TABLE OF CONTENTS
Explorer
®
Service Manual ii Ohaus Corporation www.ohaus.com
4.4.1 Precision Test 46
4.4.2 Repeatability Test (non-approved models) 47
4.4.3 Repeatability Test – Approved models 49
4.4.4 Linearity Test 49
4.4.5 Off-Center Load Test 50
5 PARTS LISTS & DIAGRAMS 52
5.1 TERMINAL SPARE PARTS 53
5.2 BASE SPARE PARTS (Non-Draftshield models) 55
5.3 BASE SPARE PARTS (Draftshield models) 57
5.4 BASE SPARE PARTS (EX12001, EX24001, EX35001) 59
5.5 DRAFTSHIELD SPARE PARTS 61
APPENDIX A - USER CALIBRATIONS 63
A.1 SPAN CALIBRATION 63
A.2 LINEARITY CALIBRATION 64
A.3 TOUCH SCREEN CALIBRATION 64
APPENDIX B - DIAGNOSTIC / SERVICE MENU 65
B.1 User Accessible Diagnostics 65
B.2 Service Sub-Menu 66
APPENDIX C – SERVICE TOOL 70
C.1 Balance Commands 71
C.2 RS232 (DB9) Pin Connections 74
C.3 USB Interface 74
APPENDIX D – FIRMWARE UPGRADE VIA USB 70