Service Manual - Keeler Instruments
Contents
1. a Unscrew the coupling shroud from the coupling body to expose the two hose connections b Using 6mm spanner unscrew the retaining screw and pull the connection out of the coupling c Discard the hoses Clean the Coupling ports a Visually inspect the hose connector port and remove any visible debris b Connect one port to the high pressure hose and gas through to blow out any debris c Repeat with both ports Fit the new Hose Assembly a Prior to fitting to the coupling check the hoses are not twisted along the entire length b Push the hose connector into the receptacles on the coupling Ensure the hose marked with black sleeve is fitted to the exhaust port c Screw in the retaining screw and tighten using a 6mm spanner d Repeat for both hoses e Do not screw the coupling shroud in place until the probe has been leak tested to ITPO10 Clean the Hoses a Connect one port to the high pressure hose and turn on the gas for 1 or 2 seconds to blow out any debris b Repeat with both ports KCP401 B Keeler Probe Service Manual Page 6 of 21 CAUTION Ensure the hose is held firmly before applying pressure and that it is projected away from yourself or anyone else Fit the Stem Assembly as described in replacing the stem assembly Final Assembly and Test a Leak test to ITPO10 b Screw the coupling shroud onto the coupling Firmly grip the outer sleeve to prevent twisting c Final test to ITPOO9 Repl2. ITPO09 Medical Grade N O Final Test to ITP009 Gas Type All other procedures Medical Grade N CO N20 Gas Pressure 550 to 850 psi Pack and Ship No Repeat 3 times Replace the stem assembly KCP401 B Keeler Probe Service Manual Page 10 of 21 4 Repairing Leaks and Replacing Filters Overview Potential leak areas include the hose connection coupling connector and stem assembly o rings Leaks are most likely to occur following servicing of a probe It is therefore important to leak test to ITPO10 to identify the source of any leaks prior to final testing ITP009 Hose Connection Leak Coupling Remove the hose connection a Unscrew the coupling shroud from the coupling body to expose the two hose connections b Using 6mm spanner unscrew the leaking retaining screw and pull the connection out of the coupling Clean the coupling ports a Visually inspect the hose connector port and remove any visible debris b Connect the port to the high pressure hose and gas through to blow out any debris Fit a new o ring a Discard the old o ring b Fit a new o ring Fit the hose connector a Prior to fitting the hose connector ensure the hoses are not twisted along the entire length b Push the hose connector into the hose connector port The exhaust hose is indicated by a small length of black sleeve and must be fitted to the exhaust port c Screw in the r
3. must be fitted to the exhaust port c Screw the retaining screw in and screw in do not tighten d Whilst holding the hose rotate the probe body approximately 90Deg to the right and then tighten e Ensure the pip is in the correct orientation and adjust if necessary KCP401 B Keeler Probe Service Manual Page 12 of 21 Final Assembly and Test a Leak test to ITPO10 b Screw the handle onto the probe body Rotate it 5 or 6 times counter clockwise prior to screwing on to allow for the twist of the outer sleeve c Final test to ITP009 Replacing Stem Assembly O Rings Remove the Stem Assembly as described in replacing the stem assembly Replace the O Rings a Remove both o rings taking care not to damage the sealing surfaces A small pair of tweezers may be useful for this b Using the large o ring bullet KCP939 fit a new large o ring Do not use any lubricant c Using the small o ring bullet KCP938 fit a new small o ring Do use any lubricant Fit the Stem Assembly as described in replacing the stem assembly Test the Probe a Leak test to ITPO10 b Final test to ITPOO9 Replacing Connector Assembly O Rings and Filters Remove the Connector Assembly a Unscrew the coupling shroud from the coupling body to expose the two screws b Unscrew the two screws securing the connector assembly in the body c Remove the coupling body from the connector assembly KCP401 B Keeler Probe Service Manual Pa
