Norgren VS18 Series Valve Advantage - Manual (Page 18)

VS18/VS26 MAINTENANCE & INSTRUCTION BOOKLET
2. Mount the left and right end plate to the modular sub-base. Ensure end plates are properly
aligned and the end plate gasket is fitted. Then tighten the mounting screws (two per end
plate) with the specified torque. If you are using a power screwdriver, consider the maximum
speed allowed.
Screw Type
(thread) Valve
seize Tightening
torque in Nm Tightening
torque in Ibs Max. screw driver
speed in r.p.m.
11 M3x10 VS18 0.8 – 0.9 7.08 – 7.96 1100
11 M4x12 VS26 1.0 – 1.1 8.85 – 9.73 1100
3. Having assembled the base of the valve island, proceed with the electronic components. For
these instructions please refer to following sections:
7.2.1 D-Sub assembly / Installation of PCB
7.3.1 NPTF1” conduit entry with terminals assembly / Installation of PCB
7.4.1 M23 assembly / Installation of PCB
8.1.3 Fieldbus assembly / Installation of PCBs (excluding AS-Interface and FD67 bus)
8.1.4 AS-Interface assembly / Installation of PCBs
8.1.5 FD67 bus assembly / Installation of PCB
VS2672926-KG00E_05/07 Page 18/97