Control and operation

Setting the machine into operation wise on approximately 1/2 turn. Repeat 4 times in each direction.

Step 3 - Repeat step 2 a second time.

Step 4 - Repeat step 2, with reaching end position of piston rod.

Step 5 - Repeat step 4 a second time.

Step 6 - Check oil temperature in hydraulic tank. If oil temperature is under 10°C, repeat step 4 until oil temperature reaches 10°C. If oil temperature is above 10°C, move to step 7.

The step 7 that follows is applicable only to crawler excavators.

Step 7 - Start the travel hydraulic circuits very slowly forward and backward on approximately 10 meters. Repeat 4 times.

The excavator can now be operated.

3.3.3Emergency and safety operations

Emergency stop

Location of the emergency stop buttons

Different emergency stop buttons are installed on the machine.

If you push emergency stop S1000 of high voltage, the button is locked in activated position.

After a shutdown with an emergency stop button, you must unlock the button before you try to start again. In order to unlock S1000: Use the key of S1000 on the button. Pull the button. Emergency stop S1000 of high voltage is deactivated.

Caution!

Only use this shutdown method in case of emergency. Other electric machines connected to the same high voltage source are also shutdown.

If installed, the actuator of the emergency stop S100_4 is located under the counterweight.

Do an emergency shutdown

Caution!

Only use this method in case of emergency.

Turn the ignition key S1 to the "off" position or push one of the emergency stop buttons S100_1 or S100_2 and S100_4 (if installed).

This action will stop the electric motor and disconnect the electrical system. If an emergency stop is operated and the optional 45° access ladder is installed, it is automatically lowered.

After a shutdown with an emergency stop button, you must unlock the button before you try to start again.

Safety control for swing and travel brakes

Fig. 3-64 Safety control for swing and travel brakes

A1002 Electrical plate in E1005

S73 Safety switch

The electrical plate A1002 is located in the cab connection box E1005. You can also refer to chapter 4 of this manual.

If the swing and/or travel brake(s) does/do not operate correctly, because of the failure of the keypad A168:

Push the switch S73

In this mode, you can operate the brakes with the safety lever.

Push the safety lever down. The brakes are disengaged.