Fisher 4060 User Manual

D102589X012
Type 4060 and 4070 Valve Positioners
Contents
Introduction 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Specifications 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Positioner Mounting 3. . . . . . . . . . . . . . . . . . . . . . . . . .
Pressure Connections 4. . . . . . . . . . . . . . . . . . . . . . . .
Supply Connection 4. . . . . . . . . . . . . . . . . . . . . . . . . .
Output Connections 5. . . . . . . . . . . . . . . . . . . . . . . . .
Instrument Connection 5. . . . . . . . . . . . . . . . . . . . . . .
Vent 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Connections for Type 4070
Electro-Pneumatic Positioners 6. . . . . . . . . . . . . . .
Operating Information 6. . . . . . . . . . . . . . . . . . .
Front Cover and Indicator Cover 6. . . . . . . . . . . . . . .
Cam Adjustment 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calibration 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Pre-calibration 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Span and Zero Adjustment 8. . . . . . . . . . . . . . . . . . .
Damper Adjustment 9. . . . . . . . . . . . . . . . . . . . . . . . . .
Principle of Operation 9. . . . . . . . . . . . . . . . . . .
Maintenance 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 10. . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Gauges 10. . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Pilot valve 10. . . . . . . . . . . . . . . . . . . .
Replacing the Diaphragm 11. . . . . . . . . . . . . . . . . . .
Replacing the I/P Unit Filter 11. . . . . . . . . . . . . . . . . .
Removing the Positioner 11. . . . . . . . . . . . . . . . . . . .
Replacing the Positioner 12. . . . . . . . . . . . . . . . . . . .
Parts Ordering 12. . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts List 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 1. Type 4070 Electro-Pneumatic Valve Positioner
W7099-1 / IL
Introduction
Scope of Manual
This instruction manual provides installation, operat-
ing, calibration, maintenance, and parts ordering in-
formation for the Type 4060 pneumatic positioner and
the Type 4070 electro-pneumatic positioner. Refer to
Instruction Manual
Form 5452
January 1999
Types 4060 & 4070

Fisher 4060 Specifications

General

Frequency response	20Hz to 20kHz
Input sensitivity	2.5mV (MM), 150mV (line)
Output	150mV (line)
Speaker load impedance	4Ω to 16Ω
Signal to noise ratio	90dB (line)
Semiconductors	transistors, diodes
Tuning range	FM: 88 - 108 MHz, MW: 530 - 1600 kHz

Summary

Introduction

Scope of Manual

Outlines the topics covered in the instruction manual for positioners.

Description

Details the purpose and design features of Type 4060 and 4070 valve positioners.

Specifications

Lists technical data, operating limits, connections, and weight for the valve positioners.

Installation

Positioner Mounting

Step-by-step guide for physically attaching the positioner to the actuator yoke.

Pressure Connections

Details the types and sizes of ports for air and gauge connections.

Supply Connection

Instructions for connecting the air supply to the positioner's supply port.

Output Connections

How to connect positioner output ports to actuator cylinder connections.

Instrument Connection

Connecting the input signal from the control device to the positioner.

Vent

Information on the purpose and connection of the vent port for releasing air.

Electrical Connections for Type 4070 Electro-Pneumatic Positioners

Wiring instructions for the Type 4070's electrical input signal.

Operating Information

Front Cover and Indicator Cover

Describes the removal and sealing of the positioner's front and indicator covers.

Cam Adjustment

Guide to adjusting the cam lobes for correct actuator travel and failure mode.

Calibration

Procedures for pre-calibration checks and ensuring correct setup before adjustments.

Zero and Span Adjustment

Detailed steps for setting the zero and span of the positioner's control.

Damper Adjustment

How to adjust the built-in dampers to control actuator travel speed.

Principle of Operation

Maintenance

Troubleshooting

Lists common problems and their potential causes for the positioner.

Replacing Gauges

Steps for safely removing and installing pressure gauges on the positioner.

Replacing the Pilot Valve

Instructions for removing, cleaning, and reinstalling the pilot valve assembly.

Replacing the Diaphragm

Procedure for safely removing and replacing the diaphragm in the positioner.

Replacing I/P Unit Filter

Guide to replacing the filter element within the Type 4070's I/P unit.

Removing the Positioner

Steps to disconnect and detach the positioner from the actuator.

Replacing the Positioner

Instructions for reinstalling a positioner, followed by calibration.

Parts Ordering

Parts List

A list of available parts with their corresponding part numbers.