Welch Allyn Exam Light III Service Manual Download Page 1

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Service Manual

Exam Light III Examination Light

Welch Allyn Medical Division

4341 State Street Road

P.O. Box 220

Skaneateles Falls, NY 13153-0220

Summary of Contents for Exam Light III

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Page 3: ...D 08 12 09 D Service Manual 488061 Rev B Welch Allyn Exam Light III i Drawings and or illustrations and or part numbers contained in this document are for refer ence purposes only For current revisio...

Page 4: ...ght 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 Rem...

Page 5: ...Service Manual 488061 Rev B Welch Allyn Exam Light III iii...

Page 6: ...iv Welch Allyn Exam Light III Service Manual 488061 Rev B...

Page 7: ...usive head does not block view for task areas Light weight focusing sleeve optics are sealed for less dust Provides homogenous spot and variable spot size Easy to maintain dichronic halogen lamp provi...

Page 8: ...ing with a Welch Allyn lamp Danger Electrical shock hazard Refer servicing to qualified service per sonnel Caution Risk of explosion if used in the presence of flammable anesthet ics Hot Surface Lamp...

Page 9: ...49 7477 927186 fax 011 49 7477 927193 Welch Allyn France SARL 814 rue Charles de Gaulle 77100 Mareuil les Meaux France tel 011 33 1 6009 3366 Fax 011 33 1 6009 6797 Welch Allyn UK Ltd St Georges House...

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Page 11: ...he carton then check with your receiving department If necessary contact Welch Allyn at the Address and phone number shown in Section 1 5 Clean and disinfect by following the instructions printed in t...

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Page 13: ...the U shape at the center bend the pipe should not spring back by more than 8 to 9 inches When the light pipe is bent in a U shape at the light source bend the spring back should not be more than 4 t...

Page 14: ...oper lamp It should be 12 volt 35 watt Welch Allyn 04200 NOTE If the lamp is replaced burn the unit in for at least one hour to confirm there are not other issues B Check transformer output It should...

Page 15: ...h the cover up and for ward NOTE Take extreme care when removing the cover The tabs on the cover may break if you do not push the cover all the way up before removal 2 EMI Shield Removal Remove the 5...

Page 16: ...lch Allyn Exam Light III Service Manual 488061 Rev B 4 Lamp Removal Grasp the lamp connector and pull the lamp straight out of its holder 5 Lamp Holder Removal Remove the two nuts 6 Lamp Baffle Remova...

Page 17: ...nector assembly can only be removed from the inside of the main housing 8 Transformer Removal Remove the 4 phillips head screws NOTE Note the wire orientation and wire color on the illuminated off on...

Page 18: ...ted Switch Removal Squeeze the outer tabs on the switch and push outward NOTE Notice the orientation of the switch when properly installed 10 Fan Removal Use a 3 16 driver on the hex nut and a flat be...

Page 19: ...otice how the wires are secured to the chassis B Notice how wires are routed through the channel with rubber grommets C Notice wire ties on brown wires Note G Green Blue Brown Notice the wiring orient...

Page 20: ...assembly and Repair 6 Welch Allyn Exam Light III Service Manual 488061 Rev B 12 Light Pipe Connector Assembly Disassembly A Remove the retaining ring B Remove the square heat filter C Remove the heat...

Page 21: ...rvice Manual 488061 Rev B Welch Allyn Exam Light III 7 D Remove the two hex set screws that secure the insulator to the retaining collar E Pull the retaining collar from the insulator F Remove the bra...

Page 22: ...diameter convex shape in the middle of the lens The convex shape should be fac ing outward B Insert the front lens into the main body NOTE The front lens is the lens with the larger convex shape The c...

Page 23: ...and rear lens tabs NOTE Align one sleeve with the front and the rear lens and the other two sleeves with go on easier NOTE F Front Lens Tab Rear Lens Tab Observe how the front and the rear lens tabs...

Page 24: ...mbly NOTE There are three tabs in the rear of the rear body The rear body tabs will need to fit into the slots of the cam sleeves You may have to rotate the rear body to get the rear body tabs to fit...

Page 25: ...EUROPEAN 16 761076 4 POWER CORD DETCHBL U K 17 761076 6 POWER CORD DETACH AUSTRALIA 18 106130 2 QUICK CONNECT RECEPTACLE 19 488082 MOLEX CONNECTOR 20 48200 FIBER OPTIC LITE PIPE ASSY 21 48605 FOCUSIN...

Page 26: ...NESS LAMP REC BOARD 60 488058 LAMP HARNESS CONNECTOR 61 495073 LAMP HARNESS CONNECTOR 62 488077 LAMP CONNECTOR 63 106102 35 FHCS 4 40 X 75 NYLON BLACK 64 106109 13 NUT 4 40 SM SM HEX STEEL ZINC 65 106...

Page 27: ...Exploded View Drawings Photos Appendix B Service Manual 488061 Rev B Welch Allyn Exam Light III 1...

Page 28: ...2 Welch Allyn Exam Light III Service Manual 488061 Rev B Appendix B Exploded View Drawings Photos 57 74 Transformer Insulator...

Page 29: ...Exploded View Drawings Photos Appendix B Service Manual 488061 Rev B Welch Allyn Exam Light III 3 59 60 62 61 66 65 64 63 58...

Page 30: ...4 Welch Allyn Exam Light III Service Manual 488061 Rev B Appendix B Exploded View Drawings Photos 39 40 41 42 43 44...

Page 31: ...Exploded View Drawings Photos Appendix B Service Manual 488061 Rev B Welch Allyn Exam Light III 5 68 45 67 69...

Page 32: ...6 Welch Allyn Exam Light III Service Manual 488061 Rev B Appendix B Exploded View Drawings Photos...

Page 33: ...Exploded View Drawings Photos Appendix B Service Manual 488061 Rev B Welch Allyn Exam Light III 7 21 22 23 25 26 24 27 28 24 24 29 75...

Page 34: ...8 Welch Allyn Exam Light III Service Manual 488061 Rev B Appendix B Exploded View Drawings Photos 76 77 78 For the 48780 83 Neonate Lite Pipe...

Page 35: ...Exploded View Drawings Photos Appendix B Service Manual 488061 Rev B Welch Allyn Exam Light III 9 45 56...

Page 36: ...10 Welch Allyn Exam Light III Service Manual 488061 Rev B Appendix B Exploded View Drawings Photos 37 79 Set Screw 30 31 36 35 34 33 32...

Page 37: ...Exploded View Drawings Photos Appendix B Service Manual 488061 Rev B Welch Allyn Exam Light III 11 46 47 48 49 50 51 52 53 54 55...

Page 38: ...12 Welch Allyn Exam Light III Service Manual 488061 Rev B Appendix B Exploded View Drawings Photos 70 71 72 73...

Page 39: ...J4 RECTIFIER BD POWER SWITCH DPST IEC CONNECTOR F1 F2 FUSE LINE NEUTRAL GND FAN BLACK RED CHASSIS TRANSFORMER 12VAC BRN BLU BLU WHT RED YEL 1 2 J1 LAMP BRN BRN AC LINE 1 2 J5 GRN YEL BLK WHT BRN GRAY...

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