4
Mechanical installation
Shaft-mounted gear unit with keyway
Assembly and Operating Instructions – Explosion-Proof Gear Units
56
4.10.3
Assembly/disassembly kit by SEW‑EURODRIVE
Applies only if the installation/removal kit was previously used for installation.
1. Loosen the retaining screw [5].
2. Remove the retaining ring [4] and, if used, the spacer tube.
3. Insert the forcing washer [2] and the fixed nut [3] between the customer shaft [1]
and retaining ring [4] as shown in the following figure.
4. Re-insert the retaining ring [4].
5. Re-install the retaining screw [5]. Now you can force the gear unit off the shaft.
The following figure shows the SEW-EURODRIVE assembly/disassembly kit.
[2]
[3]
[3]
[4]
[1]
[5]
27021606946895115
[1]
Customer shaft
[4]
Retaining ring
[2]
Forcing washer
[5]
Retaining screw
[3]
Fixed nut for disassembly
Dimensions and part numbers of the assembly/disassembly kit:
Type
D
H7
mm
M
1)
C4
mm
C5
mm
C6
mm
U
-0.5
mm
T
-0.5
mm
D3
-0.5
mm
L4
mm
Part number of the as-
sembly/disassembly kit
WA..10
16
M5
5
5
12
4.5
18
15.7
50
6437125
WA..20
18
M6
5
6
13.5
5.5
20.5
17.7
25
643682X
WA..20, WA..30, SA..37,
WA..37, KA..19
20
M6
5
6
15.5
5.5
22.5
19.7
25
6436838
FA..27, SA..47, WA..47,
KA..29
25
M10
5
10
20
7.5
28
24.7
35
6436846
FA..37, KA..29, KA..37,
KA..39, SA..47, SA..57,
WA..47,
30
M10
5
10
25
7.5
33
29.7
35
6436854
FA..47, KA..39, KA..47,
KA..49, SA..57
35
M12
5
12
29
9.5
38
34.7
45
6436862
FA..57, KA..57, FA..67,
KA..49, KA..67, SA..67
40
M16
5
12
34
11.5
41.9
39.7
50
6436870
SA..67
45
M16
5
12
38.5
13.5
48.5
44.7
50
6436889
FA..77, KA..77, SA..77
50
M16
5
12
43.5
13.5
53.5
49.7
50
6436897
FA..87, KA..87, SA..77,
SA..87
60
M20
5
16
56
17.5
64
59.7
60
6436900
FA..97, KA..97, SA..87,
SA..97
70
M20
5
16
65.5
19.5
74.5
69.7
60
6436919
FA..107, KA..107, SA..97
90
M24
5
20
80
24.5
95
89.7
70
6436927
1) Retaining screw
24804134/EN – 05/2018
