6
Inspection/maintenance
Inspection/maintenance for the gear unit
Assembly and Operating Instructions – Gear unit series R..7, F..7, K..7, K..9, S..7, SPIROPLAN
®
W
106
3. Check the oil consistency.
• Viscosity
• If you can see that the oil is heavily contaminated, SEW
‑
EURODRIVE recom-
mends to change the oil even if this is outside the service intervals specified in
"Inspection and maintenance intervals" (
4. Check the oil level. See previous section.
Changing the oil at the oil level plug
WARNING
Risk of burns due to hot gear unit and hot gear unit oil.
Severe 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 notes in chapter "Information on gear unit inspection/mainte-
2. Set up the gear unit in M5 or M6 mounting position. See chapter "Mounting posi-
3. Place a container underneath the oil level plug.
4. Remove the oil level plugs on the A and B-side of the gear unit.
5. Drain the oil completely.
6. Re-insert the lower oil level plug.
7. Fill in fresh oil of the same type (contact SEW
‑
EURODRIVE if necessary) via the
upper oil level plug. Do not mix different synthetic lubricants.
• Observe the oil quantity according to the specifications on the nameplate or ac-
cording to the mounting position. See chapter "Lubricant fill quantities".
• Check the oil level according to chapter "Checking the oil level via oil level
plug".
8. Re-insert the upper oil level plug.
21932786/EN – 05/2015