METER DISPLAY PORTION

Pilot displayGauges and meter

(1) Engine pre-heating monitor(3) Engine water temperature, hydraulic temperature gauge

(2) Swing lock monitor(4) Fuel gauge

(5) Display

(6) Service meter

(7) Grease pressure gauge

Pilot Display

When the starting switch is ON, the pilot display lights up when the display items are functioning.

ENGINE PRE-HEATING MONITOR

This monitor (1) indicates the preheating time when starting the engine in cold areas. When the preheating switch is turned to the ON position, the monitor lights up. After approx. 30 seconds, it flashes to inform the operator that preheating is completed. After flashing for approx. 30 seconds, the monitor goes out.

(Preheating switch: See “SWITCHES (PAGE 3-57)”.)

Swing Lock Monitor

This monitor (2) informs the op erator that the swing lock is being actuated.

Actuated: Lights up

When the swing lock switch is turned ON (ACTUATED), the monitor lamp lights up.

(See “SWITCHES (PAGE 3-57)”.)

Remark

● The swing motor is equipped with a disc brake that mechanically stops the rotation. When the swing lock monitor lamp is lighted up, the brake remains applied.

● This flashes when the swing holding brake release switch inside the room under the cab is turned ON.

(See “MONITOR SWITCHES (PAGE 3-17)”.)

Gauges And Meter

ENGINE WATER TEMPERATURE, HYDRAULIC OIL TEMPERATURE GAUGE

This meter (3) displays the engine water temperature or hydraulic oil temperature. The content of the display can be changed by operating switches (A), (B), and (C) on the display selector switch portion.

● When switch (A) is pressed, the engine water temperature of the front engine is displayed on the temperature gauge.

● When switch (B) is pressed, the engine water temperature of the rear engine is displayed on the temperature gauge.

● The hydraulic oil temperature is displayed on the temperature gauge only while switch (C) is being pressed. When switch (C) is released, the display returns to the condition before the switch was pressed.

During operation, the red segments of the temperature gauge should be lighted up inside the green range below the gauge. If the red segments of the temperature gauge light up inside the red range below the gauge, there is an abnormality. If this happens, monitor (G) flashes.

If the engine water temperature of or hydraulic oil temperature is abnormally high (when all the red segments on the temperature gauge are lighted up), one of the applicable lamps (D), (E), or (F) flashes and the temperature is displayed on the temperature gauge. At the same time, the alarm buzzer sounds. For the engine water temperature only, the overheat prevention system is automatically actu ated. When this happens, the engine speed is reduced to low idling until the red segments on the temperature gauge return to the green range. When the engine water temperature returns to normal, turn the fuel control dial to the low idling position. The overheat prevention system is canceled.

Fuel Gauge

This meter (4) displays the amount of fuel remaining in the fuel tank.

During operations, the green range should be lighted up. If only the red range lights up during operations, the remaining fuel level is less than 169 liters, so carry out inspection and add fuel.

When red range (A) lights up: Fuel gauge monitor lamp (B) flashes.

After the starting switch is turned ON, the correct level may not be displayed for a moment, but this does not indicate any abnormality.

When the engine is stopped, turn the starting switch ON and check that each item and the meters light up.

Display

This monitor (5) always displays the time and service meter when the starting switch is on. If there is any abnormality, it displays the contents of the failure.

REMARK

If the machine breaks down, the content of the failure is displayed when the starting switch is ON. The display shows all the failures flashing in turn.

E02TVC system error

E03Swing brake system error

E0ENetwork system error

E10Engine emergency stop system error

E11Engine control system error

E14Fuel control dial system error

E15Engine controller minor failure

E22Engine oil temperature or PTO oil temperature errorHave system inspected immediately

E23 E23 Defective connection of VHMS () controller connector or abnormality in F, R engine water temperature sensor

VHMS: Vehicle Health Monitoring System

Can still be operated, but have system inspected immediately

If the above displays flash, go to the item in see “ELECTRONIC CONTROL SYSTEM (PAGE 3-179)”.

Service Meter

This meter (5) shows the total operation hours of the machine. Set the periodic maintenance intervals using this display. The service meter advances while the engine is running - even if the machine is not traveling.

The meter will advance by 1 for each hour of operation regardless of the engine speed.

Grease Pressure Gauge

This indicates the grease pressure when greasing. The gauge should indicate 4.9 – 19.6 MPa (50 – 200 kg/cm2) when greasing.

REMARK

● If the pressure is below 4.9 MPa (50 kg/cm2), the grease can is empty, so replace the grease can.

● If the pressure is above 19.6 MPa (200 kg/cm2), there is probably clogging. For details, see “EVERY 10 HOURS MAINTENANCE (PAGE 4-56)”.