4
Mechanical installation
Installing the gear unit
Assembly and Operating Instructions – Gear unit series R..7, F..7, K..7, K..9, S..7, SPIROPLAN
®
W
27
4.2.2
Gear unit mounting
INFORMATION
If you use the gear unit in flange-mounted design or foot/flange-mounted design with
VARIGEAR
®
variable speed gear units, use screws of 10.9 quality and suitable wash-
ers for flange mounting on customer side.
To improve the friction contact between flange and mounting surface,
SEW
‑
EURODRIVE recommends anaerobic gaskets or anaerobic glue.
Foot-mounted gear unit
The following table shows the thread sizes of the gear units in foot-mounted design
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
137
-
127
107/167
-
-
M36
147/167
-
157
127/157/187
-
-
Gear unit with B14 flange-mounted design and/or hollow shaft
The following table shows the thread sizes of the gear units with B14 flange and/or
hollow shaft depending on the gear unit type and size:
Screw
Gear unit type
RZ
FZ/FAZ/FHZ/
FVZ
KZ/KAZ/KHZ/KVZ
SA/SAZ/SHZ
WA
M6
07/17/27
–
–
37
10/20/30
1)
M8
37/47
27/37/47
37/47
47/57
37
M10
57/67
–
–
–
47
M12
77/87
57/67/77
57/67/77
67/77
–
M16
–
87/97
87/97
87/97
–
M20
–
107/127
107/127
–
–
M24
–
157
157
–
–
1) For W30 gear units mounted directly to a CMP motor or mounted via an EWH.. adapter, the thread size
is M8.
21932786/EN – 05/2015