Fisher 4195 KB Series Instruction Manual page 2

4195KA, KB, and KC Series
Contents (continued)
Remote Set Point (suffix letter M)
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto/Manual Station (suffix letter E)
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . .
External Feedback Operation
5. 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, and Reset Valve, Tubing
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
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
Replacing Link 1 . . . . . . . . . . . . . . . . . . . . . . .
Replacing Link 2 . . . . . . . . . . . . . . . . . . . . . . .
Replacing Link 3 . . . . . . . . . . . . . . . . . . . . . . .
Replacing Link 4 . . . . . . . . . . . . . . . . . . . . . . .
Bourdon Tube Travel Stop Installation
and Adjustment
Bourdon Tube Controller Calibration:
Zero and Span Adjustment
Capsular Element Controller Maintenance
and Calibration . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Capsular Element
Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .
Replacing Capsular Element Parts
Replacing the Long Pivot Assembly
Replacing the Short Pivot Assembly
Replacing the Process Drive Flexure
Replacing the Process Tubing
Replacing Capsular Element
Controller Links
Replacing Link 1 . . . . . . . . . . . . . . . . . . . . . . .
1-2
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Replacing Link 2
Replacing Link 3
Replacing Link 4
4-12
Replacing Link 5
Capsular Element Controller
4-12
Maintenance Calibration
4-12
Precalibration Procedure
Aligning the Drive Bracket Assembly
Setting the Travel Stops
Aligning the Linkage
5-1
Capsular Element Controller
5-1
Zero and Span Adjustment
5-1
Remote Set Point (suffix letter M)
5-1
Maintenance
5-5
Replacing the Remote Set Point
5-5
Assembly
5-6
Replacing Remote Set Point
Assembly Parts
Replacing Pivot Assembly A (key 114)
5-6
Replacing Pivot Assembly B (key 115)
Replacing the Drive Flexure
Replacing the Remote Set Point Tubing
5-6
Replacing Link A
Replacing Link B
5-10
Remote Set Point (suffix letter M)
Maintenance Calibration
5-13
Precalibration Procedure
Aligning the Flexures
5-15
Setting the Travel Stops
Aligning the Linkage
5-15
Remote Set Point Zero and Span
Adjustment
5-16
Remote Set Point Linearity Adjustment
Auto/Manual Station (suffix letter E)
Maintenance
5-16
Replacing the Auto/Manual Station
Replacing the Switch Body Assembly,
5-16
Lever O-Ring, Switch Body O-Ring,
5-16
and Tubing Assembly
5-17
Replacing the Loader Range Spring,
5-17
Diaphragm Assembly, Ball Seat,
5-18
Tubing, and Ball
5-18
Replacing the Loader Valve Plug and
5-19
Valve Plug Spring
5-20
6. Parts
5-21 Parts Ordering
Parts Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-23 Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Abbreviations Used In The Parts List
5-23 Controller Common Parts
5-23 Process and Set Point Indicator
5-23 Assembly
5-24 Indicator Assembly
5-24 Capsular Element Assembly
5-24 Type 83U Relay
Remote Set Point Assembly
5-25 (suffix letter M)
5-25 Auto/Manual Station (suffix letter E)
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5-25
5-26
5-26
5-27
5-27
5-27
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5-28
5-28
5-29
5-30
5-30
5-30
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5-32
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5-32
5-32
5-33
5-33
5-33
5-33
5-33
5-34
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5-35
5-35
5-35
5-36
5-37
6-1
6-1
6-1
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6-1
6-5
6-6
6-7
6-7
6-7
6-8