Maintenance
Maintenance operations
Changing the oil
7
54
Lenze ¯ MA 12.0013 ¯ 3.0
Geared motor G50BS195 ... G50BS319
1. Switch the drive to a deenergised state.
2. Remove oil control plug ( LEERER MERKER).
3. Check oil level using a tool. If necessary, refill oil.
At the maximum, the oil level must be below the threaded hole by the dimension
x.
4. Check gasket and replace it, if necessary.
5. Tighten oil control plug.
d2
G
X
90°
ÖL
Fig. 12 Oil level in the gearbox housing
Oil check bore hole
Auxiliary tool, e. g. angled wire (not included in the scope of supply)
Bleeder screw/oil filler plug
Oil−level bore d2 [mm] Filling height x [mm] Tightening torque [Nm]
M10 x 1 14 2 10
M12 x 1.5 17 3 20
M16 x 1.5 21 4 34
M20 x 1.5 25 5 50
G 1/8" 14 2.5 10
G 1/4" 18 3 10
G 3/8" 22 4 25
G 3/4" 32 7 50
7.3.4 Changing the oil
Stop!
¯ The gearbox should be lukewarm in order that the oil flows well but
there is no risk of scalding.
¯ Secure the drive system and machinery against unintended movement
or mains power−up.
1. Place receptacle under oil drain plug.
2. Remove breathing / oil filler plug.
3. Completely drain lubricant by removing the oil drain plug.
4. Reinsert drain plug (if necessary, replace seal).
5. Fill in lubricant through filler hole (quantities see nameplate).
6. Screw in breathing / oil filler plug.
7. Dispose of waste oil according to the applicable regulations.
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