Maintenance
109
Installing/uninstalling and replacing the battery
When disconnecting and connecting the battery, always observe the specified order
→
risk of
short circuit.
•
Make the battery accessible.
•
Remove the negative terminal cover and take off the cable clamp. Put the clamp to the side so that contact
with the negative terminal is excluded.
•
Remove the plus terminal cover and take off the cable clamp. Put the clamp to the side so that contact with
the positive terminal is excluded.
•
Remove the battery retainer and lift the battery out of the swivel frame.
When replacing the battery, always install a battery of the same type with the same power rating
and the same dimensions.
•
Before installation, cover the battery terminals and cable clamps with petroleum jelly.
•
Install the battery in the swivel frame and fasten it with the battery retainer. Check the battery for tightness
→
Do not operate the excavator with a loose battery.
•
Connect the positive cable clamp to the positive terminal (+) of the battery, install the positive terminal
cover.
•
Connect the negative terminal (-) of the battery, install the negative terminal cover.
Lubrication
The following describes all lubricating tasks which should be performed with the superstructure.
Greasing the swivel gear
•
Fill grease through the grease nipple (1) with a grease gun.
Grease at each 90
°
position of the swivel gear. Fill
approx. 50 g of grease (20-30 shots with the grease
gun). See the "Recommended lubricants" section
(page 116).
When moving the swivel frame, make sure no
person or material is in the swivel area.
•
Operate the excavator and swivel the swivel frame 360°
several times in succession to distribute the grease evenly.
