Table of Contents
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Model 200A
CONTENTS
Section 1 - Introduction .......................................................... Page 3
1-1. General....................................................................... Page 3
1-2. Main Components ....................................................... Page 3
1-3. Indicator Specifications ................................................. Page 3
1-4. Theory of Operation .................................................... Page 3
Section 2 - Installation ............................................................ Page 5
Section 3 - Maintenance ......................................................... Page 7
3-1. Required Tools............................................................. Page 7
3-2. DPU Test/Calibration/Maintenance Equipment .............. Page 7
3-3. Bezel and Lens Installation and Removal ........................ Page 7
3-4. Calibration Check ........................................................ Page 7
3-5. Pointer Installation and Removal ................................... Page 8
3-6. Complete Calibration ................................................... Page 8
3-7. Overrange Stop Adjustment .......................................... Page 9
3-8. DPU Maintenance........................................................ Page 10
3-9. Locking Drive Arm to Torque Tube ............................... Page 10
3-10. Troubleshooting ......................................................... Page 11
Section 4 - Parts Drawing/List ................................................ Page 12
4-1. Model 200A ................................................................ Page 12
Figure 4-1. 200A Parts Drawing ....................................... Page 12
Table 4-1. 200A Parts List................................................ Page 13
4-2. Models 227A and 227C ............................................... Page 14
Figure 4-2. 227A/227C Parts Drawing ............................. Page 14
Table 4-2. 227A/227C Parts List ..................................... Page 15
Section 5 - Installation Drawings .............................................. Page 16
5-1. 200A (0200-09043) .................................................... Page 16/17
5-2. 227A (0227-09013) Standard ...................................... Page 18/19
5-3. 227A (0227-09033) 500 psi Brass ............................... Page 20/21
5-4. 227C (227C-10013).................................................... Page 22/23
[This manual is for the Indicator only - before installing or
operating this instrument, refer to the separate DPU manual that is
appropriate for the instrument model listed above.]
MODELS 200A/227A/227C
DIFFERENTIAL PRESSURE INDICATOR
Model 227A
200A use 199 DPU
227A uses 224 DPU
227C uses 224C DPU
Installation Manual
Version 03D77d
ID#10055
4/2003
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Summary of Contents for Barton 200A
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Page 1: Table Of Contents
3-10. Troubleshooting ............Page 11 Section 4 - Parts Drawing/List ..........Page 12 4-1. Model 200A ..............Page 12 Figure 4-1. 200A Parts Drawing ........Page 12 Table 4-1. 200A Parts List..........Page 13 4-2. Models 227A and 227C ..........Page 14 Figure 4-2. - Page 2 DPU manual that is appropriate for the instrument model.) PRODUCT WARRANTY STATEMENT The product warranty applicable to this Barton instrument is as stated on the back (last page) of this manual. NOTICE: The warranty of this instrument and the associated DPU will be voided if the following limitations are exceeded: Temperature - Do not subject the DPU to temperatures above 200°F or below -60°F...
