Related Manuals for OHAUS VOYAGER
Summarization of Contents
Chapter 1 Introduction
1.1 Introduction
Provides an overview of the service manual content and its scope for Ohaus balances.
1.2 Service Facilities
Details environmental conditions and guidelines for safe and effective balance servicing.
1.3 Tools and Test Equipment Required
Lists the specialized and standard tools needed for balance repair and maintenance.
1.4 Test Masses Required
Specifies the required test masses and their tolerances for calibration procedures.
1.5 Specifications
Outlines the performance parameters and specifications that balances must meet after service.
Chapter 2 Diagnosis
2.1 Troubleshooting
Guides on identifying and isolating common balance problems and issues.
2.2 Diagnostic Guide
A structured guide to help locate problems by symptom, probable cause, and remedy.
2.3 Explorer / Voyager Error Code Table
Lists and explains error codes displayed on Explorer and Voyager balance models.
2.4 Explorer Pro Error Code Table
Lists and explains error codes specific to the Explorer Pro balance model.
Chapter 3 Repair Procedures
3.1 Repair Procedures
General guidance on performing disassembly, assembly, and replacement procedures.
3.1.1 Analytical Load Cell Removal
Step-by-step instructions for removing the analytical load cell assembly.
3.1.2 Analytical Load Cell Replacement
Detailed steps for installing a new or repaired analytical load cell.
3.1.11 Monoblock Load Cell Removal
Procedure for removing the monoblock load cell from top loader balances.
3.1.12 Monoblock Load Cell Replacement
Procedure for installing a new or repaired monoblock load cell.
3.2 Replacement of Major Components
Overview of procedures for replacing key balance components.
3.2.1 Analytical Balances Main Printed Circuit Board (PCB)
Instructions for replacing the main PCB in analytical balances.
3.2.6 Removing the Display Module on Explorer Precision Top Loader Balances
Steps to remove the display module from Explorer precision top loader balances.
3.2.8 Display Printed Circuit Board
Procedure for replacing the display's printed circuit board assembly.
3.2.9 Membrane Switch Replacement
Detailed instructions for replacing the balance's membrane switch.
3.2.13 Bulb Replacement
Procedure for replacing the backlight bulb on the LCD display assembly.
Chapter 4 Testing
4.1 Testing
General guidance on performing tests to verify balance functionality and specifications.
4.1.1 Operational Test
Basic test to confirm the balance powers on and performs initial checks.
4.2 Performance Tests All Balances
Overview of the four key performance tests for balance accuracy.
4.2.1 Precision/Repeatability Test
Measures the balance's consistency in repeated weight measurements.
4.2.2 Off-Center Load Test
Checks balance accuracy when sample placement varies across the weighing pan.
4.2.3 Linearity Test
Verifies the balance's accuracy and linearity throughout its operating range.
4.2.4 RS232 Communication Test
Tests the balance's ability to communicate via the RS232 serial interface.
Chapter 5 Drawings and Parts Lists
5.1 Drawings and Parts Lists
Introduction to exploded views and parts lists for balance servicing.
5.2 Parts Lists
Lists of replaceable parts for various Ohaus Explorer, Voyager, and Explorer Pro balance models.
5.2.1 Precision Top Loader Base Parts List
Lists parts for the base assembly of Precision Top Loader balances.
5.2.2 Analytical Base Parts List
Parts list for the base assembly of Analytical balances.
5.2.3 Precision Top Loader Base Parts List
Additional parts list for the Precision Top Loader balance base assembly.
5.2.4 Analytical Load Cell Parts List
Lists components specific to the Analytical balance load cell.
5.2.5 Precision Top Loader Monoblock Load Cell Parts List
Parts list for the monoblock load cell used in Precision Top Loaders.
5.2.6 High Capacity Top Loader Balance Parts List
Parts list for the High Capacity Top Loader balance assembly (Sheet 1).
