6
Inspection/maintenance
Inspection/maintenance for the gear unit
Assembly and Operating Instructions – Explosion-Proof Gear Units
118
6.8
Inspection/maintenance for the gear unit
6.8.1
Checking the oil level and changing the oil
The procedure when checking the oil level and changing the oil depends on gear unit
type, size and mounting position. Determine the code letter (A, B, C, D or E) in the fol-
lowing table in regard of gear unit type and size. Use the code letter to find the refer-
ence for the procedure for the corresponding gear unit in the 2nd table.
Gear unit
type
Size
Code letter for chapter "Checking the oil level and changing the oil"
M1
M2
M3
M4
M5
M6
R
R..07 – 27
B
R..37/R..67
A
R..47 /R..57
A
B
A
R..77 – 167
A
RX..57– 107
A
F
F..27
B
F..37 – 157
A
K
K..19/K..29
C
K..39/K49
A
K..37 – 187
A
S
S..37
C
S..47 – 97
A
W
W..10 – 30
B
W..37 – 47
D
E
D
Code letter
Chapter "Checking the oil level and changing the oil"
Reference
A
•
Helical gear units...
•
Parallel-shaft helical gear units...
•
K..39/K..49, K..37 – 187 helical-bevel gear units
•
Helical-worm gear units... S..47 – 97
With oil level plug
B
•
Helical gear units...
•
Parallel-shaft helical gear units...
•
SPIROPLAN
®
gear units...
Without oil level plug, with cover plate
C
•
S..37 helical-worm gear unit
•
K..19/K..29 helical-bevel gear unit
Without oil level plug, without cover plate
D
•
SPIROPLAN
®
W..37/W..47
In mounting positions M1, M2, M3, M5, M6 with oil level plug
24804134/EN – 05/2018