Welch Allyn 12500 Manuale di Servizio

Traditional InstrumentsService ManualService ManualTraditional InstrumentsPN 117081-1Medical Division4341 State Street Road, P.O. Box 220Skaneateles

D 11500 and 11511 2.5 Volt Ophthalmoscope Reassembly:D7 Lens Disc Ass'y -- Place lens disc assembly onto hub (number side up) and engagein dete

TOOLS / MATERIALS / SUPPLIESTweezers (Grobet Peer #7 Stainless Steel or Equivalent)Miller Stephenson Aero-Duster #MS-222 (or Equivalent)Soldering Iro

Section 10EPISCOPEMODEL # PAGE47300 1-4

EpiscopeClean all returned Episcopes by wiping with a solution of 10%CLOROX / 90% WATER. Usespecial tools, lens cleaner, and lens tissue as listed in

47300 Disassembly Continued6. Lamp Collar — (Removal will cause damage to lamp collar. Replacewith new collar). Place a thin flat blade screwdriveri

EPISCOPETOOLS/MATERIALS/SUPPLIESBayonet Pliers ( Welch Allyn T-10802 )Strap Wrench ( Welch Allyn T-10913 )Tweezers (Stainless Steel or Plastic, Must

Inspections For Repaired Episcopes:1. Attach the Episcope to a Welch Allyn 3.5volt power source.2. Activate the scope and adjust to maximum light inte

Section 11LARYNGOSCOPE HANDLESMODEL # SUB-SECTION PAGE60200 A 160300 B 1-260305 C 2-360400 D 360700 E 3-460710 E 3-460720 E 3-460713 F 4-560803 G 5608

Laryngoscope HandlesRefer to diagrams in current Repair Parts Catalog 900299A. 60200 Disassembly:A1. Hook-on Neck — Unscrew bottom cap. Remove batteri

60300 Disassembly ContinuedB3. Bottom Cap Spring — Unscrew bottom cap. Unscrew spring.** 60300 Reassembly **B4. Bottom Cap Spring — Screw in replacem

60305 Reassembly ContinuedC6. Hook-on Neck — Assemble hook-on neck sub-assy onto handle tube andtighten. Insert set screw and tighten.C7. Batteries

E 11600 3.5 Volt Halogen Ophthalmoscope Disassembly:E1 Bumper -- Pull corner, peel back.E2 Back Cover -- Loosen retaining ring.(Doctor-Side)E3 2 Scr

** 60700, 60710, 60720 Reassembly **E5. Bottom Cap Spring — Screw in replacement spring. Assemble insulator ontop of the spring.E6. Top Cap Sleeve — A

60713 Disassembly ContinuedF4. Lamp — Remove switch plunger (resembles typical lamp hood)by unscrewing. Unscrew lamp.** 60713 Reassembly **F5. Lamp —

H. 60804 Disassembly:H1. Batteries — Unscrew bottom cap and remove 2 “AA” batteries andinner tube assembly.H2. Spring — Unscrew spring in bottom cap.H

60813, 60814 Disassembly ContinuedI4. Lamp — Remove switch plunger (resembles typical lamp hood)by unscrewing. Unscrew lamp.** 60813, 60814 Reassembl

60815 Disassembly ContinuedJ4. Lamp — Remove switch plunger (resembles typical lamp hood)by unscrewing. Unscrew lamp.** 60815 Reassembly **J5. Lamp —

Laryngoscope HandlesTOOLS/MATERIALS/SUPPLIESRetaining “O” Ring Insertion Tool (Welch Allyn T-9583)Insulator Assembly Driver (For 60400) (Welch Allyn T

Section 12ILLUMINATORMODEL # PAGE60500 1-2

ILLUMINATORSpecial Instructions: Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog.60500 Disassembly:——————————————————————————————

60500 Reassembly Continued7. Lamp — Clean the lamp and insert into the nose assembly. Assemblenose assembly to handle tube.8. Batteries — Insert 2 “

Section 13LARYNGOSCOPE BLADESMODEL # PAGE68040 1-268041 1-268042 1-268043 1-268044 1-268045 1-268060 1-268061 1-268062 1-268063 1-268064 1-268065 1-26

F 11605 3.5 Volt Halogen Ophthalmoscope Disassembly:F1 Bumper -- Pull corner, peel back.F2 Back Cover -- Loosen retaining ring.(Doctor-Side)F3 2 Sc

