Control and operation

The access and the outfit of the cab

Second air-conditioning (optional equipment)

When you start the machine, the automatic second air-conditioning system is operated by default. The two air-conditioning units are working alternately.

The first LED and the second LED in the "Dual air conditioning" button of the control keyboard illuminate.

Press the "Second air-conditioning" button. Automatic air-conditioning mode is deactivated.

First air-conditioning unit is operated.

Second air-conditioning unit is deactivated.

First LED in the button comes on.

Second LED in the button goes out.

Press the button again.

First air-conditioning unit is deactivated.

Second air-conditioning unit is operated.

First LED in the button goes out.

Second LED in the button comes on.

Press the button again.

Automatic air-conditioning mode is operated again.

First LED and second LED in the button come on.

Additional cab heater (optional)

An additional cab heater is installed above the operator seat. The temperature adjustment of this device is the same as the standard heating system.

Supply 400V power (refer to the section "Start / stop the machine").

Use actuator S234 to start the additional cab heater.

Use actuator S234 again to stop it.

Foot heater (optional)

A foot heater can be installed on the foot board.

S235 Actuator for foot heater

Supply 400V power (refer to the section "Start / stop the machine"). Use actuator S235 to start the foot heater. Use actuator S235 again to stop it.

3.3Setting the machine into operation

Bringing the machine safely into service und the machine each time before starting it. area of the machine. cracks, wear, leakage and damage. itate the fight against fire in case of. against unintended movement. vicinity of the machine that it is about to start by sounding the horn.

Adjusting the operator’s standing position controls in such a way that you are able to work comfortably and safely. e must be set to the insulation position throughout operation.

Protection from vibration - seat adjusting and height of the operator. structions.

Utilisation in confined spaces el-operated heaters in adequately ventilated spaces. Before starting in closed areas, ensure adequate ventilation. Follow the regulations which apply for the particular area of use.

Starting the machine safely

l and tilt the safety lever up.

start the engine in accordance with the regulations given in the operating instructions. test all display and checking devices.

tion. If necessary, open doors and windows to ensure sufficient fresh air supplies. erating temperature. Low oil temperatures make the control unit react sluggishly.

travel and swing gear brakes, the steering and the signalling and lighting devices. Lighting devices must always be clean.

Stopping the machine safely

incline, chocks should be used to secure it from rolling away.

is possible, align the uppercarriage with the undercarriage so that the sprockets locate at the back-end. This is the only one position which enables a secured access to every maintenance locations on the uppercarriage.

able. brakes.

lever up before leaving the cab.

secure the machine against unpermitted use and vandalism.

3.3.1Start and stop the machine

General information

Note!

When using the machine at a specific height above sea level and in connection with certain outside temperatures, the performance and service life of the electric motor can be decisively affected.

Under these conditions, there is also an increased risk of hydraulic oil overheating.

Before initial start up

Check the insulation resistance

Before initial start up and after a long period of non-use, and before the excavator is connected to the power supply, check the insulation resistance:

The resistance values must never be less than the minimum authorised resistances given in the instruction manual of the electric motor.

If insulation resistances are less than the minimum authorised value: Refer to the procedure in the instruction manual of the electric motor.

Check direction of rotation of electric motor

Before initial operation, or before restarting the electric motor after repairs to the electrical system, check the direction of rotation of the electric motor. Briefly start and stop the motor, and compare the direction of rotation to the arrows marked on the motor.

Activities before starting

Caution!

It is only possible to extinguish a source of fire when this one is accessible.

Before starting, unlock all locks on the panelling of the hydraulic excavator. In the event of fire, the doors can be opened immediately and the fire extinguished.

For locks configuration, refer to the chapter "Maintenance" of this manual.

Caution!

The activities below involve scald or burn hazards due to the high temperature of the hydraulic oil when the machine is at operating temperature. Read the Maintenance chapter in order to get informations about carrying out these activities.

Before you start the machine, the activities that follow must be done on a daily basis: ing air intake.

Turn on the electrical system

Turn on the high voltage circuit

Close the battery switch S9_1

Make sure that the excavator is connected to and supplied with electric power by the power station or the field switch.

Turn ignition key S1 to contact position.

Push button «Control ON» S183 on control board.

The high voltage circuit operates. S183 button comes on.

The display and the control unit run through a self test.

Make sure all indicators function properly after turning the electrical system on, i.e. the light emitting diodes (indicator lights and gauges) turn on for a short time then the complete field of the LCD indicator 200 turns momentarily black (the ma- trix indicator is energised completely for a short time).

Note!

If no automatic check of the keyboard and monitoring screen is carried out when the ignition key is in the contact position, check that the main battery switch is set to on.

Turn on the low voltage circuit

The high voltage circuit is on.

Push button «Control ON» S207 on control board. The low voltage circuit operates. The 24V control circuit operates. H114 in S207 button comes on.

Start the electric motor

Fig. 3-51 Control board Standard start procedure

Make sure that the high and low electrical circuits have been turned on as described above.

Push button «Motor ON» S181 on control board. The motor starts. H112 in S181 button comes on.

Caution!

In order to prevent the electric motor from overheating, motor starting attempts are limited for a given time frame. You must observe a sufficient time interval between two consecutive starting attempts.

When the motor is cold, do not restart more than 5 times. Then wait about 1 hour before restarting.

When the motor is already warm, we recommend that you do not restart more than 3 times, waiting about 10 minutes between two consecutive starting procedures.

Notes after starting the motor

Run the motor until the hydraulic oil is at operating temperature. The controls operate sluggishly at low oil temperatures. Move the machine carefully in an open space to test the function of the travel and swing brakes.

Check that the attachment is operating perfectly.

Stop the electric motor

Fig. 3-52 Electric motor and system switch off buttons

Push the button S182 "MOTOR OFF".

The electric motor is stopped. The indicator light H112 in the button S181 goes off.

Switching off the control system 400 V

Push the button S208 "CONTROL OFF".

The indicator light H114 in the button S207 goes off.

Switching off the control system 6 kV

Push the button S184 "HIGH VOLTAGE OFF".

The indicator light H113 in the button S183 goes off.

3.3.2Warm-up procedure for hydraulic circuit

If the excavator is started when the exterior temperature is below 0°C, the operator must do the warm-up procedure:

Make sure that the hydraulic oil temperature is sufficient (refer to lubricating section in chapter 5) to do this procedure. If this temperature is not sufficient when a preheating system is installed on the excavator, keep preheating.

Let the motor run during the first 3 to 5 minutes and make sure that no error symbols are shown on the monitoring display (refer to the functions of the display in chapter 3).