Cameron BARTON 289A Installation Manual Download Page 27 | Manualshive

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27

Figure 5-2. Model 291B Assembly Drawing

WARNING

Use only spare parts identified in this manual. Cameron bears no legal respon-

sibility for the performance of a product that has been serviced or repaired with

parts that are not authorized by Cameron.

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Summary of Contents for BARTON 289A

Page 1: ...TALLATION 7 2 1 General 7 2 2 Mounting Piping DPU Installation 7 2 3 Electrical Connection Switches Relays 7 2 4 Switch Use 7 2 5 Startup 7 SECTION 3 MAINTENANCE AND CALIBRATION 9 3 1 Required Tools 9 3 2 DPU Installation Test Calibration Maintenance 9 3 3 Bezel Lens or Cover Installation and Removal 9 3 4 Calibration Check 10 3 5 Pointer Installation and Removal 10 3 6 Indicator Calibration 11 3 ...

Page 2: ...nce of a hazard which will cause severe personal injury death or substantial property damage if warning is ignored WARNING notes indicate the presence of a hazard which can cause severe personal injury death or substantial property damage if warning is ignore CAUTION notes indicate the presence of a hazard which will or can cause mod erate personal injury or property damage if warning is ignored ...

Page 3: ...e case to ensure a moisture fume and dust free atmosphere for the indicator and switch mechanism Model 291B has an explosion proof case that is certified for Class I Division 1 Groups B C D service The large cover lens allows maximum readability of the indicating pointer Switches and all adjustments are readily accessible when the cover is removed Figure 1 2 page 4 The built in switches energize e...

Page 4: ...Switch B Differential Pressure Unit DPU 289A and 291B are actuated by a Barton Model 199 DPU For detailed information on the actuating DPU see the Barton Model 199 DPU user manual Part No 10030 Figure 1 2 Switches and adjustable controls ...

Page 5: ... 50 Zero DP 100 0 50 Maximum DP RED Y ELLO W BLUE BLAC K W HI T E 100 0 50 SWITCH A LEFT SWITCH B RIGHT CAM TERMINAL BLOCK IN CASE BOTH SWITCHES RELAXED SWITCH PLUNGER SCREW Note Wire Green for 289A and Violet for 291B Mid point DP HIGH LOW SWITCH A AC TUAT ED SWITCH B RELAXED SWITCH A RELAXED SWITCH B AC TUAT ED SWITCH CLOSED CONTACTS OPEN CONTACTS GREEN WHITE GREEN BLACK A LEFT B RIGHT YELLOW BL...

Page 6: ...Switch Deadband 5 SPDT 6 DPDT Switch Type Mechanical Snap Acting Contact Type Single Pole Double Throw SPDT Double Pole Double Throw DPDT Switch Rating 125 VAC 5 Ampsa 250 VAC 2 5 Ampsa 30 VDC Inductive 1 0 Ampsb 30 VDC Resistive 3 0 Amps 125 VDC Inductive 0 2 Ampsa b 125 VDC Resistive 0 4 Ampsa Relay Coil Power Requirement DC Relay 1 5 Watts AC Relay 2 75 Volt Amps Contact Types Single Pole Doubl...

Page 7: ...order The direct set switch contacts are adjustable over the entire scale range Wiring diagrams on page 8 show the electrical connections for the switches The high switch and low switch setpoint adjustment procedures are covered in section 3 7 page 12 For physical location of switches and connections see page 3 2 4 Switch Use Switch contact life is influenced by various application conditions such...

Page 8: ...N O C N C N O C C HIGH 4 4 291B SWITCH AND RELAY LOW BROWN BLUE GRAY ORANGE WHITE VIOLET WHITE BLACK WHITE ORANGE WHITE GRAY WHITE BLUE WHITE BROWN WHITE WHITE RED RED WHITE YELLOW BLACK WHITE BLACK BROWN YELLOW RED YELLOW BLUE GRAY BROWN ORANGE VIOLET WHITE BLACK WHITE BLACK BLACK VIOLET N C N C N C N C N O N O N O N O C C C N C N O C N C N O C C HIGH GREEN RED YELLOW BLUE WHITE RED WHITE YELLOW ...

Page 9: ...MBLY ALL ELECTRICAL POWER SUPPLIES MUST BE TURNED OFF THE COVER MUST BE REMOVED TO CALIBRATE THE INSTRUMENT BEFORE ANY MAINTENANCE CALIBRATION REVIEW MODEL 199 DPU MANUAL Part No 10030 For non explosionproof units the bezel gasket Part No 0277 0026C must be installed as shown below The two snubbers Part No 0266 0028C on the scaleplate should not be com pressed against the lens cover and the pointe...

Page 10: ...ure range The pointer should move approxi mately 5 to 10 below zero 4 To test for overtravel connect pressure source to HP housing and vent LP housing Apply pressures approximately 150 of differential pressure range Pointer should move approximately 5 to 10 above fullscale 5 Apply 0 50 and 100 of full scale pressure If indication is within specified limits instrument calibration is satisfactory an...

