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User Manual English - Velopex International

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1. BY MEDIVANCE MEDIVANCE INSTRUMENTS LTD Barretts Green Road Harlesden London NW10 7AP UK Tel 44 0 20 8965 2913 Fax 44 0 20 8963 1270 www velopex com Medivance Sprint Operating Manual UK OM37 Issue 1 08 10 04 Pt No I LIT2063P Velopex is a trademark of Medivance Instruments Ltd
2. SPRINT Mk II Automatic X ray Film Processor Installation Operation and Maintenance manual WARNING Do not plug into the electrical mains power supply before reading this manual or before BY MEDIVANCE i me i LTD oad Harlesden 10 7 jg Tel 44 0 20 8965 2913 Fax 44 0 20 8963 1270 Description Alternating current Off only for part equipment On only for part equipment Dangerous voltage Caution hot surface Attention consult accompanying documents This processor 5 fitted with ON OFF switches and an indicator light illuminated RED When lit these indicate that the processor is switched ON and operating correctly In darkroom conditions red illumination is used to prevent film fogging and on this processor it is NOT indicating a dangerous condition Input rating 230 Volts 50 Hz 200W att 0 9 Amps This equipment must be plugged into an earthed socket outlet Use only the connection lead supplied Note Replacement fuses must be as follows TSAH250V Time delay 5 Amp high breaking capacity 250 V rated fuse IEC 60127 2 approved 08 October 2004 SPRINT CONTENTS Thank you for purchasing a Velopex SPRINT This model is the simplest and most compact automatic x ray processor we produce you will have no problem in finding a convenient site for installation Please read this
3. 3 Check that transport modules have been put through the correct cleaning proceaure 4 Should there be any damage to the belts such as tearing or twisting order a replacement module 08 October 2004 15 SPRINT FILM Q UALITY PROBLEMS SYMPTOMS AND ACTION Symptom Action Symptom Action Films too dark or fogged Test for light fogging by feeding an unexposed film through the machine It should process as a transparent piece of film base with no signs of shadows or blackness evident 2 If there is light fogging proceed as follows a Check that the daylight loader cover 5 firmly in place b Check very closely for other possible light leaks ensure that the machine has not been sited in direct sunlight or in intense lighting conditions e g directly under strip lights or spotlights Do not take your hands out of the daylight loader before the film has fed completely into the machine fog at one end only of the film indicates premature removal of hands from daylight loader Check hand entry ports to ensure there is a good light seal around the wrists if not call for service Check whether films have been stored too close to x ray source and relocate Check expiry date on film box to ensure films are not out of date Keep films in a cool dry place excessive heat can cause premature ageing of film 3 Check that there has been no chemical mix up leading to cross
4. ITEM No Description Part No See diagrams 2 Daylight Loader Cover MDG7708P 4 Hand Entry Ports 2 off 5577 5 Wash Tank Assembly 55 13 15 Developer Tank MDG2176F 16 Fixer Tank MDG2177F 17 Developer Module MOD0067F 18 Fixer Module MOD0068F 17 Module Gear Replacement set MOD0100F Chemistry Developer Ready To Use 2x5 Ltr Fixer Ready To Use 2 5 Ltr C FIRSOOOF Film ntra Oral D Speed 4x25 I FLM7OO0F 08 October 2004 19 SPRINT Intra Oral Speed 4x25 I FLM7001F Quality Control Vischeck 20 Strips l FLM7002 Systems Cleaner Fluid 4x I Ltr C SYS6000F Systems Cleaner Tablets 30 0 2 MON SER SERVIGERSEE U Do not struggle with film processing problems Through experience MEDIVANCE INSTRUMENTS probably has the answer Medivance Instruments will make available on request circuit diagrams component part lists descriptions calibration instructions or other information which will assist the user s appropriately qualified technical personnel to repair those parts of equipment which are designated by Medivance Instruments as repairable Application should be made to Medivance Instruments Limited Service Department Barretts Green Road Harlesden London NW 10 7AP Tel 44 0 20 8965 2913 Fax 44 0 20 8963 1270 08 October 2004 20 SPRINT