Instructions for Cleaning, Disinfecting and Sterilizing Laryngoscope Blades prior to Service WorkReusable Laryngoscopes (Fiber Optic and Standard)634,

COMPATIBLE NOT COMPATIBLEInspection Instructions: (After Disinfection)•Inspect for any obvious defects or missing component(s).•Temporarily install co

Disassembly/ReassemblyA Blade Disassembly:1. RemoveLight carrier Remove locking screw assembly by rotating counter clockwise.(use flat-blade screwdri

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G 11610 3.5V Halogen Coaxial Sealed Ophthalmoscope Disassembly:G1 Bumper -- Pull corner, peel back.G2 Back Cover -- Loosen retaining ring. (Doctor-Si

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Section 14BATTERY HANDLESMODEL # SUB-SECTION PAGE70000 A 170100 A 170500 A 170110 B 270150 C 270160 C 270700 D 370720 D 371000 D 371000-C D 371020-C D

BATTERY HANDLESSpecial Instructions: Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog 900299.Battery Handles- 70000, 70100, 70110,

B. 70100, 70110 Disassembly:B1. Batteries — Unscrew bottom cap assembly. Remove rechargeablebattery.B2. Pocket Clip — Unscrew lock nut. ( Use spanner

D. 70700, ( 70720 IEC ) 2.5V Rechargeable Handle Disassembly:71000, 71000-C, 3.5V Rechargeable Handle Disassembly:71020-IEC, 71020-C 3.5V Rechargeable

H 11620 3.5V Halogen Coaxial Sealed Ophthalmoscope Disassembly:H1 Bumper -- Pull corner, peel back.H2 Back Cover -- Loosen retaining ring. (Doctor-S

E. 71500 2.5V, 71670 3.5V Rechargeable Handle Disassembly:E1. Battery — Unscrew bottom cap assembly. Remove rechargeablebattery.E2. Top Cap Assembly —

E5. a)Bottom Cap Insulator __ Screw bottom cap insulator into bottom cap. Insertcontact plunger, contact spring, button contact. Screwhollow screw

F. 72801 2.5V Pocket Set Handle Disassembly:F1. Battery — Unscrew bottom cap assembly. Remove rechargeablebattery or 2 ‘AA' batteries.** 72801 Re

Section 15LIGHT HANDLESMODEL # SUB-SECTION PAGE73200 A 173210 B 273305 B 278000 C 2

LIGHT HANDLESSpecial Instructions: Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog PN 900299.Light Handles - 73200, 73210 With 73

B. 73210 Light Handle, 73305 Transformer Disassembly:B1. Halogen Lamp — Unplug transformer from power source. Unplug lighthandle cord from transforme

LIGHT HANDLESTOOLS/MATERIALS/SUPPLIESPin Vise “C” Size ( L.S.Starrett Co.166C ) for Drills/TapsTweezers (Stainless Steel) Offset 4 1/4" Long (Mo

Section16PEN LIGHTSPOCKET LIGHTSMODEL # SUB-SECTION PAGE76000 A 1-276600 B 2-377700 C 3-477800 D 5-677900 E 6-8

PEN LIGHTSPOCKET LIGHTSSPECIAL INSTRUCTIONS:Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog PN 900299. Theterms switch assembly,

76000 Reassembly ContinuedInsert into head: plunger spring, cup retainer with raisedring facing plunger spring just inserted. Assemble longcup retaine

I 11630 3.5 Volt Halogen Coaxial™ Ophthalmoscope(With Multiplier) Disassembly:I-1 Bumper -- Pull corner, peel back.I-2 Back Cover -- Loosen retaini

** 76600 Reassembly **B3. Batteries — Insert 2 “AAA” batteries into the switch/tube assembly.(+ End facing lamp end).B4. Lamp — Screw new lamp onto sw

77700 Reassembly ContinuedInstall replacement detent spring onto contact screwand insert in switch housing (with the open end of thespring located ov

D. 77800 Pocketlight Disassembly:D1. Batteries — Unscrew focusing adaptor assembly. Remove 2 “AA”alkaline batteries.D2. Lamp — Lift lamp out of foc

77800 Reassembly ContinuuedAssemble the switch assembly by lowering it downover the retaining nut. Secure by screwing retainingnut up into the switc

