Emerson 3000 manual Fuse Replacement, Transformer Replacement, Mother Board Replacement

Page 68

Instruction Manual

Appendix B Rev. 2.2 January 1997

World Class 3000

SERVICE AND NORMAL MAINTENANCE

B-5

OVERVIEW

 

 

This section describes service and routine

 

 

maintenance of the HPS 3000 Heater Power

 

 

Supply Field Module. Replacement parts re-

 

 

ferred to are available from Rosemount. Refer to

 

 

Table B-2of this manual for part numbers and

 

 

ordering information.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Install all protective equipment covers

 

 

 

and safety ground leads after equip-

 

B-8

 

ment repair or service. Failure to in-

 

 

 

stall covers and ground leads could

 

 

 

result in serious injury or death.

 

 

 

 

 

 

 

 

 

 

 

B-6

FUSE REPLACEMENT

 

The heater power supply mother board (12, Figure B-7) contains four identical 5 amp fuses. Refer to Table B-1for replacement fuse specifi- cations. To check or replace a fuse, simply un- screw the top of the fuseholder with a flat head screwdriver and remove fuse. After checking or replacing a fuse, reinstall fuseholder top.

B-7 TRANSFORMER REPLACEMENT

Install all protective equipment covers and safety ground leads after equip- ment repair or service. Failure to in- stall covers and ground leads could result in serious injury or death.

a.Turn off power to system.

b.Loosen captive screws retaining HPS cover. Remove cover.

c.Remove hex nut (25, Figure B-7)from top of transformer assembly. Remove retaining plate (24) and gasket (22).

d.Disconnect transformer harness plug from mother board.

e.Remove old transformer. Place new trans- former in position and reconnect harness plug as noted in step d.

f.Place gasket and retaining plate on trans- former.

g.Tighten hex nut only enough to firmly hold transformer in place.

h.Reinstall HPS cover.

MOTHER BOARD REPLACEMENT

Install all protective equipment covers and safety ground leads after equip- ment repair or service. Failure to in- stall covers and ground leads could result in serious injury or death.

a.Turn off power to system.

b.Loosen captive screws retaining HPS cover. Remove cover.

c.Remove hex nut (25, Figure B-7)from top of transformer assembly. Remove retaining plate (24) and gasket (22).

d.Disconnect transformer harness plug from mother board.

e.Remove screws on either side of terminal strip covers (2). Remove terminal strip cov- ers (4 and 8).

f.Unplug ribbon cable from the receptacle on the daughter board (7).

g.Unscrew stand offs on either side of the daughter board. Remove daughter board

(7).

h.Unscrew four stand offs that supported the daughter board.

B-8 Appendices

Rosemount Analytical Inc. A Division of Emerson Process Management

Page 67 Page 69
Image 68
Page 67 Page 69
Contents World Class Essential Instructions Highlights of Changes Effective October, 1995 RevSummary Effective June, 1996 RevEffective May, 1997 Rev PageSummary Effective February, 1998 Rev PageSummaryTable of Contents World ClassList of Illustrations Typical System PackagePreface DefinitionsWorld Class Overview Component Checklist of Typical System Package ContentsSection Description System Configuration FeaturesTypical System Installation Heater Power Supply Probe Head WiringExisting Electronics ProbeSection Installation Either make necessary repairs or installInstallation Oxygen Analyzer ProbeProbe Installation Sheet 1 Probe Installation Sheet 2 Probe Installation Sheet 3 Probe Installation Sheet 4 Probe Installation Sheet 5 Service Required Orienting the Optional Vee DeflectorElectrical Installation of Heater Power Supply Heater Power Supply Installation Electrical ConnectionsSelection JM1 Fuses JM2 World Class Section Setup Electronics SetupModel 218A Electronics Setup G02 G04Heater Set Point Adjustment Model TC200 Veritrim Electronics SetupEprom Replacement Model 132 Digital Electronics Setup Main PCB Model 132 Eprom ReplacementSection Troubleshooting System TroubleshootingWorld Class Section Return of Material World Class Section Appendices World Class Oxygen Analyzer Probe General Figure A-2. Main Probe ComponentsTable A-1. Specifications for Oxygen Analyzing Equipment.1 Probe Assembly Exterior Cell and Flange AssemblyProbe Tube Assembly Snubber Diffusion AssemblyInner Probe Assembly Cell GeneralCable Assembly Abrasive Shield AssemblyProbe Junction BOX Probe OptionsView a Figure A-8. Ceramic Diffusion/Dust Seal Assembly Ceramic Diffusion AssemblyBypass Probe Options Probe Mounting Jacket OptionsFigure A-13. Bypass Probe Option Sheet 1 Figure A-13. Bypass Probe Option Sheet 2 Extended Temperature By-Pass Arrangements 2400 F 1300 C Group Code DescriptionProbe Troubleshooting Probe FaultsTable A-2. Fault Finding Symptom Check Remedy OverviewWorld Class Figure A-14. Flowchart of Probe Related Problems, #1 Figure A-15. Flowchart of Probe Related Problems, #2 Cell Replacement Probe RecalibrationFigure A-16. Cell Wiring Connection General Element ReplacementOptional Ceramic Diffusion World Class Replacement of Contact Thermocouple Assembly Figure A-19. Probe Junction Box Mechanical ConnectionsContact Heater Screws Not Shown Thermocoupler World Class Figure A-22. Oxygen Analyzer Probe, Cross-Sectional View Figure A-23. High Temperature Corrosive Environment Kit Replacement Parts Figure A-10 4841B03G02 Stainless Steel Diffuser Assembly Appendix B, REV HPS 3000 Heater Power Supply Description Front SideTable B-1. Specifications for Heater Power Supply Theory of OperationHPS 3000 Troubleshooting Overview HPS 3000 TroubleshootingSymptom Figure B-4. HPS Troubleshooting Flowchart, #1Figure B-5. HPS Troubleshooting Flowchart, #2 Figure B-6. HPS Troubleshooting Flowchart, #3 Mother Board Replacement Fuse ReplacementTransformer Replacement Daughter Board Replacement Figure B-7. Heater Power Supply, Exploded View Table B-2. Replacement Parts for Heater Power Supply Part Number DescriptionWorld Class Section Index World Class Warranty World Class 3000 Probe Serial No Order No HPS
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3000 specifications

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