Emerson Fisher 249W, Инструкция по эксплуатации

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D102803X012
Type 249W Cageless Wafer Style Level Sensor
Contents
Introduction 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Scope of Manual 1 . . . . . . . . . . . . . . . . . . . . . . . . .
Description 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Educational Services 2 . . . . . . . . . . . . . . . . . . . . . .
Type Number Description 3 . . . . . . . . . . . . . . . . . .
Installation 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation on Top of Vessel 3 . . . . . . . . . . . . . . .
Installation with Displacer Cage
on Side of Vessel 3 . . . . . . . . . . . . . . . . . . . . . .
Mounting the Sensor on the Process
Vessel or Displacer Cage 5 . . . . . . . . . . . . . . .
Maintenance 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing the Displacer and Stem 9 . . . . . . . . . .
Replacing the Displacer, Cotter Spring,
Stem End Piece, and Displacer Spud 10 . . . .
Replacing the Displacer Rod/Driver Assembly 10
Replacing the Torque Tube
11 . . . . . . . . . . . . . . .
Replacing the Torque Tube Arm and
Changing the Mounting 12 . . . . . . . . . . . . . . . .
Parts Ordering 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Determining Displacer Stem Length 13 . . . . . . . .
Parts List 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction
Scope of Manual
This instruction manual includes maintenance, and
parts ordering information for the Type 249W
cageless wafer style sensor.
Although the sensor is usually shipped with attached
controller or transmitter, as shown in figure 1, this
manual does not include operation, installation,
calibration, maintenance, and parts ordering
information for the controller/transmitter or for the
complete unit. For this information, refer to the
appropriate controller/ transmitter instruction manual.
Figure 1. Type 249W Sensor with DLC3000 Series
Digital Level Controller
W8231 / IL
No person may install, operate, or maintain a Type
249W sensor and the attached controller or
transmitter without first
D
being fully trained and
qualified in valve, actuator, and accessory
installation, operation and maintenance, and
D
carefully reading and understanding the contents of
this manual. If you have any questions concerning
these instructions, contact your Fisher sales office
before proceeding.
Note
Neither Emerson, Emerson Process
Management, nor Fisher assume
responsibility for the selection, use, or
maintenance of any product.
Responsibility for the selection, use,
and maintenance of any Fisher
product remains with the purchaser
and end-user.
Instruction Manual
Form 5729
March 2005
249W Level Sensor