Bypass Valve Option (4700P Only); Assembly To Positioner - GE Masoneilan 4700P Maintenance Manual

Bypass Valve Option (4700P Only)

See Figure 21 on page 74.

Assembly to Positioner

Figure 21 on page 74.
It may be necessary to remove positioner from valve to assemble bypass.
1. Remove air connections, vent plug, and instrument gauge.
2. Clean surface of body and remove any thread sealant left in threaded ports.
3. Install O-rings (50) in each of the four recesses on the rear surface of the module
(45), making sure they are seated in the bottom of the recess.
4. Assemble to positioner using four 8-32 x 1.25" long screws (21).
5. Reinstall vent plug, instrument gauge, and air connections.
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Masoneilan 4700P/E & 4800P/E Positioners Manual =| 61