Page 11: ... with a wrench 4 Apply 100 pressure If pointer exceeds full scale lengthen the movement range arm by by turning the range adjust screw counterclockwise If the pointer does not reach full scale shorten the range arm by turning the range adjust screw clockwise 5 Release pressure Set pointer to zero using pointer hub for zero adjustment 6 Repeat as necessary to obtain zero and full scale readings 7 A...

Page 12: ...ercent age of full scale of F S Deadband is not adjustable For example the switch above was found to reset at 26 4 psid with increasing pressure The deadband was 2 4 psi or 4 of the full scale 0 to 60 psid A In Service Instruments calibration pressures cannot be applied 1 Remove bezel Do not remove pointer or scale 2 Insert hex wrench in switch adjust post item A Fig 3 4 3 Loosen switch lock screw...

Page 13: ... Allow extra time for slow response gages and for test systems that have long runs of small bore tubing 8 High alarm switches right side of the scale are adjusted in a similar manner Apply increasing pressure to establish the switch setpoint decreasing pressure to measure deadband C Notes 1 Always check setpoint after tightening switch lock screws 2 Either switch may be set at any point of the sca...

Page 14: ...oltage is recom mended for safety If relay is installed in instrument coil voltage must be applied to switch 2 Unlock switch plate back out stop screw and move plate until roller is positioned at top of the cam Observe that switch does not actuate when roller is moved from low point on cam to high point If it does actuate back out plunger screw with roller on top of cam until switch de actu ates 3...

Page 15: ...formance The high switch is usually set to actuate at increasing pressure There fore when calibrating high switch apply test pressure in an increasing direction This amount of loading will prevent cam runout of a similar condition Excessive plunger loading more than 3 flats may cause roller to drag on cam Cam friction will be apparent by excessive hysteresis erratic pointer readings and inconsiste...

Page 16: ...rference 2 To tighten drive arm assembly onto torque tube shaft a While supporting block shaft tighten clamp screw until snug to shaft b Still supporting block shaft tighten clamp screw an additional Sintered 1 3 to 1 2 turn This screw can normally turn one full revolution before breaking Slotted 1 4 to 1 3 turn The slot in the slotted clamp block should still be open 3 11 Troubleshooting See Warn...

Page 17: ...leaks on HP side Repair leaks Low or no Indication cont d Bellows unit refer to DPU Manual Housing filled with solids restricting bellows movement Clean out housing Gas liquid service or liquid gas service trapped in housing Vent housing HP housng gasket leak Replace gasket DPU tampered with Return BUA for repair Indicator alarm switch mechanism Loose linkage or movement Tighten or replace Out of ...

Page 18: ...r gas bubble liquid service trapped in piping Remove Vapor generator incorrectly installed Re pipe Reference leg gassy or Liquid vaporizing See piping instruc ions in DPU Manual Bellows unit Refer to DPU Manual Obstructed bellows travel Clean bellows Gas trapped in DPU HP or LP housing Remove see Startup procedure Linkage dragging or dirty Adjust or clean Pointer dragging on scaleplate Adjust poin...

Page 19: ...19 Figure 4 1 Model 289A Outside Dimensions Part 1 of 2 SECTION 4 INSTALLATION DIMENSIONAL DRAWINGS ...

Page 20: ...Note 1 10 5 32 257 9 7 1 8 181 0 2 50 8 2 9 64 51 2 12 4 500 31 0 FORGED ALLOY ST 4142 1 2 NPT Note 1 1 4 NPT Note 1 10 5 32 257 9 7 1 8 181 0 2 50 8 2 9 64 51 2 12 6 000 41 4 FORGED ALLOY ST 4142 FORGED STNL ST 17 4 PH 9 16 18 UNF Note 2 9 16 18 UNF Note 2 10 5 32 257 9 7 1 8 181 0 2 50 8 2 50 8 12 FORGED ALLOY ST 4142 FORGED STNL ST 17 4 PH 1 2 NPT Note 1 1 4 NPT Note 1 10 5 32 257 9 7 1 8 181 0...

Page 21: ...21 Figure 4 3 Model 291B Outside Dimensions Part 1 of 2 ...

Page 22: ... NPT Note 1 12 1 4 309 9 7 1 8 181 0 12 4 500 31 0 FORGED ALLOY ST 4142 1 2 NPT Note 1 1 4 NPT Note 1 12 1 4 309 9 7 1 8 181 0 12 6 000 41 4 FORGED ALLOY ST 4142 FORGED STNL ST 17 4 PH 9 16 18 UNF Note 2 9 16 18 UNF Note 2 12 1 4 309 9 7 1 8 181 0 12 FORGED ALLOY ST 4142 FORGED STNL ST 17 4 PH 1 2 NPT Note 1 1 4 NPT Note 1 12 1 4 309 9 7 1 8 181 0 12 Note 1 Can be reversed when ordered or can be r...

Page 23: ...SECTION 5 PARTS DRAWINGS PARTS LISTS WARNING Use only spare parts identified in this manual Cameron bears no legal respon sibility for the performance of a product that has been serviced or repaired with parts that are not authorized by Cameron ...