77900 Disassembly ContinuedE4. Plunger Release — Remove: retaining nut, cup contact-longs, contactspring, cup contact-short, sleeve. Clamp cap in s

77900 Reassembly ContinuedE7. Lamp — Clean the lamp and screw it into the nose. Slide thelamp hood over the lamp. It must fit tightly to preventit

TOOLS/MATERIALS/SUPPLIESTweezers (Stainless Steel or Plastic, Must Be Non-Magnetic, Grobet Peer # 7 )12"X 12" (Approximately) Foam Pad (Mous

1B. I. O. Model 12000Section 17Binocular Indirect OphthalmoscopeModel# Model Name Section Page12000 B.I.O. 1 3-774101 Battery Pack 2 874141 B.I.O. Wal

2Special Instructions for B.I.O. ServiceClean all returned items by wiping with a solution of 10% Clorox/90% water. Do not use alcoholor other chem

3Disassembly of Model 12000 B.I.O.Refer to Figure 120103 in Repair Parts CatalogAbbreviations used in text and parts list:nnnnnCMCentral MirrornnnnnEM

I 11630 Ophthalmoscope Reassembly ContinuedI-11 Cover -- Place cover/disc assembly onto patient-side cover/optical(Doctor-Side) tube base assembly. T

41.3 Illumination System Place BIO in fixture T-12198 to ease further(IS) Sub-Assembly disassembly.Remove the two central screws that were loosenedin

5Reassembly of Model 12000Refer to Figure 120103 in Repair Parts CatalogImportant: Check alignment prior to reassembly of whole unit.1.8 Illumination

6Reassembly of Model 12000 cont’d1.9 Optics Carrier Place optics carrier (ears up), over lens of aperture spacerIS lenses and assembly (lower lens.)c

7End Reassembly1.12VS Housing cont’dnnnnn Note: Lower two screw heads must not interfer with slider motion.Insert the tabs of new CMH button in CM s

8Model 74201 Battery PackEnd Disassembly of 74201 Battery PackEnd of Reassembly of 74201 Battery PackReassembly2.1 Back Case Unscrew and remove two sc

9Model 74241 Wall Bracket Disassembly3.1 Back Cover Remove two screws at back of wall bracket.Pull back cover off at the screw end. It will hinge at

103.6 Back Cover Engage tabs and back cover into slots of case.Close back cover onto case.Operate black actuator to assure that it is operating micro

11Required Tools for BIOGeneral purpose tools:3/32” hex keyPeer #7 tweezers#2 phillips screwdriver (Cresent #2501)Long nose pliers (Xcelite 91 cg)Welc

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J 11650 Ophthalmoscope Reassembly ContinuedJ11 Lens Disc Assy. -- Clean disc. Place disc on hub.(Number side down, engaged with detent)J12 Cover -- P

1Section 18Welch Allyn B.I.O 2 Model 12500Binocular Indirect OphthalmoscopeIndexModel# Model Name Section Page12500 B.I.O. 2 1 2 - 874201 B.I.

2Special Instructions for B.I.O. 2 ServiceClean all returned items by wiping with a solution of10% Clorox / 90% water. Do not use alcoholor other

3Abbreviations used in text:•BISB.I.O. 2 subassembly without headband•CMCentral mirror•EMEye mirror•CMHCentral mirror holder•IMIllumination mirror•VSV

41.3IS Ass’y Place B.I.O. 2 in nest fixture T-12198.Remove the two central chassis screws loosened in step1.2.Separate the IS assembly from the VS ass

5Abbreviations used in text:•BISB.I.O. 2 subassembly without headband•CMCentral mirror•EMEye mirror•CMHCentral mirror holder•INIllumination mirror•VSV

61.8 Illumination System Bracket IS Lenses Cont’dNote: use plastic tweezers to hold lenses and wide band hot mirrorPlace IM yoke and mirror asse

71.11 Heat Sink Lamp Holder Place contact holder onto lamp socket of the heat sinklamp holder.Lower this assembly onto the optics carrier.Pick up t

81.14 Lamp Cover Assembly Inspect that the lamp is fully into lamp housing.Slide the lamp cover down into the assembly.Installation of:1.15 Head Band

9Disassembly of Model 74201 Battery Pack (B.I.O. 2)2.1 Back case Unscrew and remove two screws from back of batterypack .Carefully separate back

10Disassembly of model 74241 Wall Bracket (B.I.O. 2)3.1 Back cover Remove two screws at back of wall bracket.Pull back cover off at the screw end. It

