Welch Allyn VideoPath VS-100 Service Manual

Sigmoidoscopes

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Page 1 Endo Menu Operator Manual VS100 Operator Manual VS200 ®...
Page 2 Service Manual VS-100/VS-200 VideoPath Sigmoidoscopes 4341 State Street Road P.O. Box 220 Welch Allyn, Inc. Skaneateles Falls, NY 13153-0220 Copyright 2000 Service Manual 305034 Rev. A i VS100 VS200...
Page 3 VS100 VS200 ii Service Manual 305034 Rev. A...
Page 4 Drawings and/or illustrations and/or part numbers contained in this document are for reference purposes only. For current revisions call Welch Allyn customer service. Service Manual 305034 Rev. A iii VS100 VS200...
Page 5: Table Of Contents
Contents Section 1: General Information About the VS-100/VS-200 Video Sigmoidoscopes ..................... 1 Servicing VS-100 and VS-200 Video Scopes ...................... 1 Help Information ..............................2 Recommended Initial Settings for Monitor ......................3 Safety Warnings and Service Notes ........................4 Flexible Endoscope Specifications ........................5 Section 2: Service Safety ................................
Page 6: Section 1 General Information
(M-items or special materials approved for use by Welch Allyn). Simple articulation adjustments and inspections can be performed by technicians outside of the factory only if they...
Page 7: Help Information
Section 1 General Information The Welch Allyn Video Path Sigmoidoscopes and the VLX- 10 Light Sources are sophisticated electronic/ electro- Help Information mechanical devices. To assure the continued performance of these instruments it is absolutely essential that any and all...
Page 8: Recommended Initial Settings For Monitor
Section 1 General Information Video Monitor Default Settings: The Sony PVM-1350 Video Monitor should be adjusted Recommended according to the instructions in the Sony PVM-1350 Owners Manual. The Default Settings for the monitor are explained Initial Settings for below. Monitor See page 5 of Sony PVM-1350 Operating Instructions for details.
Page 9: Safety Warnings And Service Notes
Section 1 General Information Please read and understand the Cleaning and Disinfection Safety Warnings and instructions in the Operating Manuals for the Video Service Notes Sigmoidoscopes. Completely clean and disinfect the instrument prior to any service work, adjustments or inspections. Safety Warning: Improper cleaning and preparation of any sigmoidoscope can present a biological hazard to the service...
Page 10: Flexible Endoscope Specifications
Bending/Angle Sections: Flourine Rubber Specifications: For physical specifications for new scopes refer to owners manuals PN 305199 and PN 310199. For repair specifications refer to A04049. Call Welch Allyn for latest revision. VS100 VS200 Service Manual 305034 Rev. A 5...
Page 11: Section 2 Service
PMA approval process. Only reprocessing solutions/systems satisfying the above conditions and tested and found to be compatible by Welch Allyn should be used with Welch Allyn products. *Liquid chemical germicides (disinfectants/sterilants) to reprocess medical devices come under FDA regulation...
Page 12: Intent Of Service Manual And Repair Constraints
Contact Welch Allyn for information concerning specialized repair training, repair parts, custom t o o l i n g , s p e c i a l m a t e r i a l s , r e p a i r p a r t s , a n d...
Page 13 Section 2 Service CAUTION: Before inspecting or servicing Special Procedure scopes it is necessary to either for Scopes with thoroughly clean and disinfect Leaks them or clean and sterilize them according to the instructions in the Owner’s Manual. When the scope has a leak, cleaning can performed if the scope can be pressurized to approximately 2 to...
Page 14: Inspection Form
Service Tooling and Special service tools (T-tools) required for full service are listed on the next page. These are custom made by Equipment by Welch Allyn. Special video adjusting instrumentation Requirements is not available. Common tools required for service: Electronic technicians tool set including diagonal wire...
Page 15: Special Service Tools
Section 2 Service Special Service Tools e i l l l u l l o c i l / r i l l a VS100 VS200 Service Manual 305034 Rev. A 5...
Page 16 Section 2 Service Special Service Tools e i l ) r i ) r i e i l e i l l l a e i l c i l c i l 6 Service Manual 305034 Rev. A VS100 VS200...
Page 17 Section 2 Service VS100 VS200 Service Manual 305034 Rev. A 7...
Page 18 Section 2 Service 8 Service Manual 305034 Rev. A VS100 VS200...
Page 19 Section 2 Service VS100 VS200 Service Manual 305034 Rev. A 9...
Page 20: Section 3 Troubleshooting
Section 3 Troubleshooting Solution Chief Complaint Possible Cause A) Distal objective lens A) Rinse lens by injecting water through auxiliary water inlet. Image is not clear obscured. B) Remove endoscope and clean distal objective lens with cotton swab and alcohol. Polish lens with a soft cloth. Use a B) Camera lens is dirty.