4. service procedures that require further disassembly a Unblocking a Probe b Repairing leaks c Replacing the coupling filters d Replacing the probe chip e Reprogramming the probe Thorough testing following servicing is imperative to ensure maximum safety and performance to a ITPO10 Leak Test b ITPOO9 Final Test KCP401 B Keeler Probe Service Manual Page 4 of 21 2 Modular Repairs Replacing the Stem Assembly Remove the Stem Assembly a Hold the handle and unscrew the front cap b Remove the dowel pin c Unscrew the handle from the probe body and pull back to expose the probe body d Use a 10mm spanner on the flats of the probe body and tool KCP953 unscrew the stem nut e Pull the stem assembly out of the probe body Fit the Stem Assembly a Carefully press the stem assembly into the probe body taking care not to damage the o rings b Screw the stem nut into the probe body do not tighten c Align the dowel hole and fit the dowel d Use a 10mm spanner on the flats of the probe body and tool KC953 to screw the stem nut into the probe body e Screw the front cap on to the probe body whilst ensuring the dowel pin remains in place Test the Probe a Leak test to ITPO10 b Final test to ITPOO9 KCP401 B Keeler Probe Service Manual Page 5 of 21 Replacing the Hose Assembly Remove the Stem Assembly as described in replacing the stem assembly Remove the Coupling Assembly
5. CP938 Large O Ring Bullet KCP939 Small Wire Cutters Small Pliers VV VV V V Plastic vernier or iceball gauge VV VV VV V Flow Meter KCP401 B Keeler Probe Service Manual Page 16 of 21 7 Troubleshooting Guide The following table provides a troubleshooting guide for the Cryomatic system in the event of minor problems If the problem is not cleared then the supplier must be contacted for further assistance Prior to carrying out any service procedure refer to the troubleshooting guide in the user manual to eliminate any possible minor cause Problem Low Flow Rate High Flow Rate Leak at probe end Leak at coupling end Damaged probe handle Damaged Coupling body Console does not recognise probe Coiled spring like hose Orientation pip is misaligned Possible Cause Low freeze pressure Debris in probe Moisture in probe High freeze pressure Faulty stem assembly Damaged hose connection o ring Damaged o ring on the stem assembly Damaged hose connection o ring Damaged coupling o rings Misuse Misuse Faulty Damaged Staubli connector Faulty chip Hose has been tightly wound and autoclaved Incorrect assembly following service Corrective Action Increase freeze pressure Refer to diagnosis and repair tree and take appropriate action Reverse flush Replace Stem Assembly Replace Coupling filter and or Staubli connector Re purge the probe Reduce freeze pre
6. KKeeler Cryomatic Service Manual Contents Introduction iia AAA NA 4 About this Manual a5 52050551 ls ntc 4 Scheduled Maintenance cccceeee cece cece ee eee eee eeeeeeeeeeeeeeeeees 4 Modular Repaso letras 4 OMS nd la cd do 4 FO SUM G sce cee entered A salts A seats eatin sccap lan ceed serene sents Se al 4 Modular RePpallS isu devacdnuiciscicaratecsiccumandessavaincnsticiiseunidiernciauieetunacatad 5 Replacing the Stem Assemblly cceceeeeeee teen esse tena ee eeeaees 5 Replacing the Hose Assembly oooococococccccccccncccnononononononononononononas 6 Replacing the Connector ASSeEMbIll eceeeeee ee ee ee ee tees ee ee eaten 7 Blocked PION vais ince cctesnecccceiwitinnnciaudnevensdascmameticiansauanaeelecaicvamatdzacerss 9 OVEIVIOW s A a te S 9 Nepal cti ra ion tapas Mica 9 Diagnosis and Repair Thee iii a ee es 10 Repairing Leaks and Replacing Filters 2 2 ecsceeeeeeeeeeeeeeeeeeeeeeeeeees 11 O 11 Hose Connection leak COUP INQ ocococccccccccccncccncncncncncncncncnos 11 Hose Connection leak probe oooococccncccccccccncncncncnononcncninononanonos 12 Replacing Stem Assembly O RINQS ooooccococccococococnnncncnonancnancncnnno 13 Replacing Connector Assembly O Rings and Filters 13 Probe IntelligenC eisir anaandaa eaea did 15 Replacing the Chiper dreta aa e A E aa 15 Reprogramming the Probe Va 15 Spare Parts and Accessories ooococococ
7. RIOED GROLP LIMITED The contents ore confidential and shall only be Used for Tre purpose far shich The casing sas provided Halma E 0088 COMPANY Keeler Ltd Clewer Hill Road Windsor Berkshire SL4 4AA England Phone 44 0 1753 857177 Fax 44 0 1753 827170 www keeler co uk Keeler Instruments Inc 456 Parkway Lawrence Park Industrial Estate Broomall PA 19008 Phone 610 353 4350 800 523 5620 Toll Free www keelerusa com K amp Keeler This product is manufactured for Keeler by Cryogenic Technology Ltd Unit 9 Grove Way Mansfield Woodhouse Nottinghamshire NG19 8BW