K 11660 3.5 Volt Halogen Coaxial™ Autostep Sealed Ophthalmoscope with Multiplier:Disassembly and reassembly for the 11660 are the same as for the

11Reassembly cont’d3.6 Back cover Engage tabs of back cover into slots of case.Close back cover onto case.Operate black actuator to assure that it is

12Required Tools for B.I.O.2 ServiceGeneral purpose tools:3/32" hex keyPeer #7 tweezers#2 phillips screwdriver (Crescent #2501)Long nose pliers (

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1CompacSet Components:21110 2.5 Volt Otoscope12810 2.5 Volt Ophthalmoscope74001 CompacSet, Handle OnlyRefer to corresponding diagrams in Welch

2The CompacSet requires either two AA Alkaline batteries or the Welch Allyn rechargeablebattery PN 72610.Remove battery cover and replace batteries

36. Lens -- Clean lens and slide lens into Otoscope Body Assembly.7. Lamp Collar -- Insert replacement lamp collar into Otoscope IlluminatorAssembly

4Special Instructions:Clean all returned Ophthalmoscopes by wiping with a solution of 10% Clorox / 90%Water.Do not apply alcohol, chemicals or water t

5D. 12810 2.5 Volt Ophthalmosccope Disassembly, cont’d5. Ophthalmoscope -- Remove N.D. (Number Dial) filter assembly. (On newerBody Assembly models

61. Operate all slide switches, rotating knobs and discs to determine whether or not detentsare operating correctly and to determine if the part opera

M 11720 3.5 Volt Coaxial Sealed Ophthalmoscope Disassembly:M1 Bumper -- Pull corner, peel back.M2 Back Cover -- Loosen retaining ring. (Doctor-side)M

75. Check windows for cracks, streaks, spots or anything that would obscure the viewedimage.6. Check for any stray light that interferes with looking

8Strap Wrench (T-10913)Apex Torx Bit: Tx 05Hex Key: .035”Pin Vises “C” Size (L.S. Starrett Co. 166c) for Hex KeysTweezers (Grobert Peer #7 St

1Compact Ophthalmic Set Components:13010 2.5 Volt Pocketscope Ophthalmoscope16201 Pocketscope Retinoscope42010 & 42011 Transilluminator740

2C1. Retinoscope Body -- Unscrew retinoscope body from handle.Hold knurled ring with thumb of one hand.Unscrew retinoscope with other hand. (It is no

3Position tape over outside of patient side cover over area that window will seat in.Press the tape down securely. Remove center portionwindow seal

4D1. Lamp-- Unscrew pocketscope ophthalmoscope from handle.Use tweezers to pull lamp from bottom of ophthalmoscopeoptical tube base.D2. Bumper-- Use

5D6. Aperture Sub Assy-- Blow off second skid plate.(cont’d) Position it with the ‘ridge’ side downPlace it on top of the dialLift the assembly from t

6D12. Lens Disc-- Inspect lens disc for dirt/scratches. Remove dust with blowoff gun.Apply Moly33 greaseM11041 sparingly, in thinuniform coat to hub

71. Operate all slide switches, rotating knobs and discs to determine whether or notdetents are operating correctly and to determine if the part opera

81. Remove lamp collar--remove lamp from base. Remove the lamp collar from the baseof the Transilluminator. Use tweezers.2. Replace lamp collar-positi

Traditional Instruments Service Manual PN 117081-1Drawings and/or illustrations and/or part numbers contained in this document are for referencepurpos

M 11720 Reassembly ContinuedM12 Lens Disc Assy. -- Clean disc. Place disc on hub.(Number side down, engaged with detent)M13 Cover -- Place cover ont

9Apex torx bit TX-05Hex keys: .035"Pin vises “C” size ( L.S.Starrett co.166c ) for hex keysTweezers ( grobet peer #7 stainless steel )Jewelers

1767 Wall TransformerService Manual3.5 Volt Wall Transformer Disassembly:Models 76710, 76712, 76714, 76716, 76720, 76722, 76724, 76726, 76730Refer to

2A. Power Cord ReplacementAbstract:IEC connector accepts new plug. No disassembly. Unplug power cord from bottom ofWall Transformer unit. Refer t

3Figure 1 - 767 Wiring PC Board Revision AFigure 1 - 767 Wiring PC Board - 767207 Rev. B