5. October 2004 3 SPRINT MkIII In the event that electromagnetic or other interference is suspected between this processor and other equipment close to it move the two units further apart until the problem is eliminated SITING THE SPRINT PRE INSTALLATION INSTRUCTIONS Although the Velopex Sprint is designed for use in daylight care should be taken to avoid sources of intense light For example do not site directly under a window fluorescent tube or floodlight A well ventilated position is mandatory The SPRINT has been designed for use on a normal counter top or for wall mounting It is important that when the machine is filled with solution the stand does not rock or shake as this could cause spillage Never move the machine with chemicals in the tanks Avoid siting the machine above or near other electrical mechanical or sensitive apparatus e g autoclave compressor evacuation equipment Place the machine against a wall to prevent it from being accidentally knocked The machine should not be placed in areas exposed to flammable gasses When the machine is to be sited in a darkroom it is essential to ensure that the room is well ventilated and light tight There should be sufficient space for easy chemical changes and for the machine to be serviced safely When choosing a site for your Velopex it may be convenient to site the machine near a sink for ease of chemical changing When choosing the site it
6. at the front of this manual 2 Remove the water tank and Film accessory bag that are stored inside the daylight loader item 20 Entry into the Daylight Loader is made by vertically the daylight loader cover item 2 3 When the machine has been unpacked and in position the inner packaging must be removed The transport modules inside are protected by internal packing pieces open the front cover item 3 and discard the packaging along with the separating sheet between the output rollers of both modules items 17 and 18 CONSULT THE CHEMICAL MANUFACTURER S SAFETY SHEETS BEFORE HANDLING THE CHEMICALS FILLING THE MACHINE WITH CHEMICALS WARNING Ensure the machine is disconnected from the mains power supply when filling with chemicals and water NEVER turn on the machine with the tanks empty Hot parts are exposed when removing the tanks SWITCH OFF THE MAINS SUPPLY Do not use chemistry or film designed for manual processing Note Optimum processor performance will be achieved by using Velopex Fixer and Developer The machine is built however to work satisfactorily using most high quality brands of chemical ONLY use chemicals designed for automatic processing Chemicals used for MANUAL PROCESSING dunking will produce poor results The correct positions for the tanks are clearly marked 2 Each tank with its transport module in place should be withdrawn NOTE
7. is important to allow for the presence of liquids Surfaces susceptible to water or chemical damage should therefore be avoided Avoid carpeted areas The ambient temperature must be maintained below 27 C 81 F WARNING X ray radiation can be harmful to patient technician and dentist Inadequate lead shielding of the darkroom or film storage area will also cause fogging of films from exposure to Stray x ray radiation Consult your Radiation Protection Adviser your local bye 08 October 2004 4 SPRINT laws your Department of Health and Safety Dental Equipment Dealer for proper construction of darkroom or placement of film processing equipment in the vicinity of x ray radiation sources CLEANING THE PROCESSOR CASING Keep the outside of the machine clean with a mild solution of household detergent and warm water not boiling Use a damp cloth only wring all excess water out of the cloth and wipe the external surfaces exercising extreme care around the electrical components WARNING Ensure that the machine is disconnected from the mains power supply during cleaning and never allow water to seep into the casing EXTERNAL FEATURES 08 October 2004 5 SPRINT MkIII p N 7 NY K M ON 4 al M n N a 1 1 MAIN CASE 2 DAYLIGHT LOADER COVER FRONT COVER 4 HAND ENTRY PORT 5 W
8. manual carefully before plugging in and using your machine for the first time Contained in this manual is information on the right place to position the Sprint how to set up the machine correctly for use and how it should be maintained so that you receive consistently high quality results over a long working lifetime INTRODUCTION TO THE PROCESSOR The diagrams at the front of this manual are designed to introduce you visually to the layout of the Velopex SPRINT Page TABLE OF SYMBOLS 5 2 TECHNICAL DESCRIPTION 3 SITING THE SPRINT 4 EXTERNAL FEATURES OF THE MACHINE 5 INTERNAL FEATURES OF THE MACHINE 6 WALL MOUNTING DIAGRAM 7 WALL MOUNTING INSTRUCTIONS 8 PREPARING TO USE THE SPRINT 9 Filling the Machine with Chemicals 9 OPERATING THE SPRINT Start Processing Film Film Collection Each Day FILM STORE ROUTINE MAINTENANCE 13 Cleaning the Processor 13 Caution 13 TROUBLESHOOTING 14 Symptoms and Action 14 FILM QUALITY PROBLEMS 15 Films too dark Films too light 08 October 2004 2 SPRINT Films dirty or marked 16 CONTAMINATION 16 USER SERVICEABLE ITEMS 17 SPARE PARTS 18 CONSUMABLE ITEMS 18 NON USER SERVICEABLE ITEMS TECHNICAE eerie _ The Velopex Sprint X Ray Processor is a machine for developing and fixing dental xray films without user contact between insertion of the exposed film and receipt of the developed film into the wash tank fo
