4
Mechanical installation
Shaft-mounted gear unit with keyway
Assembly and Operating Instructions – Explosion-Proof Gear Units
54
Screw
Tightening torque
Nm
M5
5
M6
8
M10/12
20
M16
40
M20
80
M24
200
INFORMATION
To avoid contact corrosion, SEW-EURODRIVE recommends that the customer shaft
should be lathed down between the 2 contact surfaces.
4.10.2
Removing the shaft-mounted gear unit
This description is only applicable if the gear unit was assembled using the
SEW‑EURODRIVE assembly/disassembly kit (see step 2 of Mounting the shaft-moun-
ted gear unit).
[1]
[2]
[3]
[4]
[5]
[6]
9007199466268043
[1]
Retaining screw
[4]
Retaining ring
[2]
Lock washer
[5]
Spacer tube
[3]
Washer
[6]
Customer shaft
Proceed as follows:
1. Loosen the retaining screw [1].
2. Remove parts [2] to [4] and, if applicable, the spacer tube [5].
3. Insert the forcing washer [8] and the fixed nut [7] from the SEW‑EURODRIVE as-
sembly/disassembly kit between the customer shaft [6] and the retaining ring [4]
(see "SEW‑EURODRIVE assembly/disassembly kit" (→
56)).
24804134/EN – 05/2018