4NOTE:Lay the wires of the right handle assembly underneath the right heatsink. Inspect the wires as they exit from the molex connector to seeif one

53. Remove Circuit BoardLay the 767 on its back. Remove six 6-32 x 3/4” phillipshead screws and attached plastic washers. Lift board up.(The mountin

6D. Fuse ReplacementAbstract:Fuses are easily changed by removing the MH-Front and locating the blown fuse on thecircuit board. Inspect for other dam

7Dirt and or other foreign matter, might beome lodged in the emitter/detector ‘windows’ in the cradle. This could prevent the handle frombecoming ac

8Figure 2, Cradle Removal

9F. Illuminated Switch ReplacementAbstract:The MH-Front is removed and the old switch is unlatched and pulled out. The four wiresare disconnected one

N 11730 3.5 Volt Coaxial Autostep Sealed Ophthalmoscope (With Multiplier) Disassembly:N1 Bumper -- Pull corner, peel back.N2 Back Cover -- Loosen ret

103. Replace Clock Module in Face-PlatePosition buttons on module with holes in face-plate. Alignclock module with opening in face-plate. Attach th

113. Plug in the HandleNote the colors of the wires on the plug of the new handleassembly. Match the colors of the wires with the color codingprint

12Third Handle Checks1. Use main unit as a power supply for these checks. Provide nominal voltage (7.0 V RMS)to third handle assembly.2. Handle outp

13AppendixInspections/Tests for Repaired 767 TransformersMain Unit and Third HandleIMPORTANT: When any primary component is replaced, perform the lea

14Third Handle Checks1. Use main unit as a power supply for these checks. Provide nominal voltage (7.0 V RMS)to third handle assembly.2. Handle outpu

15AppendixTools/Materials/SuppliesFlat Blade Screwdriver (1/4”) with 6” Shank(Stanley 65-322)#1 Phillips Screwdriver#2 Phillips Screwdriver with 6” Sh

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N 11730 Reassembly ContinuedN11 Spring Detent -- Place plastic spring detent into position below bumper cut-outof doctor-side cover, smooth side up, d

O12810, 12813, 12814, 12830 2.5 Volt Pocket Scope Ophthalmoscope Disassembly:SPECIAL NOTE: The12810, 12813, 12814, and 12830 Ophthalmoscopes are simi

O 12810, 12813, 12814, 12830 2.5 Volt Pocket Scope Ophthalmoscope Disassembly Cont'dO7 Cover Assembly -- Place lever into position in the ( - )

APPENDIX 1TOOLS/MATERIALS/SUPPLIESOPHTHALMOSCOPE: 11110, 11400, 11411, 11470, 11475, 11500, 11511, 11600, 11605,11610, 11620, 11630, 11650, 11660, 117

APPENDIX 2Inspections for Repaired Ophthalmoscopes:1. Operate all slide switches.2. Rotate knobs and discs to determine whether or not detents are ope

APPENDIX 3Checklist for:Final Inspection of OphthalmoscopesOphthalmoscope Checklist: Ref#: Model:1. [] Bumper in place A02387 (V1)* all2. [] Retaining

APPENDIX 4Troubleshooting OphthalmoscopesModel #'s: 11400,11411, 11610, 11620,11630, 11650,11660ProblemDirty OpticsCause Corrective ActionNormal

APPENDIX 4 continued...Troubleshooting OphthalmoscopesMODEL #:11400,11411,11610 11620,11630,11650,11660ProblemNumbers not readable onens assembly.No

TABLE OF CONTENTSSection 1 ... OphthalmoscopeSection 2 ...

APPENDIX 4 continued. . . .Troubleshooting OphthalmoscopesMODEL #: 12810 (PocketScope)ProblemMirror unglued, broken ,scratchedCauseMirror adheres to R

Section 2STRABISMOSCOPEMODEL # PAGE12400 1-6

STRABISMOSCOPE12401 3.5V Strabismoscope (OCCLUDER) Disassembly:1. Lamp — Pull lamp from base. (Use tweezers)2. Beam Splitter —Loosen retaining ring al

12401 Reassembly Continued...5. Beam Splitter Reassembly cont'd Determine which side of beam splitter is coated byplacing a pencil point onto

12401 Reassembly Continued...5. Beam Splitter Reassembly ContinuedFIG. 5Assemble both cover halves together by first engagingthe latch at the top