Page 21 Section 3 Troubleshooting Solution Chief Complaint Possible Cause A) Remove valve, clean valve and housing with a cleaning No or Low Suction A) Suction valve blocked. brush. Lubricate "O" rings with valve lubricant and replace. Check for debris in bottom of suction valve body. B) Biopsy seal is worn.
Page 22 Section 3 Troubleshooting Solution Possible Cause Chief Complaint Scope A Listen for broken cable scrathing inside of insertion does not articulate in one or A) Broken Cable is an indicator of broken wire. more directions I’ A) Free Play excessive due Articulation does not to stretched cables or A) Adjust free play.
Page 23 Section 3 Troubleshooting VS100 VS200 4 Service Manual 305034 Rev. A...
Page 24 Section 3 Troubleshooting Troubleshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 Problem Resolution Chart FlowChart Air Flow Check Flows at No Air Flow Distal End Go To Check Valve FlowChart O-Rings, Defective Replace O-Rings on Air Water...
Page 25 Section 3 Troubleshooting Troublshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 Problem Resolution Chart FlowChart Air Flow Check Air flow at Top of Has Flow No Flow AirWater Valve Clean Scope with Enzymatic Solution Check...
Page 26 Section 3 Troubleshooting Troubleshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 FlowChart Water Problem Resolution Chart Flow Water Pooling Under Water Coming out Top of Low / No Flow Light Source Green Air/Water Valve No Air Flow...
Page 27 Section 3 Troubleshooting Troublshooting Flowcharts for Customer Service No / Low VideoPath VS-100 / 200 & VLX-10 / -20 FlowChart Problem Resolution Chart Suction Flow Check Suction Pump Not OK Operation Check O-Rings On Suction Valve Clean Suction Channel Customer Needs To...
Page 28 Section 3 Troubleshooting Troubleshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 FlowChart Problem Resolution Chart Steering VS-100 VS-200 Type Tight See Warnings in Steering Operations Manual(s) Review VS-200 Brake Operation Service Manual 305034 Rev. A 9...
Page 29 Section 3 Troubleshooting Troublshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 Fails FlowChart Problem Resolution Chart Pressure Test Follow Instruction fo Leak Test Do Not Use .. Determine Leak Location and Disinfect as Instructed in the Button Below 10 Service Manual 305034 Rev.
Page 30: Troubleshooting Flowcharts For Customer Service
Section 3 Troubleshooting Troubleshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 FlowChart Problem Resolution Chart LIGHT Is Fan Running ? Is Lamp Ignition No Light Start Lamp Solid LED FLASHING Ignition Sequence or on SOLID ?
Page 31: Video & Image
Section 3 Troubleshooting Troublshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 VIDEO FlowChart Problem Resolution Chart IMAGE Blurry / Black & White Distorted Bubbles / Image Video Video Stained Goto Goto Goto Clean Objective Lens...
Page 32 Section 3 Troubleshooting Troubleshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 Black & White FlowChart Problem Resolution Chart Image Is the "BLUE ONLY" Button on the Front of the Sony Monitor Lit? Press the "BLUE Still Black &...
Page 33 Section 3 Troubleshooting Troublshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 Distorted FlowChart Problem Resolution Chart Video Are Pins on the S-Video Cable(s) Bent or Missing Replace Remove the Video Printer and Try Is there a...
Page 34 Section 3 Troubleshooting Troublshooting Flowcharts for Customer Service VideoPath VS-100 / 200 & VLX-10 / -20 FlowChart Problem Resolution Chart Video Is Channel "C" Selected ? Do They have a Select No Video Video Printer? Channel "C" Video OK Video...
Page 35 Section 4 Disassembly and Reassembly 4.1 VS-100/VS-200 NOTE:Components of the VS-100 and VS-200 are ESD Outline of Bending Sec- sensitive. tion Cover Removal and Replacement 4.1.1 Preparation for removal of bending section cover: thoroughly clean and sterilize scope. clear all channels of water. 4.1.2 Remove old bending section cover.
Page 36 4.3 VS-100/VS-200 The service specifications for articulation are found in A04049. Outline of Articulation Call Welch Allyn for latest revision. Checks and adjustments Articulation adjustments require the removal of the handle housing as explained in section 4.1.1. There are two levels of articulation adjustment: Simple slide stoppers/move stoppers.
Page 37 Section 4 Disassembly and Reassembly 4.3 VS-100/VS-200 4.3.2 Inspect alignment in both up-down and left- Outline of Articulation right orientation. Record results. Checks and adjustments 4.3.3 Remove root brace. continued 4.3.4 Unscrew forward body trim cover attachment nut. 4.3.5 Remove trim collar and two 0 rings. 4.3.6 Remove biopsy inlet attaching nut and remove biopsy inlet.
Page 38 Section 4 Disassembly and Reassembly Note: this procedure is for scopes that have the correct articulation and free play, but have incorrect knob alignment. 4.4 Outline of Knob alignment (removal and replacement Including O rings) Note: The 30500 does not come equipped with brakes.