8. acing the Connector Assembly Remove the Coupling Assembly d Unscrew the coupling shroud from the coupling body to expose the two hose connections e Using 6mm spanner unscrew the retaining screw and pull the connection out of the coupling Remove and replace the connector assembly a Unscrew the two screws securing the connector assembly in the body b Remove the connector assembly from the body c Push the new connector assembly into the probe body Ensure the alignment pins fit in the grooves in the probe body d Screw in the two screws securing the connector assembly in the body KCP401 B Keeler Probe Service Manual Page 7 of 21 Clean the Coupling ports d Visually inspect the hose connector port and remove any visible debris e Connect one port to the high pressure hose and gas through to blow out any debris f Repeat with both ports Fit the Hose Assembly f Prior to fitting to the coupling check the hoses are not twisted along the entire length g Push the hose connector into the receptacles on the coupling Ensure the hose marked with black sleeve is fitted to the exhaust port h Screw in the retaining screw and tighten using a 6mm spanner i Repeat for both hoses j Do not screw the coupling shroud in place until the probe has been leak tested to ITPO10 Final Assembly and Test d Leak test to ITPO10 e Screw the coupling shroud onto the coupling Firmly grip the outer sleeve to prevent twisti
9. be is inspected by properly trained personnel once per annum for performance and safety checks and routine maintenance gt Inspect the Cryo Tip for damage before every use If there is any sign of damage the stem assembly must be replaced Do not try to straighten a bent Cryo Tip gt Do not try to re shape a Cryo Tip SAFETY WARNINGS Electrical equipment may be hazardous if misused The equipment covers should only be removed by authorised technical personnel Do not use the system in the presence of flammable gases such as anaesthetic agents KCP401 B Keeler Probe Service Manual Page 3 of 21 1 Introduction About this Manual This manual covers all aspects of servicing the Cryomatic Probe This manual is for use only by properly trained Keeler service engineers This manual assumes that the Cryomatic system has been correctly installed following the guidelines in the Cryomatic Operator Manual Scheduled Maintenance Modular Repairs Other Repairs Testing The Cryomatic Probe should be inspected annually by Keeler trained personnel This service will include a Replace the Coupling Filters b Replace the Hose Assembly c Leak test to ITPO10 d Final test to ITP009 The probe has been designed in three modular sub assemblies each can be removed and replaced a The Connector Assembly b The Hose Assembly c The Stem Assembly In addition to the modular service approach there are several
10. ccoconononononononnrnnncnrncnrnrarararananananes 16 TOO sarro iaa 16 Troubleshooting Guide iisocicocociconcnniaicnninccnnrarcancininnda da caen enicdndn cada 17 Warranty ao ii e aia 18 DISPOSAl iio A AA AAA AA A 18 Technical Data unir 19 Appendix 1 Probe Assembly Drawing KCP401 B Keeler Probe Service Manual Page 2 of 21 Safety Considerations The system has been designed to comply with the following regulatory standards for Safety and Electromagnetic Compatibility gt EN60601 1 UL60601 1 amp CAN CSA C22 2 No 601 1 gt EN60601 1 2 Although compliant with applicable EMC directives this equipment may still be susceptible to excessive emissions and or may interfere with other more sensitive material For your own safety and the safety of the equipment always take the following precautions gt Keep the console away from sources of liquids and do not spray with water gt Do not use hypercarbonate or phenolic based cleaning solutions or disinfectants containing cationic surfactants e g Dettox to clean the probe gt Ensure that the probe is clean and dry prior to storage gt Observe the usual safety precautions associated with the use of medical gases at all times Copies of these guidelines will be available from the gas supplier gt Ensure the correct disposition of gas exhausted from the system so as to minimise the exposure to nitrous oxide This is the responsibility of the user gt Ensure that the pro