9. situation Problems of this nature can be avoided by wearing protective glasses and gloves SYMPTOMS AND ACTION Symptom Action Symptom Action Symptom Action Symptom Action Symptom Action Machine does not operate 1 Check that Mains Power is plugged in the supply is switched on and the run switch 5 in the On position 2 Switch off Mains Power supply and unplug machine Then check the two fuses in cord socket on the right hand side of the machine If either fuse is blown call for Service 3 Check that cord is fully engaged in both mains power supply and socket on the right hand side of the machine Heater Indicator Light Stays On If light stays on for an abnormally long time call for Service at normal room temperature average warm up time is 10 15 minutes in an unheated environment this time could lengthen Chemical s overheating Call for Service Films will not enter through Film Entry Guide 1 Open machine Daylight Loader Cover and Front Cover and check correct engagement of transport modules Film Lost in the Machine Check that the transport modules are correctly located in their drive dogs and running correctly If not re locate 2 Check the spring tensioning of the modules and check for correct positioning Use the module turning tool to rotate the belts for inspection and run a test film through the module using this tool
10. type of wall 2 Using the template provided hold in the required position on the wall and temporarily fix using suitable adhesive tape Use a spirit level and adjust as necessary 3 Using suitable rawlplugs for the type of wall proceed as follows Drill 4 holes in the wall for the keyhole slot screws To suit No 12 x 35mm 172 inch Pan Head slotted screw Drill 2 holes in the wall for the lower locking screws To suit No 8 x 25mm 1 inch Pan Head slotted screw 4 Place all the rawlplugs into their appropriate holes 5 Fit the 4 keyhole screws into position leaving the screw heads 3mm inch proud of the wall surface Lift the EMPTY processor up to the wall and using the keyhole slots hook the machine onto the 4 screws If necessary adjust the screw head heights if they appear too tight or loose 7 IMPORTANT Lock the machine into position by assembling the two remaining screws into the lower fixing holes 8 Test that the machine is mounted correctly by checking that it cannot now be lifted off the wall PREPARING TO USE THE SPRINT 08 October 2004 9 SPRINT The machine is supplied in a single carton containing Velopex SPRINT Processor Operator s Manual Water tank Machine Accessory bag containing Electric Lead Transport Module Turning Tool Cleaning Brush Chemical Change Chart and Warranty Card Familiarise yourself with the layout of the machine by referring to illustrations
11. ASH TANK 6 FILM ENTRY CHUTE 7 FRONT COVER LOCATING LUGS 8 DAYLIGHT LOADER COVER RETAINING CHANNEL 9 FILM STORE 10 FILM DISPENSER 11 FILMS INTERNAL FEATURES 08 October 2004 6 SPRINT MkIII 12 MAINS SWITCH FUSED SOCKET amp FUSE HOLDER 13 RUN SWITCH ILLUMINATED 14 HEATER INDICATOR LIGHT 15 DEVELOPER TANK 16 FIXER TANK 17 DEVELOPER MODULE 18 FIXER MODULE 19 FRONT COVER LOCATION SLOTS 20 DAYLIGHT LOADER 21 LIQUID LEVEL WINDOW WALL MOUNTING DIAGRAM 08 October 2004 7 SPRINT WALL MOUNTING CENTRES 170mm 6 3 4 85mm 3 3 8 ff L 4x KEYHOLE SLOTS A u 4 55 9 ex 2x LOCK Ea SCREWHOLES i n D BOTTOM 150mm SUPPORT 6 BRACKET 193mm 7 5 8 WALL MOUNTING INSTRUCTIONS 08 October 2004 8 SPRINT The Sprint is ideal for wall mounting and is fitted with 4 keyhole slots the rear panel A further 2 locking holes at the bottom of the rear panel prevent accidental lifting once in place Choose an area of wall that is both flat and upright It must be able to a load of 25kg 55 Ib Use all the mounting points to ensure a secure fixing and to spread the loading onto all the screws NOTE Please remember to position the processor within 1 metre 3 feet of the electrical supply preferably with the supply socket to the right of the machine 1 Use screws and wall anchors suitable for the
