Emerson Fisher 4320 Manual de instrucciones descargar pdf (Pagina 65)

Instruction Manual

D103621X012

4320 Position Monitor

April 2014

Figure 38. Fisher 4320 Assembly

ON/OFF CONTROL OPTION

NOTE:

KEY 31 AND 43 NOT SHOWN

GE53345

Spool Valve and Pneumatic Gasket Installation

1. Align the five small holes on the gasket (key 16) with the five small holes on the spool valve (key 17). Inserting two

or more of the hex socket cap screws (key 18) through the spool can help to align the gasket with the spool.

2. Install the spool onto the housing, making sure that the side of the spool with three 1/4 NPT fittings is visible from

the front of the device.

3. Replace the remaining hex socket cap screws (key 18); tighten to a torque of 4.5 N•m (40 lbf•in).

Pneumatic Interface and Gasket Removal

1. Follow the above instructions to remove the spool valve and pneumatic gasket

2. Open the 4320 and carefully unplug the two red pilot valves connectors, shown in figure 39, from the sensor board.

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Emerson Fisher 4320 Manual de instrucciones Pagina 65