Instruction Manual

2
Worm gearboxes GS 50.3 – GS 250.3 Operation instructions
Table of contents Page
1. Safety instructions 3
1.1 Range of application 3
1.2 Maintenance 3
1.3 Warnings and notes 3
2. Technical data 4
3. Transport, storage and packaging 7
3.1 Transport 7
3.2 Storage 7
3.3 Packaging 7
4. Fitting the handwheel 7
5. Mounting positions of the different versions 8
6. Mounting multi-turn actuators SA/SAR 9
7. Mounting to valve 11
8. Setting the end stops for manual operation 12
8.1 Worm gearboxes on butterfly valves 12
8.2 Worm gearboxes on ball valves 13
9. Setting the end stops with mounted multi-turn electric actuator 13
9.1 Worm gearboxes on butterfly valves 13
9.2 Worm gearboxes on ball valves 14
10. Changing the swing angle 16
10.1 Changing the swing angle for sizes GS 50.3 – GS 125.3 (option)16
10.2 Changing the swing angle for sizes GS 160.3 – GS 250.3 17
11. Enclosure protection IP 68 18
12. Maintenance 19
12.1 General notes 19
12.2 Grease change for worm gearboxes GS 50.3 – GS 125.3 and primary reduction gearing
VZ 2.3 – VZ 4.3 20
12.2.1 Worm gearboxes 20
12.2.2 Primary reduction gearing 20
12.3 Grease change for worm gearboxes GS 160.3 – GS 250.3 and primary reduction gearing
GZ 160.3 – GZ 250.3 21
12.3.1 Worm gearboxes 21
12.3.2 Single-stage reductions gearings GZ 160.3 – GZ 250.3 (reduction ratios 4:1 and 8:1) 21
12.3.3 Double-stage primary reduction gearing GZ 200.3 – GZ 250.3 (reduction ratio 16:1) 22
12.4 After maintenance 22
13. Disposal and recycling 23
14. Service 23
15. Spare parts list worm gearboxes GS 50.3 – GS 125.3 and reduction gearing
VZ 2.3 – VZ 4.3 24
16. Spare parts list worm gearboxes GS 160.3 – GS 250.3 26
17. Spare parts list reduction gearings GZ 160.3 – GZ 250.3 (reduction ratios 4:1, 8:1 and 16:1) 28
Index 31
Addresses of AUMA offices and representatives 32
Scope of these instructions:
These operation instructions are valid for worm gearboxes of the type range
GS 50.3 – GS 125.3 with primary reduction gearings VZ 2.3 – VZ 4.3. and GS
160.3 – GS 250.3 with primary reduction gearings GZ 160.3 – GZ 250.3.