11. etaining screw and tighten Final Assembly and Test a Leak test to ITPO10 b Screw the coupling shroud onto the coupling Firmly grip the outer sleeve to prevent twisting c Final test to ITP009 KCP401 B Keeler Probe Service Manual Page 11 of 21 Hose Connection Leak Probe Expose the hose connections a Hold the probe body exposed metal ring and unscrew the handle If the front cap unscrews first remove the cap to get a better grip on the probe body If the front cap needs to be removed store the dowel pin as it will be reused b Pull back the handle to expose the probe body Confirm which hose connection is leaking by immersing probe in water whilst pressurised Disconnect the leaking hose connector a Unscrew the retaining screw 17 from the receptacle supply using a 5mm spanner on the receptacle and a 6mm spanner on the retaining screw or b Unscrew the retaining screw from the probe body exhaust using a 10mm spanner on the probe body and a 6mm spanner on the retaining screw c Pull the hose connections out of the receptacle Fit a new o ring a Discard the old o ring b Visually inspect the hose connection port and remove any debris c Fit a new o ring Fit the hose connector a Prior to fitting the hose connector ensure the hoses are not twisted along the entire length b Push the hose connector into the hose connector port The exhaust hose is indicated by a small length of black sleeve and
12. ge 13 of 21 Disassemble Connector Assembly a Using a 13mm and 15mm spanner remove the Staubli connector from the hose connector Take care to rotate the Stuabli connector and not the hose connector as this will damage the hoses b Using a 6mm and 15mm spanner remove the filter holder from the hose connector taking the same care not to rotate the hose connector Replace o rings and filter a Remove and discard the two o rings and fit with new ones b Remove and discard the filter and fit a new one Reassemble Connector Assembly a Reassemble in the reverse order b It may be necessary to loosen the hose connection in order to orientate the Staubli orientation pip c Push the connector assembly into the probe body Ensure the alignment pins fit in the grooves in the probe body d Screw in the two screws securing the connector assembly in the body Final Assembly and Test g Leak test to ITPO10 h Screw the coupling shroud onto the coupling Firmly grip the outer sleeve to prevent twisting i Final test to ITPOO9 KCP401 B Keeler Probe Service Manual Page 14 of 21 5 Probe Intelligence Replacing the Probe Chip Remove the chip a Unscrew the two screws holding the retaining plate in place b Remove the retaining plate and chip Fitting the chip a Position the new chip in the slot such that the small side of the retaining plate will be positioned along the bottom edge b Fit the retaining plate in positi
13. gress EN60601 1 UL60601 1 amp CAN CSA C22 2 No 601 1 Class 1 Type BF Applied Part Continuous Console IPx0 Footswitch IP68 Environmental Conditions Temperature Range Relative Humidity Atmospheric Pressure Storage Operating 20 C to 50 C 10 C to 40 C 10 to 80 30 to 70 500hPa to 1060hPa 700hPa to 1060hPa Symbols used on the equipment All symbols used are in accordance with BS EN60417 2 1999 Graphical Symbols for use on Equipment A 7 KCP401 B Keeler Probe Service Manual BF Applied Part Refer to the User Manual Dangerous voltages present inside the equipment AC voltage input Fuse rating ws gt Footswitch connection Exhaust connection Gas inlet connection Page 19 of 21 Appendix 1 Probe Assembly 1 3 4 gt b y y w Notes tems 18 19 are included on the Stem Assembly item 4 A tems 21 and 22 are included on the Stem Assembly item 4 Except the Intravitreal Probe ltems 17 and 24 are included on the Hose Assembly item 2 ltems 13 23 and 33 are included on the Connector Assembly item 1 1 B E y Rev Dote None Description H 3rd Angle ry Gr Palacio A3 Cryomed Group Ltd Keeler Probe Assenbly E fachining Fabrication h Up ta 300 Up ta 300 Paras Sree om mte oka app scoe rasna No fiss Angles males LHC 29 9 06 11 KCPOO A e 0 25 bei ad THs Grosing ara Copies of IT shall oleays remain the property Of C
14. ng f Final test to ITP009 KCP401 B Keeler Probe Service Manual Page 8 of 21 3 Blocked Probe Overview On rare occasions the probe may become blocked due to debris or contaminants entering the system The most likely source of contamination is from industrial grade gas or dirty gas cylinders which may contain particulate matter Therefore to help minimise the chance of blocking it is important that medical grade gas 1s used It is also possible for debris to enter the system during service procedures that break into the gas line Therefore it is advised to clean the hoses as detailed in replacing the hose assembly when these type of service procedures are carried out even if the probe does not appear to be blocked Repair There are several places in a Probe where a block can occur as detailed below However the most common area is the Stem Assembly a Stem Assembly b Hose Connection c Coupling Filter Refer to the fault diagnosis and repair tree to identify and repair the blockage KCP401 B Keeler Probe Service Manual Page 9 of 21 Diagnosis and Repair Tree Is the flow ok Replace the supply filter d and connect to gas Replace the staubli Replace the exhaust filter and connect to gas Yes Is the flow ok Connect the exhaust hose to the supply port Switch gas on and off several times Reconnect hoses correctly and check flow Is the flow within specification Leak Test to ITP010 Gas Type Final Test
