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6
Inspection/maintenance
Inspection/maintenance for the gear unit
Assembly and Operating Instructions – Explosion-Proof Gear Units
124
5. Compare the determined value "x" to the max. distance between oil level and seal-
ing surface of the gear unit housing specified in the following table. Adjust the fill
level if required.
Gear unit type
Max. distance x in mm between oil level and sealing sur-
face of the gear unit housing for mounting position
M1
M2
M3
M4
M5
M6
R07
2-stage
52 ± 1
27 ± 1
27 ± 1
27 ± 1
27 ± 1
27 ± 1
3-stage
49 ± 1
21 ± 1
21 ± 1
21 ± 1
21 ± 1
21 ± 1
R17
2-stage
63 ± 1
18 ± 1
46 ± 1
18 ± 1
46 ± 1
46 ± 1
3-stage
58 ± 1
11 ± 2
40 ± 2
11 ± 2
40 ± 2
40 ± 2
R27
2-stage
74 ± 1
22 ± 1
45 ± 1
22 ± 1
45 ± 1
45 ± 1
3-stage
76 ± 1
19 ± 1
42 ± 1
19 ± 1
42 ± 1
42 ± 1
R47
2-stage
–
–
–
–
39 ± 1
–
3-stage
–
–
–
–
32 ± 1
–
R57
2-stage
–
–
–
–
32 ± 1
–
3-stage
–
–
–
–
28 ± 1
–
F27
2-stage
78 ± 1
31 ± 1
72 ± 1
56 ± 1
78 ± 1
78 ± 1
3-stage
71 ± 1
24 ± 1
70 ± 1
45 ± 1
71 ± 1
71 ± 1
Irrespective of mounting position
W10
12 ± 1
W20
19 ± 1
W30
31 ± 1
6. Close the gear unit after the oil level check:
•
Re-attach the seal of the cover plate. Make sure that the sealing surfaces are
clean and dry.
•
Screw on the cover plate. Tighten the cover plate screw connections working
from the inside to the outside. Tighten the cover plate screw connections in the
sequence depicted in the following figure. Tighten the cover plate screw con-
nections with the specified tightening torque according to the following table.
Repeat the tightening procedure until the screws are properly tightened. To
avoid damaging the cover plate, use only impulse wrenches or torque
wrenches. Do not use impact screwdrivers.
24804134/EN – 05/2018