Emerson Fisher KC Series Instruction Manual page 2

4195KA, KB, KC, and KS Controllers
Contents (continued)
5. 4195KS Series Differential Gap Controllers
Operating Information
Adjustments for 4195KS Series Differential
Gap Controllers
Manual Set Point
Remote Set Point (Option M)
Proportional Band (Differential Gap)
Changing Controller Action
Auto/Manual Switching (Option E)
Prestartup Checks
Startup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Process Zero and Span Adjustment
Remote Set Point Zero and Span
(Option M) . . . . . . . . . . . . . . . . . . . . . . . . .
Setting Switching Points
Direct-Acting Controllers
Reverse-Acting Controllers
Principle of Operation
Overall Operation
Remote Set Point (Option M)
Auto/Manual Option
6. Maintenance
Inspection and Maintenance
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Common Controller Parts
Replacing the Process Pressure Scale
Replacing the Relay
Replacing the Case and Cover
Replacing the Gauges
Replacing the Supply Gauge, Proportional,
Reset, Reset Valve and Positive Tubing
Feedback Assemblies
Replacing the Proportional Band Adjustment
Knob, Nozzle Assembly, and Set Point
Beam Assembly
Replacing the Flapper Assembly and
Flapper Flexure Pivot Assembly
Replacing the Proportional or Reset
Bellows . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Reset Restriction Valve
(4195KB Series)
Replacing the Rate/Reset Valve Assembly
(4195KC Series)
Replacing the Anti-Reset Windup
(suffix letter F) Differential Relief Valve 6-19
Replacing the Anti-Reset Windup
(suffix letter F) Relief Valve Tubing
Assembly . . . . . . . . . . . . . . . . . . . . . . . . .
Bourdon Tube Controller Maintenance
and Calibration . . . . . . . . . . . . . . . . . . . . . .
Replacing the Bourdon Tube
Replacing Bourdon Tube Controller Links 6-20
Replacing Link 1
1-2
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Replacing Link 2
Replacing Link 3
Replacing Link 4
5-1
Bourdon Tube Travel Stop Installation
and Adjustment
5-1
Bourdon Tube Controller Calibration:
5-1
Zero and Span Adjustment
5-1
Capsular Element Controller Maintenance
5-1
and Calibration
5-1
Replacing the Capsular Element
5-1
5-2
Replacing Capsular Element Parts
5-2
Replacing the Long Pivot Assembly
5-3
Replacing the Short Pivot Assembly
5-3
Replacing the Process Drive Flexure
Replacing the Process Tubing
5-4
Replacing Capsular Element
5-5
5-5
Replacing Link 1
5-5
Replacing Link 2
5-7
Replacing Link 3
5-7
Replacing Link 4
5-8
Replacing Link 5
5-8
Capsular Element Controller
Maintenance Calibration
6-1
Precalibration Procedure
6-1
Aligning the Drive Bracket Assembly
6-1
Setting the Travel Stops
6-5
Aligning the Linkage
6-6
Capsular Element Controller
6-6
Zero and Span Adjustment
6-6
Remote Set Point (suffix letter M)
Maintenance
Replacing the Remote Set Point
6-7
Assembly
Replacing Remote Set Point
6-7
Replacing Pivot Assembly A (key 114) 6-36
Replacing Pivot Assembly B (key 115) 6-37
6-11
Replacing the Drive Flexure
Replacing the Remote Set Point Tubing 6-38
6-15
Replacing Link A
Replacing Link B
6-17
Remote Set Point (suffix letter M)
Maintenance Calibration
6-18
Precalibration Procedure
Aligning the Flexures
Setting the Travel Stops
Aligning the Linkage
Remote Set Point Zero and Span
6-19
Adjustment
Remote Set Point Linearity Adjustment
6-20
Auto/Manual Station (suffix letter E)
6-20
Maintenance
Replacing the Auto/Manual Station
6-20
Instruction Manual
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Assembly . . . . . . . . . . . . . . . . . . . . . . .
Controller Links . . . . . . . . . . . . . . . . . .
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Assembly Parts . . . . . . . . . . . . . . . . . .
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Form 5207
April 2007
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