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Assembly and Operating Instructions – Gear Units R..7, F..7, K..7, K..9, S..7, SPIROPLAN® W
6
Inspection/maintenance for the gear unit
Inspection/Maintenance
Checking the oil
via oil level plug
Proceed as follows to check the oil of the gear unit:
1. Observe the notes in chapter "Preliminary work regarding gear unit inspection/main-
tenance" (page 85).
2. Remove a little oil at the oil level plug.
3. Check the oil consistency.
– Viscosity
– If you can see that the oil is heavily contaminated, we recommend that you
change the oil even if this is outside the service intervals specified in "Inspection
and maintenance intervals" (page 86).
4. Check the oil level. See previous section.
Changing the oil
via oil level plug
1. Observe the notes in chapter "Preliminary work regarding gear unit inspection/main-
tenance" (page 85).
2. Set up the gear unit in M5 or M6 mounting position. See chapter "Mounting Posi-
tions" (page 104).
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 all of the oil.
6. Re-insert the lower oil level plug.
7. Fill in new oil of the same type via the upper oil level plug bore (otherwise consult
customer service). Do not mix different synthetic lubricants.
– Observe the oil fill quantities according to the specifications on the nameplate or
according to the mounting position. See chapter "Lubricant fill quantities"
(page 136).
– Check the oil level according to chapter "Checking the oil level via oil level plug".
8. Re-insert the upper oil level plug.
WARNING
Risk of burns due to hot gear unit and hot gear unit oil.
Serious injuries
•
Let the gear unit cool down before beginning work.
•
The gear unit must still be warm otherwise the high viscosity of excessively cold oil
will make it harder to drain the oil properly.
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