5.2.7 High Capacity Top Loader Balance Parts List
Parts list for the High Capacity Top Loader balance assembly (Sheet 2).
5.2.8 Monoblock High Capacity Top Loader Balance Parts List
Parts list for the monoblock load cell in High Capacity Top Loaders.
5.2.9 Explorer Display Parts List
Lists components for the Explorer balance display unit.
5.2.10 Explorer High Capacity Display Parts List
Parts list for the Explorer High Capacity balance display assembly.
5.2.11 Explorer Pro, Voyager Display Parts List
Parts list for Explorer Pro and Voyager balance display assemblies.
5.2.12 Voyager, Explorer Pro, High Capacity, Display Parts List
Parts list for Voyager/Explorer Pro/High Capacity display assemblies.
Appendix A Explorer EP Loader
A.1 Requirements for EP Loader
Specifies the system requirements for installing and running the EP Loader software.
A.2 Limitations
Outlines the constraints and limitations of the EP Loader software.
A.3 Installing EP Loader Software
Provides step-by-step instructions for installing the EP Loader software.
A.4 Run EP Loader Software
Instructions on how to launch and access the EP Loader application.
A.5 Setup the Balance in Manufacturing Mode
Procedure to configure the balance for manufacturing mode operations.
A.6 Connect the Balance to a PC
Steps for establishing a connection between the balance and a PC.
A.7 Personality Data Label Entry
Guide for inputting personality data from the balance label into the EP Loader.
A.8 Temperature Compensation (TC) Data Entry
Instructions for entering temperature compensation data into the EP Loader.
A.9 Downloading Personality Data and/or TC Data Into the Balance
Process for transferring personality and TC data to the balance.
A.10 Saving Personality Data and TC Data
Instructions on how to save data files from the EP Loader.
A.11 Opening Data Files
Steps for opening existing data files within the EP Loader.
A.12 Clear EP Loader
How to clear displayed data within the EP Loader interface.
A.13 Confirm TC Data Download
Procedure to verify the successful download of temperature compensation data.
Appendix B Explorer Pro EP Loader
B.1 Requirements for EP Loader
Specifies system requirements for the Explorer Pro EP Loader software.
B.2 Installing EP Loader Software
Provides instructions for installing the EP Loader software on a PC.
B.3 Run EP Loader Software
Steps to launch and operate the EP Loader software for Explorer Pro.
B.4 Setup the Balance in Manufacturing Mode
Procedure to set up the balance in manufacturing mode for data transfer.
B.5 Connect the Balance to a PC
Instructions for connecting the balance to a PC using an RS232 cable.
B.6 Temperature Compensation (TC) Data Entry
Guide for entering temperature compensation data for Explorer Pro balances.
B.7 Personality Data Label Entry
Instructions for inputting personality data from the balance label.
B.8 Downloading Personality Data and/or TC Data Into the Balance
Process for downloading personality and TC data to the balance.
B.9 Saving Personality Data and TC Data
How to save personality and TC data files from the EP Loader.
B.10 Opening Data files
Steps for opening existing data files in the EP Loader.
B.11 Clear EP Loader
How to clear data displayed in the EP Loader interface.
B.12 Confirm TC Data Download
Procedure to verify the successful download of TC data.
Appendix C Production Mode Calibration
C.1 Preparation
Steps required to prepare the balance for production mode calibration.
C.2 Manufacturing Calibration (MFg) Procedure
Detailed procedure for performing the manufacturing calibration (MFg).
C.3 Manufacturing Weight Calibration (MFgWt) Procedure
Procedure to restore internal weight calibration factors after MFg calibration.
Appendix D Replacing Bottom Display Board
D.1 Replacing the Bottom Display Board on Voyager, Explorer Pro and Voyager Pro Balances
Step-by-step instructions for replacing the bottom display board assembly.
D.2 Explorer Pro, Voyager and Voyager Pro Display Flash Instructions
Guide for loading flash bank files into the display board after replacement.
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