Subscribe to Our Youtube Channel
Related Manuals for Welch Allyn 49540
Summary of Contents for Welch Allyn 49540
- Page 1 Welch Allyn Multi Fiber Illumination Headlight System Service Manual Models: 49540,49520,49522,49524, 49526 Copyright 1997 Welch Allyn Inc. 4341 State Street Road Skaneateles Falls, NY 13153-0220 Part Number 495623 Rev A.
- Page 2 Revision (History) Page Rev. Description of Change ECN # Date Initial New Release 5-34457 1/14/97 JSJ/MD Service Manual Welch Allyn Fiber Optic Headlight System Introduction Page 2...
-
Page 3: To Service Personnel
The information in this manual is subject to change without notice and should not be construed as a commitment by Welch Allyn, Inc. Welch Allyn assumes no responsibility for any errors that may appear in this manual. If the product and/or its operation varies significantly from any... - Page 4 Recommended spare parts Appendix A 15-16 Drawings and Figures Appendix A If you have technical questions, or need other assistance, call Welch Allyn customer service personnel at 1-800-669-9771. Cleaning Warnings: DO NOT IMMERSE the Luminaire in any type of liquid. Do not spray it heavily with any type of liquid.
- Page 5 Table of Reference Drawings (Appendix A) Drawing # Description 495540 Welch Allyn Headlight Main Assembly . . . 495570 Suspension / Luminaire Assembly ..495550 Luminaire Assembly ....
- Page 6 If not, replace lens housing Asy. __Pull control sleeve from the lens housing. __Remove 'O' rings. __Unscrew the iris retaining nut using the Welch Allyn tool T-14452 or equivalent. Service Manual Welch Allyn Fiber Optic Headlight System Page 6...
- Page 7 __Unscrew the three 2-56 setscrews from the lens housing. Use a .035" hex key. __Remove: the spacer, condensing lens, spacer, and small condensing lens. Service Manual Welch Allyn Fiber Optic Headlight System Page 7...
- Page 8 T14448. __Rotate the Iris counter clockwise using T14600 until the tool contacts the opposite side of the slot. Hold 14448 steady while performing this operation. Service Manual Welch Allyn Fiber Optic Headlight System Page 8...
- Page 9 Iris; seen through the slot in the Lens Housing. __Push Control Sleeve down over the O-rings until seated; being Service Manual Welch Allyn Fiber Optic Headlight System Page 9...
- Page 10 __ Install the Top Cap Nut onto the Lens Housing and tighten with the appropriate collet or equivalent. __ Rotate the Top Cap a few turns to make sure it rotates smoothly. Service Manual Welch Allyn Fiber Optic Headlight System Page 10...
- Page 11 Section 1 Disassembly & Reassembly Abstract of disassembly and reassembly of 49540 Luminaire Suspension: The following is the process for adjusting or repairing the luminaire suspension. In most cases the end user will probably indicate that the luminaire no longer stays where it is put.
- Page 12 __Hold one end of the fiber bundle up to a light and look at the other end. Dark areas are broken fibers. The fiber optic cable will need to be replaced if the dark area covers 20% or more of the entire bundle surface. Service Manual Welch Allyn Fiber Optic Headlight System Page 12...
- Page 13 Welch Allyn tools and fixtures: T14600: Extended iris pin. T14448: Iris aperture adjustment tool. T14452: Spanner wrench for iris retainer nut. 49501 Solarc Light Source 49543 MFI Fiber Optic Cable Service Manual Welch Allyn Fiber Optic Headlight System Page 13...
-
Page 14: Troubleshooting
Friction washers in replace washers if suspension are worn out. necessary. Tighten the adjustment Headband won't keep The fit adjustment is screw on the appropriate desired fit. slipping. adjustment knob. Service Manual Welch Allyn Fiber Optic Headlight System Page 14... - Page 15 0009 495550 495902 CONDENSER LENS #2 0010 495550 495510 SPACER-IRIS 0011 495550 710114 2-56 X 1/16 LG SET SCREW 0012 495550 495515 IRIS DIAPHRAGM 0013 495550 495517-1 PIN,IRIS 0014 495550 Service Manual Welch Allyn Fiber Optic Headlight System Page 15...
- Page 16 M30397 LOCTITE 330 0023 495550 M30398 LOCTITE 738 ACTIVATOR 0024 495550 M30328 LOCTITE 262-31 0026 495550 M30373 LOCTITE 425 ASSURE THDLOCKER 0027 495550 M40156 DOW CORNING 3452 LUBE 0028 495550 Service Manual Welch Allyn Fiber Optic Headlight System Page 16...
Need help?
Do you have a question about the 49540 and is the answer not in the manual?
Questions and answers