STRABISMOSCOPETOOLS/MATERIALS/SUPPLIESBayonet Pliers Welch Allyn T-10802Only one of the next two T-tools is required:Rubber Jaw Ring Pliers Welch Ally

Inspections For Repaired Strabismoscopes:1. Check locking ring for tightness.2. Check to see that instrument fits on handle before repairing. Base r

STRABISMOSCOPE TROUBLESHOOTINGMODEL #: 12401Problem Cause Corrective Action1 Broken beam splitter (Mirror)1 Dropped1 Replace beam splitter.IIIIIIIApar

Section 3RETINOSCOPESMODEL # SUB-SECTION PAGE18201 A 1-217201 B 218100 C 3-417710 D 4-517610 F 618000 F 618010 E 617600 G 7-817700 H 8-9

RETINOSCOPESRetinoscope Disassembly:A. 18201 3.5 Volt Retinoscope Disassembly:A1. Lamp — Pull lamp from bottom. (Use tweezers).A2. Bumper — Pull cor

Section 1OPHTHALMOSCOPESMODEL # SUB-SECTION PAGE11110 A 1-2,11400, 11411 B 311470, 11475, C 411500, 11511 D 5-611600 E 711605 F 811610 G 911620 H 1011

18201 Retinoscope Reassembly ContinuedA9. Doctor-side Cover __ Install doctor-side window and window retainer. Join doctorside and patient side assem

C. 18100 3.5. Volt Halogen Streak Retinoscope Disassembly:C1. Lamp Carrier — Pull lamp carrier from bottom. (Use needle-nose pliers).Inspect small sp

18100 Retinoscope Reassembly ContinuedC12. Lamp Carrier — Position lamp carrier into control sleeve with very lightpressure and slight rotation to ali

17710 Retinoscope Reassembly ContinuedD8. Head Assembly — Screw sleeve assembly into collar of head assembly. (Usestrap wrench to tighten). Align as p

E. 18010 3.5. Volt Halogen Spot Retinoscope Disassembly:E1. Lamp — Pull 3.5 v. Lamp from base. (Use needle nose pliers).E2. Bumper — Pull corner, pe

G. 17600 Spot Retinoscope Disassembly:G1. Lamp Carrier — Unscrew light carrier from body subassembly.G2. Lamp — Remove diaphragm assembly. Unscrew la

17600 Reassembly ContinuedG14. Lamp Carrier — Screw light carrier to body subassembly.Test.End 17600 Reassembly—————————————————————————————————H. 17

17700 Reassembly ContinuedH11. Bumper — Position bumper over top of cover and attach cover to bodysub-assembly with 3 screws (2 short screws at top).

APPENDIXRETINOSCOPES TOOLS/MATERIALS/SUPPLIESNeedle Nose Pliers.028 Hex KeyTorx .05 ScrewdriverStrap Wrench Welch Allyn T-10913Slide Switch Holding

Inspections For Repaired Retinoscopes1. Check streak focus and out of focus uniformity.2. Check polarizer switch for positive detent and smooth opera

OPHTHALMOSCOPESSpecial Instructions Ophthalmoscope Service:Clean all returned ophthalmoscopes by wiping with a solution of 10% Clorox / 90% water.Do n

TROUBLESHOOTING RETINOSCOPESInstrument: Retinoscopes (Streak)Model #: 18100Problem Cause Corrective ActionControl sleeve operation difficult Light car

TROUBLESHOOTING RETINOSCOPESInstrument: RetinoscopesModel #: 18200 streak and 18300 spotProblemFilm on window (difficult to seeimage)Not focusing prop

Section 4OTOSCOPESMODEL # SUB-SECTION PAGE20000 A 123520 A 124020 B 223510 B 223570 B 224033 B 224031 B 225020 B 221110 C 2-321130 D 320100 E 4-620150

OTOSCOPESSPECIAL INSTRUCTIONS: Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog PN 900299. Clean allreturned scopes by wiping with

B. 24020 (24033 without Speculum) 2.5V Ototscope Disassembly:24033 (24031 without Speculum) 2.5V Otoscope Disassembly:25020 (25022 without Speculum

C. 21110 Otoscope Disassembly ContinuedC9. Otoscope — Screw illuminator assembly onto battery handle.IlluminatorAssemblyC10. Otoscope Body — Screw ot

