WARNING
Danger to life and limb due to unintended robot motions
Unintended robot motions may result in death, severe injuries and dam-
age to property.
• Secure the robot by pressing the EMERGENCY STOP device.
• Warn all persons concerned before starting to put it back into opera-
tion.
8.6.1 Draining the gear oil from A4
Procedure
1. Move the arm and in-line wrist into horizontal position
(>>> 8.6.1 "Draining the gear oil from A4" Page 208).
2. Place a receptacle under the oil drain hole and unscrew the M18x1.5
magnetic screw plug.
3. Remove the M18x1.5 magnetic screw plug for venting and catch the
oil as it drains out.
4. Store or dispose of the drained oil in accordance with the pertinent
regulations.
Fig. 8-10: Draining the gear oil from A4
1 M18x1.5 magnetic screw plug for venting
2 Oil drain hole with M18x1.5 magnetic screw plug
3 Collection receptacle
8.6.2 Filling gear unit A4 with gear oil
Procedure
1. Move the robot to the specified axis position. The position of axes A2
and A3 must produce an angular sum of -68° at axis A4 so that the
KR IONTEC
208/344 | www.kuka.com MA KR IONTEC V4 | Issued: 11.05.2021
Maintenance
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