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ITC HEMOCHRON Jr. Signature User Manual

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SERVICE MANUAL
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ITC HEMOCHRON Jr. Signature Specifications

General IconGeneral
BrandITC
ModelHEMOCHRON Jr. Signature
CategoryMedical Equipment
LanguageEnglish

Summary

Precautions

Replacement Parts List

Required Tools and Supplies

Troubleshooting

Diagnostic Procedures

Check Instrument Batteries and Fuses

Procedure to verify battery and fuse functionality by checking instrument startup.

Check Motors and Pumps

Procedure to test motors and pumps by observing specimen aspiration into the cuvette.

Check Switch Keypad

Procedure to test keypad switches by exercising them and monitoring the display.

Disassembly Procedures

Partially Open Instrument Cover

Steps to remove the instrument cover using a screwdriver and pivoting it open.

Release Pump Tubes

Procedure to lift the circuit board and disconnect the silicone rubber pump tubes.

Remove Battery Lead

Procedure to disconnect the battery lead connector from the circuit board.

Remove Circuit Board Connectors

Note on when circuit board connectors need removal, especially for LED harness.

Component Replacement

Examine Fuses and Battery Pack Connections

Procedure to measure fuse resistance and inspect battery connections.

Replace Battery Pack

Steps for replacing the battery pack, including disposal and charging.

Inspect Pump Assemblies

Procedure to visually inspect pump assemblies, seals, and tubes for leaks.

Replace Pump Assembly

Note about pre-tested and pre-torqued replacement pump assemblies.

Reconnect Leads to Circuit Board

Procedure to reconnect motor and battery pack connectors to the circuit board.

Replace LED Harness Assembly

Steps to disconnect, remove, and install LED Harness circuit boards and connectors.

Reassembly

Verify Mounting and Connection

Check battery, pump assemblies, brackets, and lead connections after reassembly.

Fasten Pump Tubes to Circuit Board

Position circuit board and connect pump tube fittings, ensuring they are not kinked.

Connect Battery Lead

Connect the battery lead to the circuit board, ensuring correct polarity.

Secure Top Cover

Hold top cover and instrument base together and secure with screws.

Set Time and Date

Procedure to set the instrument's time and date after battery disconnection.

System Verification

Run Electronic System Verification Test

Procedure to run internal tests using an electronic verification cartridge.

Test Whole Blood Controls

Procedure to test system performance using quality control material.

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