Emerson Fisher 4660 Pressure Pilot, Instruction Manual

Page: 1 / 20

www.Fisher.com
D200163X012
Type 4660 High-Low Pressure Pilot
Contents
Introduction 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1 . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Educational Services 3 . . . . . . . . . . . . . . . . . . . . . .
Specifications 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Actuator Mounting 6 . . . . . . . . . . . . . . . . . . . . . . .
Panel Mounting 6 . . . . . . . . . . . . . . . . . . . . . . . . . .
Pipestand Mounting 6 . . . . . . . . . . . . . . . . . . . . . .
Pressure Connections 6 . . . . . . . . . . . . . . . . . . . . .
Supply Pressure 6 . . . . . . . . . . . . . . . . . . . . . . . . .
Process Pressure 7 . . . . . . . . . . . . . . . . . . . . . . . .
Output Pressure 7 . . . . . . . . . . . . . . . . . . . . . . . . .
Vent 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Information 8 . . . . . . . . . . . . . . . . . . . . . . .
Pilots without Optional Set Point Indication 8 . . .
Preliminary Adjustments 8 . . . . . . . . . . . . . . . . . .
Setting the High Set Point 9 . . . . . . . . . . . . . . . . .
Setting the Low Set Point 9 . . . . . . . . . . . . . . . . .
Alternate Set Point Adjustment Procedure 9 . . .
Pilots with Optional Set Point Indication 10 . . . . .
Setting the High and/or Low Set Point(s) 10 . . .
Prestartup Checks 11 . . . . . . . . . . . . . . . . . . . . . . .
Alignment of the Nozzle Beam 11 . . . . . . . . . . . . .
Startup 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Performance 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Principle of Operation 12 . . . . . . . . . . . . . . . . . . . . . .
Maintenance 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bourdon Tube/Flapper Assembly
Replacement 13 . . . . . . . . . . . . . . . . . . . . . . . . .
Block-and-Bleed Relay Assembly
Replacement 13 . . . . . . . . . . . . . . . . . . . . . . . . .
Low or High Set Point Assembly Replacement 14
Pilots without Set Point Indication 14 . . . . . . . . .
Pilots with Set Point Indication 14 . . . . . . . . . . . .
Parts Ordering 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts Kits 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
W4035/IL
FRONT VIEW
W4034/IL
LEFT SIDE WITH
CASE COVER OFF
Figure 1. Type 4660 High-Low Pressure Pilot with Relay
Introduction
Scope of Manual
This instruction manual provides installation,
operating, maintenance, and parts ordering
information for the Type 4660 high-low pressure
pilot. Refer to separate instruction manuals for
information regarding the control valve actuator.
Instruction Manual
Form 5200
September 2004
4660 Pressure Pilot