Air-To-Close (657 Size 30I - 70I) - Emerson Fisher FIELDVUE DPC2K Quick Start Manual

DPC2K Digital Process Controller
April 2024
Air‐to‐Close (657 size 30i - 70i)
Vertically align the magnet assembly so that the center line of the alignment template is lined up as close as possible
with the lower extreme of the valid travel range on the magnet assembly. The magnet assembly should be positioned
so that the index mark on the pole pieces (back of the DPC2K housing) is within the valid range on the magnet
assembly throughout the range of travel. See Figure 9.
Figure 9. Air‐to‐Close Magnet Assembly Alignment
RETAINING
SLOT
FEEDBACK
PIECES
1. Tighten the fasteners and remove the alignment template.
Note
Use a flat end hex key to tighten the magnet assembly fasteners to a torque of 2.37 Nm (21 lbfin) for 4 mm screws, and
5.08 Nm (45 lbfin) for 5 mm screws. For added security, especially in vibrating services, blue (medium) threadlocker may be
used on the fasteners.
14
VALVE STEM
CONNECTOR
INDEX MARK
ALIGNMENT
TEMPLATE
Quick Start Guide
D104559X012