E. 20100 (20101without Speculum) 2.5V Otoscope Disassembly:20150 2.5V OotoscopeDisassembly:(Above otoscopes are WIRED and not fiber-optic.)E1. Lamp —

20100, 20150 Otoscope Reassembly ContinuedFIG. 1 FIG. 2 FIG. 3E6. Bayonet Assembly __ Insert wire through the bayonet assy. Fill with medic

20100, 20150 Otoscope Reassembly ContinuedE8. Lens — Install lens in window assembly and secure with lens retainer.Screw and tighten lens retainer wit

G. 20202 (20203 without Speculum) 3.5V Otoscope Disassembly:20262 (20263 without Speculum) 3.5V Otoscope Disassembly:G1. Lamp — Pull lamp out of b

A. 11110 2.5 V Halogen Lite Set™ Ophthalmoscope Cont'd:A5 Ophthalmoscope -- Remove: Horseshoe (PN111026)Body Assembly Numeral IlluminatorApertu

20202, 20262 Reassembly ContinuedG11. Double Viewer — Install new ‘o’ ring on body & light pipe assembly. AttachAssembly double viewer subassemb

**** 21600 Reassembly ****H6. Contact Assembly — See FIG. 5. Position the wire downwards relative to thereplacement contact assembly. Insert the wi

21600 Reassembly ContinuedFIG. 7H9. Lock Nut — Place lock nut over body assembly stem. Insert speculum holderinto stem of body assembly in ‘up’ positi

I. 21700 (21701) 3.5V Otoscope:I1. Lamp — Pull lamp out of base.I2. Lens Holder — Unscrew lens holder screw. Remove lens holder spring washer,Assembly

APPENDIXTOOLS/MATERIALS/SUPPLIESOTOSCOPEBayonet Pliers (Welch Allyn T-10802)Lens Window Wrench (Welch Allyn T-847)Strap Wrench (Welch Allyn T-10913)Fl

APPENDIXInspections for Repaired Otoscopes:1. Check fit of disposable and re-useable speculums.2. Check to see that instrument fits on handle before r

TROUBLESHOOTING OTOSCOPESInstrument: OtoscopeModel #: 20000, 24020, 25020, (21110, 21130 Pocket)ProblemLow or no lightShadowsNot air tightBody apartS

-TROUBLESHOOTING OTOSCOPESInstrument: Otoscope (Pneumatic)Model #: 20100 (2.5 Volt), 20200 (3.5 Volt)Problem CauseCorrective ActionNo light Blown lamp

TROUBLESHOOTING OTOSCOPESInstrument: OtoscopeModel #: 21600, 217OOProblem Cause Corrective ActionLow or no light Blown lamp Replace lampLight flicker

Otoscope Pressure Testing form A02800Otoscope Pneumatic Test (Using Fixture T7503)- Connect specula tip to otoscope.- Connect surgical tubing to ins

B 11400 and 11411 2.5 Volt Ophthalmoscope Disassembly:B1 Bumper -- Pull corner, peel back.B2 Back Cover -- Loosen and remove retaining ring.(Doctor

Otoscope Pressure Testing from A00181Equipment:1. Low volume air pump (Aquarium style or equal)2. Bleeder valve3. Flow control4. ”U” tube 12" min

Section 5ILLUMINATED BIVALVE NASAL SPECULUMMODEL # PAGE26000 1-3

Illuminated BiValve Nasal SpeculumSpecial Instructions:Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog 900299. Clean allreturne

26000 Reassembly Continued...6. Bayonet Assembly — Insert wire through the bayonet assembly. Screw the bayonetassembly into the base while carefull

APPENDIXTOOLS/MATERIALS/SUPPLIESNasal Specs 26000Bayonet Pliers (Welch Allyn T-10802)Needle Point AwlFlat Blade Screwdriver ie. Xcelite # P-181Needl

Section 6LARYNX ILLUMINATORNASOPHARYNX ILLUMINATORMODEL # PAGE27000 1-227050 1-227200 1-227250 1-2

IlluminatorSpecial Instructions:Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog 900299. Clean allreturned instruments by wiping wi

TOOLSTweezers ( Grobet Peer #7 )TROUBLESHOOTING ILLUMINATORSInstrument: Larynx IlluminatorModel #:27000,27200Nasopharynx27050,27250ProblemBroken, bent

