Drehmo D 30 - Page 14

Valve attachment
14
Figure7: Stem nut A-HP with retaining ring
[1]
[2]
[3]
[4]
[5]
[2]
[1] Output mounting flange [2] Axial bearing with two shim rings
[3] Stem nut [4] Shim washer
[5] Retaining ring
Figure8: Stem nut A-HP with locking nut
[1]
[2]
[3]
[4]
[2]
[1] Output mounting flange [2] Axial bearing with two shim rings
[3] Stem nut [4] Locking nut
NOTICE
Lubrication of bearing points required!
à Apply sufficient Lithium soap EP multi-purpose grease to axial needle roller and
cage assemblies and contact bearing faces when mounting stem nut A.
à Ensure that all hollow spaces of the bearings are filled with grease.
How to proceed 1. Remove retaining ring [5]/locking nut [4].
2. Take out stem nut [3] and axial bearing with two shim rings [2].
3. If it is an output drive with retaining ring, also remove the shim washer [4].
4. Drill threaded hole.
5. Reverse the process to reassemble stem nut.