15. on c Retain in place with the two screws a Reprogramming the Probe To be completed KCP401 B Keeler Probe Service Manual Page 15 of 21 6 Spare Parts and Accessories The following parts are available from the distributor Item No Description Part Number 1 Connector Assembly KCPO052 2 Hose Assembly KCP053 3 Probe PCB Assembly KCP054 4 Standard Retinal Stem Assembly KCP201 1 5 Extended Retinal Stem Assembly KCP201 2 6 Mid Reach Retinal Stem Assembly KCP201 3 7 Glaucoma Stem Assembly KCP201 4 8 Intravitreal Stem Assembly KCP201 5 9 Cataract Stem Assembly KCP201 6 10 Trichiasis Stem Assembly KCP201 7 11 Contact Retainer CSP210 12 Coupling Body CSP211 13 Staubli Socket CST256 14 M3x6 Pozi C sk screw s s FAS039 15 M3x10 Pozi C sk screw s s FAS040 16 S S Dowel 1mm Dia x 4mm Lg Parallel KCP211 17 Stainless Steel Wire 0 25mm KCP212 18 006 Silicone O Ring KCP213 19 606 Silicone O Ring KCP214 20 Handle Front Cap KCP301 21 Stem Nut KCP308 22 Intravitreal Stem Spacer KCP312 2 23 Sintered Filter MCU219 24 1 5 x 1 5 Silicone O ring MIS071 25 0051 16 Silicone O ring Tool List gt 5mm 6mm 10mm 13mm 15mm gt Console mains lead footswitch gas and Spanner high pressure hose Medium Pozi Screwdriver High pressure hose with coupling adaptor Small Blade Screwdriver Small container of water for performance test Tweezers Large container of water for leak testing Stem Nut Tool KCP953 Small O Ring Bullet K
16. ssure Replace stem assembly Replace Hose Assembly 0 ring Replace o rings Replace o ring Replace Coupling Assembly o rings Replace Hose Assembly handle parts Replace Coupling Assembly body shroud Replace Coupling Assembly Staubli Replace Chip Replace Hose Assembly Adjust hose position in the handle gas cylinders are deemed to be empty when the internal pressure is less than 350 PSI KCP401 B Keeler Probe Service Manual Page 17 of 21 8 Warranty The Cryomatic and its components are covered by warranty that they meet their performance standards and are free from any defects in materials or workmanship Within 12 months from delivery by Keeler the manufacturer shall at no charge to the customer upon written notice from the customer repair or replace any components which are defective in material or workmanship The customer agrees that 1t shall have no remedy in the event of any breach of the foregoing warranty other than as provided above This warranty is exclusive and in lieu of all other warranties expressed or implied and all implied warranties of merchantability or fitness for a particular purpose are expressly disclaimed The obligations of the manufacturer as set forth in this warranty are expressly conditioned on the following 1 No alterations or repairs of any malfunction of the system shall be made to the system except by the manufacturer or his authorized representative
17. without the prior written approval of the manufacturer or his authorized representative and in no case will the manufacturer assume responsibility for repairs or alterations made by those other than the manufacturer or his authorized representative And 11 The customer shall give notice to the manufacturer or their authorized representative of any malfunction of the system and shall not use the system in any surgical operation after they are aware of any malfunction 111 The customer complies with manufacturer s recommended Preventative Maintenance see Section 8 and can provide proof of such action 9 Disposal Ensure that this equipment is disposed of in accordance with local regulations Please contact the supplier if in doubt KCP401 B Keeler Probe Service Manual Page 18 of 21 10 Technical Data Cryogenic System Gas Specification Operating Pressure Range Maximum Pressure Freeze Control Electrical Ratings Input Voltage Range Power Rating Fuses Dimensions Width Depth Height Weight Medical Grade Nitrous Oxide N20 or Carbon Dioxide CO2 in non syphon cylinders 3100 5860 kPa 450 850 PSI 8275 kPa 1200 PSD Footswitch press to freeze release to defrost 110 240Vac 50 60Hz 100VA T2AH 250V 305mm 12 200mm 8 190mm 7 5 2 5kg 6lbs Classification amp Safety Standards Complies with Equipment Classification Mode of operation Protection against in
Download Pdf Manuals
Related Search