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NIC-704-2005-01

SERVICE MANUAL

Reducing Vaporization Mercury Analyzer

Mercury RA-4500

Service Manual

Nippon Instruments Corporation

Содержание Mercury RA-4500

Страница 1: ...NIC 704 2005 01 SERVICE MANUAL Reducing Vaporization Mercury Analyzer Mercury RA 4500 Service Manual Nippon Instruments Corporation...

Страница 2: ...uccessful firmware update 7 3 REPLACEMENT OF COMPONENTS 8 3 1 Replacement of mainboard 8 3 2 Replacement of reagent pump 9 3 3 Replacement of lamp 11 3 4 Replacement of heater 12 3 4 1 Procedure for r...

Страница 3: ...cover of the instrument otherwise an electric shock or damage to the instrument may result Before updating the firmware make sure that it is compatible with the version of the personal computer softwa...

Страница 4: ...rmware Since RA4Win and the firmware have a rewriting function for the firmware it can be updated easily Click System and Firmware Update of RA 4win The screen shown above appears This screen will be...

Страница 5: ...ick the Open button to read the firmware file Ordinarily the file name is RA4 mot When the reading is completed normally File load success is displayed and the Program button becomes valid as shown be...

Страница 6: ...o the flash memory of the RA4 main unit Erasing writing and verification are carried out in that order in the writing procedure Do not turn off the power during the writing procedure If the power is t...

Страница 7: ...Mercury RA 4500 6 NIC 704 2005 01 2 1 3 Validation When the writing is completed the window shown below appears Click OK to terminate the process Turn off the RA4 main unit and turn it on again When t...

Страница 8: ...s exclusively for firmware rewriting and rewrite the firmware 1 Turn off the power open the rear cover of the main unit and set the SW1 on the CPU board to the boot mode 2 Make sure that the personal...

Страница 9: ...ent may result Remove from the instrument chemicals such as sample containers and reagent bottles on the turntable before starting work because they may be spilled by mistake at the time of work 3 1 R...

Страница 10: ...ducing Vaporization Mercury Analyzer Mercury RA 4500 9 NIC 704 2005 01 3 2 Replacement of reagent pump 1 To remove the pump mount remove the screw of the side panel 2 Remove the screw of the pump moun...

Страница 11: ...3 Replacement of components Reducing Vaporization Mercury Analyzer Mercury RA 4500 10 NIC 704 2005 01 4 Remove the screws of the pump from the inside of the pump mount and replace the pump...

Страница 12: ...5 01 3 3 Replacement of lamp External appearance of optical system Remove the screws of the optical system box shown above and remove the intermediate plate Then disconnect the connectors of the const...

Страница 13: ...mp in the procedure reverse to that for the removal After attaching the optical system as before carry out Optical Adjust to adjust the voltage of the optical system in the maintenance mode on the scr...

Страница 14: ...ducing Vaporization Mercury Analyzer Mercury RA 4500 13 NIC 704 2005 01 2 Pull the turntable right upward to remove it 3 4 2 Procedure for removing right side panel 1 Remove the screw shown below from...

Страница 15: ...mponents Reducing Vaporization Mercury Analyzer Mercury RA 4500 14 NIC 704 2005 01 2 Remove the six screws on the right side 3 Since the right side panel has been hung on screws it can be removed by a...

Страница 16: ...orization Mercury Analyzer Mercury RA 4500 15 NIC 704 2005 01 4 Remove the four screws fixing the heater 5 Pull out the pins connected to the terminal block on the right side connect the pins of a new...

Страница 17: ...3 Replacement of components Reducing Vaporization Mercury Analyzer Mercury RA 4500 16 NIC 704 2005 01 6 Attach the heater such that the slant metal plate comes to the inside...

Страница 18: ...5 Replacement of arm 1 View before replacement Ordinarily the covers have been attached 2 Remove the hexagon socket head cap screws of the cap mounting plate 3 Disconnect the pump tube and effluent tu...

Страница 19: ...move the pump unit from the cabinet 6 When the removal is difficult disconnect the air pump and reagent pump connectors 7 Disconnect the COLOR connector 8 Remove the screws fixing the dispensing case...

Страница 20: ...the new unit has been changed from resin to brass and the vertical torque has been tripled 13 Prevent the shafts from loosening with screw locking 14 Fix the components using a ball point driver so th...

Страница 21: ...e is make a fine adjustment using foil 18 Insert foil into the front rear left and right of the screw hole 19 The cabinet of the old type has been reinforced with an aluminum frame 20 Reconnect the co...

Страница 22: ...color sensor does not turn smoothly when it is rotated rotate it counterclockwise by one turn If the trouble remains make an adjustment because the rubber clamp has shifted 24 Align the hole in the pa...

Страница 23: ...lamps Attach the movable cable such that it moves with its upper part used as a fulcrum Fix the cable in a direction where the cable is not caught by the motor or shaft at the time of vertical driving...

Страница 24: ...4500 23 31 When connecting the tubes take care not to mistake the inlet or outlet of the air pump If a mistake is made liquid will flow backward 32 Retighten the hexagon socket head cap screws of the...

Страница 25: ...reagents The reagent bottles shall have necessary quantities of the reagents Supply the reagent s Reagent filling Each reagent tube shall be filled with the reagent Check the tube connection Replace t...

Страница 26: ...tive 3 In the case of NG in 2 set the quantities of the reagents to 0 mL in the measuring condition and remeasure the solution measured in 2 OK The cause is the contamination of the sulfuric acid tin...

Страница 27: ...ghly rinse the parts with water and then perform ultrasonic cleaning with nitric acid 1 10 for at least 30 minutes 4 Rinse them well and pour distilled water on them Wipe moisture off the cap packing...

Страница 28: ...n and make a measurement using a method without pretreatment In the case of NG follow the procedure of 4 4 Clean sample containers and reprepare pretreatment reagents Carry out the ultrasonic cleaning...

Страница 29: ...is slant adjust it by loosening the screws Also adjust the direction of the dispensing cap at Reagent Side in the same procedure Bubbling occurs during the purge before a measurement There is a leak o...

Страница 30: ...nd maintenance parts Technical Center 14 8 Akaoji cho Takatsuki shi Osaka 569 1146 Japan Phone 81 72 693 6820 Fax 81 72 694 0663 For other inquiries Osaka Sales Office 14 8 Akaoji cho Takatsuki shi Os...

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