Page 24: ...8 0040B 6 NOT USED 7 LOW ALARM DRIVE PLATE ASSY 0288 0026B 1 8 HIGH ALARM DRIVE PLATE ASSY 0288 0027B 1 9 LOW SWITCH ADJUSTMENT INDEX ASSY 0288 0028B 1 10 HIGH SWITCH ADJUSTMENT INDEX ASSY 0288 0029B 1 11 LOW RELAY ASSY Non CE Use Only 1 Coil Voltage Wired SPDT Wired DPDT 6 VAC 0288 0015B 0288 1045B 12 VAC 0288 0045B 0288 1035B 24 VAC 0288 0016B 0288 1044B 125 VAC 0288 0017B 0288 1043B 250 VAC 028...

Page 25: ... SST SL FL HD WITH RELAY ONLY LOW OR HIGH ALARM SINGLE 0112 1022J 2 DUAL ALARM 0112 1022J 4 22 SCREW 3 48 X 3 16 SST SL BINDING HD LOW OR HIGH ALARM SINGLE 0117 0007J 3 DUAL ALARM 0117 0007J 6 23 SCREW 8 32 X 1 4 SST SL BINDING HD LOW OR HIGH ALARM SINGLE 0117 0016J 1 DUAL ALARM 0117 0016J 2 24 PLUG SCR 8 32 X 1 4 SST PAN HD SINGLE 0119 0042J 1 NOT SHOWN 25 WASHER SST LOW OR HIGH ALARM SINGLE 0317...

Page 26: ... RELAY 2 S401 0016Z LOW ALARM WITH RELAY 0288 0004B 51 SWITCH WIRED HIGH ALARM NOT SHOWN 1 HIGH ALARM SPDT WITHOUT RELAY 0257 0008B HIGH ALARM DPDT WITHOUT RELAY 1 0257 0008B HIGH ALARM DPDT WITHOUT RELAY 2 S401 0017Z HIGH ALARM WITH RELAY 0288 0003B 52 DISC SEALER 112 WITH 3M 468 ADHESIVE 0192 1035T 1 53 CALIBRATION KIT NOT SHOWN 0288 1032B 1 54 INSULATOR STRIP 0038 1345T 1 55 LENS PLASTIC 0181 0...

Page 27: ... Assembly Drawing WARNING Use only spare parts identified in this manual Cameron bears no legal respon sibility for the performance of a product that has been serviced or repaired with parts that are not authorized by Cameron ...

Page 28: ...28 Figure 5 3 Model 291B Detail Drawing ...

Page 29: ...W ALARM DRIVE PLATE ASSY 0288 0026B 1 7 HIGH ALARM DRIVE PLATE ASSY 0288 0027B 1 8 LOW SWITCH ADJUSTMENT INDEX ASSY 0288 0028B 1 9 HIGH SWITCH ADJUSTMENT INDEX ASSY 0288 0029B 1 10 LOW RELAY ASSY Non CE Use Only 1 Coil Voltage Wired SPDT Wired DPDT 6 VAC 0288 0015B 0288 1045B 12 VAC 0288 0045B 0288 1035B 24 VAC 0288 0016B 0288 1044B 125 VAC 0288 0017B 0288 1043B 250 VAC 0288 0046B 0288 1034B 6 VDC...

Page 30: ...8 32 X 1 4 SST SL BINDING HD LOW OR HIGH ALARM SINGLE 0117 0016J 1 DUAL ALARM 0117 0016J 2 21 WASHER 8 FLAT SST LOW OR HIGH ALARM SINGLE 0317 0019J 1 DUAL ALARM 0317 0019J 2 22 WASHER NO 3 FLAT SST LOW OR HIGH ALARM SINGLE 0003 0045K 4 DUAL ALARM 0003 0045K 8 23 GRIP RING LOW HIGH ALM SINGLE DUAL 0087 0011 T 1 24 WIRE NUT CONNECTOR NOT SHOWN LOW OR HIGH ALARM SINGLE WITH RELAY 0109 0017T 1 DUAL AL...

Page 31: ...XPLOSIONPROOF IT10 1090B 1 52 SWITCH WIRED LOW ALARM 1 LOW ALARM SPDT WITHOUT RELAY 0257 0009B LOW ALARM DPDT WITHOUT RELAY 1 0257 0009B LOW ALARM DPDT WITHOUT RELAY 2 LOW ALARM WITHOUT RELAY 1 290B 1009B 0288 0004B 53 SWITCH WIRED HIGH ALARM 1 HIGH ALARM SPDT WITHOUT RELAY 290B 1004B HIGH ALARM DPDT WITHOUT RELAY 1 290B 1004B HIGH ALARM DPDT WITHOUT RELAY 2 290B 1011B HIGH ALARM WITH RELAY 290B 1...

Page 32: ... EXCLUDES ALL OTHER EXPRESSED OR IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE 2 Components manufactured by any supplier other than Cameron shall bear only the warranty made by the manufacturer of that product and Cameron assumes no responsibility for the per formance or reliability of the unit as a whole 3 In no event shall Cameron be liable for indirect i...

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