TABLE OF CONTENTS
Valor
™
7000 Series Service Manual
ii
Ohaus Corporation www.ohaus.com
CHAPTER 5 DRAWINGS AND PARTS LISTS
5-1 Valor 7000 Scale: Housing & Internal Parts .............................................................5-2
Appendix A STANDARD CALIBRATION
A.1 Calibration ............................................................................................................... A-1
A.2 Setup and Calibration .............................................................................................. A-2
Appendix B SERVICE CALIBRATION
B.1 Service Menu Structure ........................................................................................... B-1
B.2 Entering the Service Menu ...................................................................................... B-1
B.3 Capacity Menu ........................................................................................................ B-2
B.4 Graduation Menu .................................................................................................... B-2
B.5 Service Span Calibration ......................................................................................... B-2
B.6 Service Linearity Calibration .................................................................................... B-3
B.7 Ramp Menu ............................................................................................................ B-4
B.8 Expand Menu .......................................................................................................... B-4
B.9 End Menu ............................................................................................................... B-4
LIST OF TABLES
TABLE NO.
TITLE
Page No.
1-1
Specifications ......................................................................................................1-2
1-2
Controls Functions ...............................................................................................1-3
1-3
Battery Charge Status .........................................................................................1-4
1-4
Menu Structure ....................................................................................................1-5
2-1
Load Cell Resistance Readings (in Ohms) ..........................................................2-2
2-2
Color Code for Load Cell Wiring ..........................................................................2-2
2-3
Load Cell Output Readings (in mV with 3.3V Excitation) ......................................2-3
2-4
Diagnostic Guide .................................................................................................2-6
3-1
Mounting Bolt Torque Settings .............................................................................3-5
3-2
Overload Stop Gap Settings ................................................................................3-6
4-1
Test Mass Values ................................................................................................4-1
4-2
Repeatability Worksheet ......................................................................................4-4
4-3
Linearity Test Masses ..........................................................................................4-5
5-1
Housing & Internal Parts ......................................................................................5-3
LIST OF ILLUSTRATIONS
FIGURE NO.
TITLE
1-1.
Front Display with controls ...................................................................................1-3
1-2.
Back Display ........................................................................................................1-4
1-3
LFT Lock Switch and Seal ...................................................................................1-6
2-1
Main Printed Curcuit Board ..................................................................................2-3
3-1
Screws securing Top Housing .............................................................................3-2
3-2
Top and Bottom Bottom .......................................................................................3-2
3-3
Main Printed Circuit Board ...................................................................................3-3
3-4
Bolts holding Frame to the Load Cell ...................................................................3-4
3-5
Overload stops ....................................................................................................3-5
3-6
Overload Gap positions .......................................................................................3-6
3-7
Rechargeable Battery ..........................................................................................3-7
4-1
Scale drawing of Load Cell and Weighing Pan ....................................................4-6
5-1
Housing & Internal Parts ......................................................................................5-2
