2. Slip handwheel [3] onto input shaft.
3. Secure handwheel [3] with retaining ring [4].
Information: The retaining ring [4] (together with these operation instructions)
is stored in a weatherproof bag, which is attached to the device prior to delivery.
4.4. Multi-turn actuator: mount to valve/gearbox
Corrosion due to damage to paint finish and condensation!
→
Touch up damage to paint finish after work on the device.
→
After mounting, connect the device immediately to electrical mains to ensure
that heater minimises condensation.
4.4.1. Stem nut for output drive type A: finish machining
This working step is only required if stem nut is supplied unbored or with pilot bore.
Information For exact product version, please refer to the order-related technical data sheet or
the AUMA Assistant App.
Figure 11: Output drive type A
[1] Stem nut
[2] Axial needle roller bearing
[2.1] Axial bearing washer
[2.2] Axial needle roller and cage assembly
[3] Spigot ring
Procedure
1. Remove spigot ring [3] from output drive.
2. Remove stem nut [1] together with axial needle roller bearings [2].
3. Remove axial bearing washers [2.1] and axial needle roller and cage assemblies
[2.2] from stem nut [1].
4. Drill and bore stem nut [1] and cut thread.
5. Clean the machined stem nut [1].
6. Apply sufficient Lithium soap EP multi-purpose grease to axial needle roller and
cage assemblies [2.2] and axial bearing washers [2.1], ensuring that all hollow
spaces are filled with grease.
7. Place greased axial needle roller and cage assemblies [2.2] and axial bearing
washers [2.1] onto stem nut [1].
18
SA 07.2 – SA 16.2 / SAR 07.2 – SAR 16.2 Control unit: electronic (MWG)
Assembly AC 01.2 Non-Intrusive EtherNet/IP