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Manuals
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Jouan Manuals
Laboratory Equipment
B4i
Service manual
Jouan B4i Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Chapter 1 - Introduction
Purpose
Presentation
Specifications
Dimensions and Weight
Electrical Specifications
Performance
Installation Procedure
Chapter 2 - Theory of Operation
Description
Component Lay-Out
Motor Control Principle
Introduction
The Motor
Power Control
Electronics - Structure
Introduction
Microprocessor + Power Pcb
Imbalance Sensor
Tacho Sensor
Temperature Sensor (Br4I)
Refrigeration Control Board (Br4I)
Input - Output
Chapter 3 - Diagnostics and Repairs
Introduction
Functional Test
EPROM Version
Test Mode
Fault Codes
Troubleshooting Chart
Chapter 4 - Replacement Procedures
Motor Replacement
Unrefrigerated Model (B4I)
Refrigerated Model (Br4I)
Imbalance Detector Replacement
Replacement of the Lid Lock Assembly
Lid Lock Assembly Element Replacement
Lid Lock Microswitch Replacement
Lid Lock Replacement
Lock Solenoid Microswitch Replacement
Solenoid Replacement
Power Supply Rack Replacement
Rack Replacement for the B4I
Rack Replacement for the Br4I
Refrigeration Board Replacement (Br4I)
Electronic Board Replacement
Microprocessor + Power Pcb
Display Board
Keyboard Replacement
Gas Spring Replacement
Gas Spring Replacement on the B4I
Gas Spring Replacement on the Br4I
Tacho Replacement
EPROM Replacement
Lid Replacement
Refrigeration Group Repairs (Br4I)
Refrigeration Group Replacement
Condenser Components Replacement
Motor Checking
Checking and Maintenance of the Centering Group
Chapter 5 - Checks, Adjustments, Calibration
Imbalance Adjustment
Temperature Sensor Calibration (Br4I)
Chapter 6 - Spare Parts - Diagrams
General
Motor
AUTO-LOCK System
Lock
Feeder Group
Refrigeration Group (Br4I)
Condenser Group (Br4I)
Appendix A - Recommended List of Tools
Appendix B - Electrical Diagrams
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Specifications
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Dimensions and Weight
3
Fault Codes
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CENTRIFUGE
B4i / BR4i
SERVICE MANUAL
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