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
105
6.7.5
D: SPIROPLAN
®
W..37/W..47 in mounting position M1, M2, M3, M5, M6 with oil level plug
Checking the oil level at the oil level plug
Proceed as follows to check the oil level of the gear unit:
1. Observe the notes in chapter "Information on gear unit inspection/mainte-
2. Set up the gear unit in M1 mounting position.
3. Slowly remove the oil level plug (see following figure). Small amounts of oil may
leak out.
787235211
4. Check the oil level according to the following figure.
max.
min.
Oil
[1]
Ø
X
X
[2]
634361867
[1] Oil level bore
[2]
Ideal oil level
Ø oil level bore
Fluctuation x for minimum and maximum
fill level in mm
M10 x 1
1.5
5. In case the oil level is too low, fill in fresh oil of the same type (contact
SEW
‑
EURODRIVE if necessary) via the oil level bore, up to the lower edge of the
oil level bore.
6. Screw in the oil level plug again.
Checking the oil level at the oil level plug
Proceed as follows to check the oil of the gear unit:
1. Observe the notes in chapter "Information on gear unit inspection/mainte-
2. Remove some oil at the oil level plug.
21932786/EN – 05/2015