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Page 3: Section 1 - Introduction
The 200A consists of two major components: an actuating unit (DPU) and the case enclosed indicating instrument. A. Actuating Unit (DPU) - 200A uses 199 DPU, 227A uses a 224 DPU, and 227C uses a 224C DPU. For detailed information on the actuating DPU, see the appropriate (separate) DPU manual. - Page 4 (Blank Page)
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Page 5: Section 2 - Installation
SECTION 2 - INSTALLATION 2-1. General The instrument should be inspected at time of unpacking to detect any damage that may have occurred during shipment. Note: The DPU was checked for accuracy at the factory — do not change any of the settings during examina- tion or accuracy will be affected. - Page 6 (Blank Page)
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Page 7: Section 3 - Maintenance
SECTION 3 - MAINTENANCE/CALIBRATION 3-1. Required Tools Tool Purpose Pointer puller Pointer removal Small screwdriver Calibration adjustments Medium screwdriver Bezel removal/DPU bracket screws Spanner wrench (p/n 0163-0005B) DPU Range screw adjustment 1/8" Open-end wrench Calibration adjustments 3-2. DPU Test/Calibration/Maintenance Equipment Refer to the appropriate (separate) DPU Manual. -
Page 8: Pointer Installation And Removal
B. Pointer Removal Pointer is removed with Barton Pointer Puller (p/n 0163-0005B), which is included in the toolkit (p/n 0288-1032B). Slide pointer puller along pointer until pin protruding from tip of screw in pointer puller is directly over movement shaft and arms of pointer puller are directly under pointer. -
Page 9: Overrange Stop Adjustment
3-6. Complete Calibration (Cont.) (DP=Differential Pressure) Attach linkage between drive arm and movement. Fig. 3-3 shows alignment at 50% DP. Inspect parts for straight- ness and pivot-fit without binding. Set pointer at zero on scale by slip- ping pointer on hub. Hold tip of pointer and turn hub with wrench. -
Page 10: Dpu Maintenance
3-8. DPU Maintenance DPU inspection/cleaning/repair/service procedures, along with applicable WARNING notices, are presented in the appropriate (separate) DPU manual. 3-9. Locking Drive Arm to Torque Tube (Also see appropriate (separate) DPU manual.) Figure 3-9. Locking Drive Arm to Torque Tube Slip drive arm over torque tube shaft;... -
Page 11: Troubleshooting
3-10. Troubleshooting Refer to Table 3-1 for troubleshooting information. Also, see the appropriate (separate) DPU manual. Table 3-1. Troubleshooting Problem Possible Probable Cause Corrective Action Source Low or No See separate DPU manual Indication Indicator Loose movement Tighten/replace movement Out of calibration Calibrate unit Dirty or corroded Clean/replace mechanism... -
Page 12: Section 4 - Parts Drawing/List
SECTION 4 - PARTS DRAWING/LIST 4-1. Model 200A Figure 4-1. 200A Parts Drawing... - Page 13 Table 4-1. 200A Parts List Item Description Part No. Unit DIFFERENTIAL PRESSURE UNIT (DPU) SEE DPU (NOT SHOWN) MANUAL 200A USES 199 DPU SCREW, BEZEL 0181-0007C BEZEL (PART OF ITEM #24) 0277-0029C LENS, COVER (PART OF ITEM #24) 0181-0038C GASKET, BEZEL (PART OF ITEM #24)
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Page 14: Models 227A And 227C
SECTION 4 - PARTS DRAWING/LIST (Cont.) 4-2. Model 227A/227C Figure 4-2. 227A/227C Parts Drawing... - Page 15 Table 4-2. 227A/227C Parts List Item Description Part No. Unit CASE, INDICATOR 0227-0014C BEZEL (PART OF ITEM #21) 0277-0029C LENS, COVER (PART OF ITEM #21) 0181-0038C GASKET (PART OF ITEM #21) 0277-0026C SCALE PLATE WHITE ON BLACK BACKGROUND 0227-0013C BLACK ON WHITE BACKGROUND 0227-1003C POINTER ASSEMBLY: WHITE...
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Page 16: Section 5 - Installation Drawings
SECTION 5 - INSTALL/DIMENSIONAL DRAWINGS 5-1. 200A Drawing (0200-09043) -
Page 18: 227A (0227-09013) Standard
SECTION 5 - INSTALL/DIMENSIONAL DRAWINGS (Cont.) 5-2. 227A Drawing (0227-09013) Standard... -
Page 20: 227A (0227-09033) 500 Psi Brass
SECTION 5 - INSTALL/DIMENSIONAL DRAWINGS (Cont.) 5-3. 227A Drawing (0227-09033) 500 psi Forged Brass... -
Page 22: 227C (227C-10013)
SECTION 5 - INSTALL/DIMENSIONAL DRAWINGS (Cont.) 5-4. 227C Drawing (227C-10013) - Page 24 Barton Instrument Systems, L.L.C.. Disclaimer Barton Instrument Systems, LLC makes no warranty of any kind with regard to this manual, materials attached to or provided with, including, but not limited to, implied warranties of merchantability and fitness for a particular purpose.
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