Fig. 8-16: 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 M18x1.5 oil drain tube
4 Collection receptacle
8.9.1.2 Filling gear unit A4 with gear oil
Procedure
1. Clean both M18x1.5 magnetic screw plugs and check the sealing ele-
ment; exchange magnetic screw plugs if damaged (>>> 8.9.1.2 "Filling
gear unit A4 with gear oil" Page 219).
2. Remove M18x1.5 oil drain tube.
3. Insert and tighten the lower M18x1.5 magnetic screw plug; M
A
=
20 Nm.
4. From the determined quantity of oil, fill the new oil from above using a
funnel.
5. Insert and tighten the upper M18x1.5 magnetic screw plug; M
A
= 20
Nm.
6. Check both magnetic screw plugs for leaks.
KR IONTEC
MA KR IONTEC V4 | Issued: 11.05.2021 www.kuka.com | 219/344
Maintenance