Page 39 Section 4 Disassembly and Reassembly 4.4.10 If the left-right knob is out of alignment by approximately 90 degrees, follow the procedure below to re-align the knob. 4.4 Outline of Knob Make a 90 degree adjustment of the alignment (removal and left right knob: replacement Including O rings) continued...
Page 40: Section 4 Disassembly And Reassembly
Section 4 Disassembly and Reassembly 4.4.13 If the up down knob is out of alignment by approximately 90 degrees, follow the 4.4 Outline of Knob procedure below to re-align the knob. alignment (removal and Make a 90 degree adjustment of the up down replacement Including O knob: rings) continued...
Page 41 Section 4 Disassembly and Reassembly 4.4.15 If the up down knob is out of alignment by 4.4 Outline of Knob approximately 120 degrees, follow the alignment (removal and procedure below to re-align the knob. replacement Including O Make a 120 degree adjustment of the up down rings) continued knob: 4.4.15.1...
Page 42 Section 4 Disassembly and Reassembly Note: Whenever printed circuit boards are re- 4.5 Outline of Umbilical moved or camera assembly is replaced, it is nec- housing disassembly essary to perform special video adjustments on factory video equipment. This work is performed by a specially trained video technician.
Page 43: Outline Of Umbilical Housing Disassembly
Section 4 Disassembly and Reassembly 4.5 Outline of Umbilical housing disassembly continued 4.5.7 Remove residual gasket material from the middle housing and the front plate. 4.5.8 Remove the umbilical middle housing. 4.5.9 Remove the printed circuit board set but do not cut video cable.
Page 44 Appendix A* * Based on VS-100 Bill of Material 30500 Repair * Based on VS-200 Bill of Material 31000 Repair...
Page 45 Appendix A Part Number Description 30500 31000 106100-34 #4-40 PHPS X .1875 LG 106104-20 O-RING.650 X.045 EPDM,70D 106104-22 O-RING.158 X .039, EPDM 80D 106104-24 O-RING.256 X.047 EPDM 70D 106104-25 O-RING.35 X.059 EDPM 80D 106104-27 O-RING" 106106-1 #2 LOCKWASHER,INTERNAL TOOTH 106106-2 #4 INTRNL TOOTH LOCKWASHER 106108-14 O-RING...
Page 46 Appendix A Part Number Description 30500 31000 106145-6 O-RING (1.5 X 6) 106145-7 O-RING (1.5 X 8) 106145-8 O-RING (1.5 X 11.5MM) 106145-9 O-RING (1.5 X 12) 305004-501 UMB PLUG/SCOPE ASSY 305005-501 INS TB/STEERING ASY 305006 KNOB LABEL 305008-1 TERMINATION RING-FINISHED 305010 R/L BRAKE RPLC CAP 305010-1...
Page 47 Appendix A Part Number Description 30500 31000 310039-1 SCREW SOCKET HD #4-40 X 2.62 310039-2 SCREW SOCKET HD #4-40 X .375 310040-2 GASKET, UMBILICAL 310041 LG ROOT BRC RUBBER W/RIBS 310042 LG ROOT BRC RUBBER W/O RIBS 310043 UMBILICAL TUBE 310044 ROOT BRACE RUBBER 310045...
Page 48 Appendix A Part Number Description 30500 31000 310120 R/L LOCK KNOB ASSY 310121 TIGHTENING SCREW 310122 EXTENSION SCREW SHAFT 310123 R/L CLICK SPRING 310124 R/L FRICTION ASSY 310125 LOCKWASHER 310126 WASHER 310127 R/L FRICTION DISK 310128 R/L PRESSURE SCREW 310129 R/L KNOB SHAFT 310130 U/D KNOB PLATE...
Page 49 Appendix A Part Number Description 30500 31000 31038 SUCTION DISINFECTION ADAPTER 31039 (BIOPSY SEALS)(5) 31041 VS-200/VC-200 ACCESSORY KIT 317506 ADJUSTING COLLAR 317518 CHANNEL RETAINING COIL 317519-501 BIOPSY INLET T-PIECE ASSY 317520 FWD BODY COVER W/O SIDE HOLE 317521 FWD BODY FRAME 339048 VALVE LUBRICANT ASSY 33913...
Page 50 Appendix A Part Number Description 30500 31000 M30333 LOCTITE 495 SUPER BONDER M30341 BLACK MAX M30348 LOCTITE 414 M30375 LOCTITE-222 M30383 MASTERBOND EP42HT EPOXY M30389 SILICONE THDLOCK KE445-B M30392 WHITE SILICONE KE-45-W M30396 MASTERBOND EP42HT-1 EPOXY M30399 LOCTITE 712 ACCELERATOR M31405 SOLDERING FLUX M31415...
Page 51 Appendix B...
Page 52 Appendix B...
Page 53 Appendix B...
Page 54 Appendix B...
Page 55 Appendix C...
Page 56 Appendix C List of Reference Drawings Required for Full Service VS-100 Drawings...

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Videopath vs-200