ii Welch Allyn Exam Light III Service Manual 488061 Rev. B
Table Of Contents
Section 1: General Information
About the Exam Light....................................................................................................... 1
Features ............................................................................................................................ 1
Agency Approvals ............................................................................................................ 1
Cautions and Warnings..................................................................................................... 2
Help Information .............................................................................................................. 3
Section 2: Incoming Inspection
Incoming Inspection......................................................................................................... 1
Required Tools ..................................................................................................................1
Section 3: Troubleshooting
Initial Screening................................................................................................................ 1
Light Pipe.......................................................................................................................... 1
Focusing Sleeve ................................................................................................................ 1
Electrical Troubleshooting ............................................................................................... 1
Section 4: Disassembly and Repair
Cover Removal.................................................................................................................. 1
EMI Shield Removal......................................................................................................... 1
Lamp Clip Removal .......................................................................................................... 1
Lamp Removal .................................................................................................................. 2
Lamp Holder Removal...................................................................................................... 2
Lamp Baffle Removal........................................................................................................ 2
Light Pipe Connector Assembly Removal ....................................................................... 3
Transformer Removal ....................................................................................................... 3
Illuminated On/Off Switch Removal............................................................................... 4
Fan Removal .....................................................................................................................4
Rectifier Board Removal................................................................................................... 5
Light Pipe Connector Assembly Dissassembly................................................................ 6
Focusing Sleeve Assembly............................................................................................... 8
Appendix A: Repair Part Numbers
Appendix B: Expoded View Drawings/Photos
Appendix C: Electrical Schematic