6
Inspection/maintenance
Inspection/maintenance for the gear unit
Assembly and Operating Instructions – Explosion-Proof Gear Units
129
Changing the oil via the screw plug
WARNING
Risk of burns due to hot gear unit and hot gear unit oil.
Serious injuries.
•
Let the gear unit cool down before you start working on it. Due to the better flow-
ability, the gear unit oil should still be warm so that the gear unit can be drained
best.
1. Observe the information at the beginning of chapter
"
2. Open the cover plate of the gear unit according to chapter "Checking the oil level
via the screw plug".
3. Completely drain the oil via the screw plug bore.
4. Fill in fresh oil of the same type (contact SEW‑EURODRIVE if necessary) via the
control bore. You must not mix different synthetic lubricants.
•
Observe the oil quantity specified on the nameplate or according to the mount-
ing position. Observe chapter "Lubricant fill quantities" (→
5. Check the oil level.
6. Re-insert and tighten the screw plug. Observe for this the tightening torques in
chapter
"
Tightening torques for oil level plugs, oil drain plugs, screw plugs,
breather valves and oil sight glasses" (→
24804134/EN – 05/2018