systems:
Coolant Temperature Monitor;
Torque Converter Oil Temperature Monitor;
Retarder Oil Temperature Monitor;
Coolant Level Monitor;
Engine Oil Pressure Monitor;
High Engine Oil Temperature;
High Engine Blowby Pressure;
Transmission Oil Filter Monitor;
High Transmission Lube Oil Pressure;
Battery Charging Monitor;
Parking Brake Monitor;
Body Float Monitor;
Automatic Transmission Monitor (Mechatronics);
Other Mechatronics Monitor; or
Fuel Level Monitor.
This lamp will also flash and the alarm buzzer will
sound, if the parking brake is applied and the range
selector lever is not at Neutral.
AC/Heater Vent
The AC/Heater vent (21, Figure 3-9) is provided for
circulation of cooled or heated air through the cab.
Instrument Panel and Indicators

REAR OF OPERATOR CAB

The following components are located behind the op-
erator and passenger seats across the back wall of the
operator cab (Refer to Figure 3-10):
1. Circuit Breaker Panel
This panel contains all of the electrical circuit
breakers on the truck.
2. Relay Board
This panel contains relays for various electrical
circuits on the truck.
Refer to the Service/Shop Manual for specific
information regarding this relay board.
3. Relay Board
This panel contains relays for various electrical
circuits on the truck.
Refer to the Service/Shop Manual for specific
information regarding this relay board.
4. RCM - Retard Control Monitor
This panel controls and monitors the fully hydrau-
lic retarder system.
Refer to the Service/Shop Manual for specific
information regarding this device.
5. TMS - Tire Management System (Optional)
This panel is a monitoring device for the truck tires
(when installed). It supplies pressure and tem-
perature information for each tire.
Refer to the Service/Shop Manual for specific
information regarding this device.
6. ASC - Automatic Suspension Controller (Optional)
This panel (when installed) controls and monitors
the Varible Rate Suspension units.
Refer to the Service/Shop Manual for specific
information regarding this device.
7. ATC - Automatic Transmission Controller
This panel controls and monitors the Komatsu
fully automatic transmission. It controls the Shift
schedules and Lock-up Clutch modulation and
monitors numerous other sensor inputs.
Refer to the Service/Shop Manual for specific
information regarding this device.
8. PMC - Powertrain Management Controller
This panel controls, monitors, and manages all of
the other monitors and controllers listed above.
Refer to the Service/Shop Manual for specific
information regarding this device.
9. Terminal Strips - Terminals for various electrical
circuits. Refer to the Service/Shop Manual Electri-
cal Schematic for specific information.
OM3006.3 04/98