4
Mechanical installation
Installing the gear unit
Assembly and Operating Instructions – Explosion-Proof Gear Units
38
4.6.3
Tightening torques for oil level plugs, oil drain plugs, screw plugs, breather valves and oil
sight glasses
Observe the tightening torques in the following table when screwing in:
Thread
Tightening torque
Nm
M10 × 1
8
M12 × 1.5
14
M22 × 1.5
45
M33 × 2
100
M42 × 2
160
4.6.4
Installing the gear unit
INFORMATION
If you use the gear unit in flange-mounted design or foot/flange-mounted design in
connection with
VARIBLOC
®
variable-speed gear units, use screws of 10.9 quality
and suitable washers for flange mounting on the customer side.
To improve the friction contact between flange and mounting surface,
SEW‑EURODRIVE recommends anaerobic gaskets or an anaerobic glue.
INFORMATION
With the gear units KAZ/KZ/FAZ/FZ 107 – 157, remove the 4 transport protection
screws from the B14 flange. The 2 recessed screws
must
remain in the B14 flange.
Foot-mounted gear unit
The following table shows the thread sizes of the foot-mounted gear units depending
on the gear unit type and size:
Gear unit type
Screw
R/R..F
RX
F/FH..B/
FA..B
K/KH..B/KV..B/
KA..B
S
W
M6
07
–
–
19
–
10/20
M8
17/27/37
–
27/37
29
37
30/37/47
M10
–
57
47
37/39/47/49
47/57
–
M12
47/57/67
67
57/67
57/67
67
–
M16
77/87
77/87
77/87
77
77
–
M20
97
97/107
97
87
87
–
M24
107
–
107
97
97
–
M30
127/137
–
127
107/167
–
–
M36
147/167
–
157
127/157/187
–
–
24804134/EN – 05/2018
