Emerson TCL instruction manual Replacing the air pump diaphragm and check valves

Page 65

MODEL TCL

SECTION 10 MAINTENANCE

10.3.5Replacing the air pump diaphragm and check valves.

1.Disconnect power to the analyzer.

2.Refer to Figure 10-12. Disconnect the reagent and air injection tubes. Disconnect the suction and discharge tubing by turning the Luer fitting in the direction shown in the figure. Disconnect the air pump inlet tubing from the barbed fitting in the bottom of the enclosure.

WARNING

HAZARDOUS

VOLTAGE

CAN CAUSE SEVERE INJURY OR DEATH.

DISCONNECT POWER BEFORE SERVICING.

9241136/B

3.Remove the four screws (circled in Figure 10-13) holding the air pump access panel. Pull out the pump and panel.

4.Disconnect the air inlet and outlet tubing from the air pump. See Figure 10-14.

5.Remove the five screws (surrounded by squares in Figure 10-13) holding the air pump to the access panel.

6.Pull the rubber base off the pump.

7.Using needle nose pliers, remove the air inlet fitting from the side of the air pump. See Figure 10-16.

8.Slide the pump assembly out of the air pump body. See Figure 10-17.

9.Following instructions on the package (PN 9160518), replace the diaphragm and check valves.

10.Slide the pump assembly back into the pump body and replace the barbed inlet fitting.

11.Replace the rubber base and screw the pump access panel back onto the air pump.

12.Connect the air inlet and outlet tubing to the air pump. See Figure 10-14. The conical end of the check valve points in the direction of the air flow.

13.Replace the air pump access panel.

14.Connect the sample pump tubing to the pump. Connect the reagent and air injection tubing. Connect the air inlet tubing to the barbed fitting at the bottom of the enclosure.

FIGURE 10-16.

FIGURE 10-17.

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Contents Total Chlorine Analyzer Electrical Shock Hazard Read this page Before ProceedingPage Rev. Level Date Hazardous Area InstallationModel TCL Total Chlorine Analyzer List of Tables Table of Contents ContdIii List of FiguresPage Model 1056 Chlorine Analyzer Section Description and SpecificationsModel TCL Sample Conditioning System Model 499A CL-02 Sensor Sample Conditioning System GeneralSample Requirements Linearity per ISO 15839 0-10 ppm 2% 0-20 ppm 3% Electrolyte Capacity Approximately 25 mLAccessories Sample Conditioning System Ordering Information and AccessoriesDescription Description Weight Ship WeightPrinciples of Operation Schematic of Sample Conditioning System and AnalyzerUnpacking and Inspection InstallationInstallation Panel Mounting Dimensions Pipe Mount Wall / Surface MountInstall the Sensor Install the Sample Conditioning EnclosureTCL Case Dimensions Prepare Analyzer Conduit Openings WiringProvide Power to the Sample Conditioning System Analog output wiring PowerAlarm wiring Sensor WiringEnglish Apply Power to the Analyzer and Complete Quick StartTotal Chlorine Ppm mg/LTemp Units Menu Tree Prepare the Reagent START-UPZero the Sensor Start Sample FlowDisplay Display and OperationKeypad Calibrate Programming the ANALYZER-TUTORIALOutputs RangeO1 S1 20mA 08.50 ppm Output Range O1 S1 4mA 0.000 ppmO2 S1 4mA 0.0C O2 S1 20mA 100.0C SecurityHold Using HoldMain Format Configuring the Main DisplayLanguage English Contrast Format, Language, Warning, and ContrastProgramming the Analyzer Default SettingsMeasurement Chlorine Default Settings ChoicesChoices Default Default SettingsTemperature related settings Security CodeDefinitions CONFIGURING, RANGING, and Simulating OutputsOutputs First Assign ConfigureProgramOutput Procedure Ranging Outputs Configure Simulate Output ConfigureOutput Output Range O1 S1 20mA 10.00 ppm O2 S1 4mA O2 S1 20mAConfiguring Alarms and Assigning Setpoints Configure SimulateRangeSimulate OutputDefinitions Alarm AlarmsConfigure/Setpoint Alarm Simulate Alarm Alarms Configure/SetpointSimulate Don’t SimulateSynch Timers Yes Alarms Configure/Setpoint SimulateConfiguring the Measurement Procedure Synchronizing TimersSensor1Sensor MeasurementProgram Outputs Alarms Measurement Configuring Temperature Related SettingsTemperature Temperature UnitsUnitsC S1 Temp Comp AutoProgram Alarms Measurement Temperature Configuring Security SettingsSecurity SecurityProgram Temperature Security Diagnostics Resetting the AnalyzerReset Analyzer Reset AnalyzerHart Digital CommunicationsIntroduction Calibrating TemperatureCalibration Procedure Temperature S1 Calibration + 25.0CCalibrate SensorSensor11 Output S1 CalibrationDetermination of Total Chlorine Calibrating Total ChlorineChoose Total Chlorine Procedure Zeroing the SensorS1 Zero Cal Sensor zero failed Press Exit Temperature S1 Calibration ZeroZeroCalCal Process CalCalibrate? SensorCalibrate? Sensor Calibrating Analog OutputsOutput MA Output Cal Meter 000 mAOutput Trim Complete Analyzer MaintenanceReplacing the membrane and electrolyte solution Cleaning the membraneTotal Chlorine Sensor GeneralSensor Parts Spare Parts Sample and reagent tubing ReagentReplacing Sample Tubing Peristaltic pump tubing Model TCL Replacing the air pump Replacing the air pump diaphragm and check valves Description Replacement Parts and Reagent for Sample Conditioning SystemUsing the Diagnostic Feature Section TroubleshootingFaults OverviewHardware Error Troubleshooting When a Fault Message is ShowingFault message Explanation Section Sensor ADC Error Sensor CPU ErrorSensor Incompatible Sensor RTD OpenExplanation Section Troubleshooting When a Warning Message is ShowingSensor Need Factory Cal Sensor Negative ReadingProblem See Section Troubleshooting When no Error Message is ShowingZero current is too high Zero current is unstableSensitivity is low or readings are low Readings drift Cath Simulating InputsAnod Simulating temperature Simulating TemperatureSection Return of Material Warranty RepairNON-WARRANTY Repair Return of Material WarrantySpecifications subject to change without notice

TCL specifications

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