Section 7TONGUE DEPRESSORMODEL # SUB-SECTION PAGE28000 A 1-228100 B 2-3

C 11470 and 11475 2.5 Volt Ophthalmoscope Disassembly:C1 Bumper -- Pull corner, peel back.C2 Back Cover -- Loosen and remove retaining ring.(Doctor

TONGUE DEPRESSORSpecial Instructions: Refer to corresponding diagrams in Welch Allyn Repair Parts Catalog 900299. Clean allreturned instruments by w

28000 Reassembly ContinuedA6. Pipe Assembly — Position the pipe assembly up to the back of the chromebarrel and secure it by tightening the retaining

**** 28100 Reassembly ****B5. Contact Assembly __ Assemble rubber tube onto wire of contact assembly andinsert contact assembly into retaining screw.I

Tongue DepressorsAPPENDIXTOOLS/MATERIALS/SUPPLIESBayonet Pliers T-10802Ring Nut Wrench For 28000. (Single’TEE’ “Wiring Tool” Drawing #23500877) T-1128

Section 8PROCTO-SIGMOIDOSCOPES:FIBER OPTIC ANOSCOPESPROCTO-SIGMOIDOSCOPESFIBER OPTIC LIGHT HEADSTANDARD ANOSCOPESROTATING ANOSCOPESMODEL # SUB-SECTION

Fiber Optic AnoscopesProcto-SigmoidoscopesFiber Optic Light HeadStandard AnoscopesRotating AnoscopeSpecial Instructions: Refer to diagrams in Welch Al

B. 36019 Fiber Optic Light Head Disassembly:B1. Window Assembly — Remove spirol pin. Collect 2 plungers and 2 plungersprings as you slowly remove wind

D. 38108, 38114, 38119, 38122 Standard Anoscopes Disassembly:D1. Obturator Assembly — Pull obturator out of funnel assembly reassembly.D2. Obturator A

38800 Rotating Anoscope Reassembly ContinuedE8. Contact Assembly __ Put contact assembly wire through contact assemblyspring (PN 383065) and position

Procto Sigmoidoscopes/AnoscopesAPPENDIXTOOLS/MATERIALS/SUPPLIESWindow Screw Wrench Large (Undercut) ( Welch Allyn T-5320 )Window Screw Wrench Small (U

D 11500 and 11511 2.5 Volt Ophthalmoscope Disassembly:D1 Rubber Hood -- Pull corner, lift up.D2 Light Carrier -- Pry/pull out light carrier assembly

TROUBLESHOOTING PROCTO SIGMOIDOSCOPES/ANOSCOPEInstrument: Rotating Anoscope With 38300 Light CarrierModel #: 38800Problem Cause Corrective ActionRing

Section 9HEADLIGHTSAND TRANSFORMERMODEL # SUB-SECTION PAGE46003 A 1-246023 A 1-246050 A 1-249003 B 3-449022 B 3-449030 B 3-449034 B 3-449035 B 3-44903

Headlightsand TransformerThe terms POWER SUPPLY, TRANSFORMER, and AC ADAPTOR, are used interchangeably.Special Instructions:Clean returned headlights

A. Direct Focusing Headlight NOS: 46003 (120Volt), 46023 (220Volt), 46050 (250Volt)Disassembly Continued:A4. Male Switch — Un-solder two wires from b

Halogen Headlight: 49003 (110-130V) & 790030-501*Power Supply49022 (220-250V) & 790030-502 Power Supply49030 & 470305 IEC AC Adaptor*4903

B. Halogen Headlight/IEC AC adaptors: 49003, 49034, 49035, 49036Disassembly: (Transformers for the 490 series are serviceable items, refer to Section

790030-501 (110-130Volt) & 790030-502 (220-250Volt) Power Supplies for 49003 & 49022Headlight RespectivelyC DisassemblyC1. Rocker Switch — Di

790030-501 (110-130Volt) & 790030-502 (220-250Volt) Power Supplies for 49003 & 49022Headlight respectivelyC Disassembly ContinuedC3. Transfor

470305, 470225, 470245, 470285 IEC AC ADAPTORS for 49030, 49034, 49035, 49036Headlights respectivelyD DisassemblyD1. Rocker Switch — Disconnect IEC AC

470305, 470225, 470245, 470285 IEC AC Adaptors for 49030, 49034, 49035, 49036Headlights respectivelyD Disassembly ContinuedD5. Female Switch — Unsc