Metso Neles N1 Series, Installation, Maintenance & Operation Instructions

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2 6 N1 70 en
Table of Contents
1 GENERAL .............................................................. 3
1.1 Scope of the manual ........................................... 3
1.2 Structure and operation .................................... 3
1.3 Actuator markings ............................................... 3
1.4 Specifications ......................................................... 4
1.5 Recycling and disposal ....................................... 4
1.6 Definitions ............................................................... 4
1.7 Safety precautions ............................................... 5
2 TRANSPORTATION AND STORAGE .................... 5
3 MOUNTING AND DEMOUNTING ........................ 6
3.1 Actuator gas supply ............................................ 6
3.2 Installation information ..................................... 6
3.3 Mounting the actuator on the valve ............. 6
3.4 Operating directions........................................... 6
4 MAINTENANCE .................................................... 7
4.1 Maintenance general.......................................... 7
4.2 Maintenance precautions of the N1_E_C
and N1_E_A actuator .......................................... 9
4.3 Module removal and installation ................... 9
4.4 Actuator Disassembly .......................................14
4.5 Actuator Reassembly ........................................19
4.6 Stroke screw adjustment .................................23
4.7 Field conversions ...............................................23
5 MALFUNCTIONS ................................................ 23
6 TOOLS ................................................................ 24
6.1 Tightening torque table ..................................24
7 ORDERING SPARE PARTS .................................. 24
8 EXPLODED VIEWS AND PARTS LIST ................ 25
8.1 Double acting actuators N1_D00 2 ................ 5
8.2 Single acting actuators N1_E_C and
N1_E_A ...................................................................27
9 DIMENSIONS AND WEIGHTS ............................ 29
9.1 Dimensions double acting.............................. 29
9.2 Weights double acting .....................................30
9.3 Dimensions single acting ................................31
9.4 Weights single acting .......................................32
9.5 Attachment dimensions ..................................33
10 TYPE CODE ......................................................... 34
READ THESE INSTRUCTIONS FIRST!
These instructions provide information about safe handling and operation of the device.
If you require additional assistance, please contact the manufacturer or manufacturer’s representative.
Addresses and phone numbers are printed on the back cover.
See also www.metso.com/valves for the latest documentation.
SAVE THESE INSTRUCTIONS!