12. T NOTE Ensure that the two tanks are correctly filled with chemicals and fitted into position before switching on the machine First plug the electric power lead into the socket item 12 on the right hand side of the processor and plug the other end into the mains wall socket The processor may now be switched on If the chemicals are below operating temperature the Heater Indicator Light item 14 will illuminate This indicates that the SPRINT is bringing the chemicals up to the correct temperature Switch on the run switch item 13 until the temperature has been reached and then switch it off until processing is required Do not begin processing until this light has gone out PROCESSING FILM Switch on the run switch item 13 As the processor is almost silent in operation the run switch is illuminated to indicate that the film processing modules are running Push hands with the exposed film package through the hand entry ports item 4J at each end of the Daylight Loader item 20 Strip the film from its wrapper Slide the film carefully down the Film Entry Chute item 6 until it is picked up by the transport mechanism soon as each film has fully entered the transport you may begin processing the next IMPORTANT Do not remove hands from the loader until the last film has entered the transport system To do so may cause film fogging FILM COLLECTION Films will collect in the water in
13. This is done by sliding FORWARDS towards the operator until completely Clear of its rod heater element fixed to the machine internal back wall The Developer tank is removed first the Fixer tank second Do not lift either tank until it is clear of the front of the machine 3 Tanks are now free to be taken to a clean working surface for filling 4 The transport modules should now be lifted from their respective tanks and the separating sheets removed from between the output rollers EE ANH TO UDE I Uu s 08 October 2004 10 SPRINT 5 Start to fill each tank with the appropriate chemical pouring in 1 litre fluid at this stage Pour in accordance with the marking on the tanks i e Developer always in the Developer tank and Fixer in the Fix tank 6 The rod heating elements fixed to the internal wall of the machine must be lightly lubricated only with the silicone grease provided Replacement tube Pt No I Fit 5041P Use at first time of operation and after every tank removal 7 Carefully lower each transport module into its respective tank NOTE rapid immersion will cause excessive displacement of chemical leading to spillage Should any spillage occur it should be cleaned up immediately 8 The level of the liquids should now be adjusted top up to within 25mm linch from top of the tank shown as half way in the tank viewing window item 21 This level should be checked every day
14. and topped up as necessary IMPORTANT When returning the transport modules to their tanks ensure that they are correctly positioned i e with the drive pins inwards so that they engage correctly with the drive dogs on the inside wall of the tank area 9 Return tanks to their individual positions in the machine clearly marked N B fixer first developer second Push the tanks carefully home until they touch the rear wall of the tank area ensuring that each drive pin engages its drive dog 10 Load the film store item 9 if required Replace the front cover by dropping its locating lugs item 7 into the front cover locating slots item 19 Now close the front cover until it clips shut WARNING If the front cover will not close fully remove it and make sure that both the tanks touch the rear wall of the tank area and the modules are fully engaged in the drive dogs 1 2 Gently replace the red daylight loader cover item 2 by lowering it vertically until it engages fully into both front and rear retaining channels item 8 in the Daylight Loader 20 WARNING If the red cover is not fully in position the unit will not be light tight and film fogging will occur 13 The wash tank item 5 should now be filled with water to the level line and hung in position on the left hand side of the main case at the film exit slot OPERATING THE SPRINT 08 October 2004 1 SPRINT STAR
15. contamination 4 Check temperature of developer and fixer tanks This is generally set at 27 C 81 F A substantial difference could lead to dark film Switch off the machine and call for service Films too light 1 Check chemicals as follows Chemicals exhausted replace with fresh b Chemicals contaminated clean machine replace chemicals with fresh solutions c Chemical level in tanks too low top up d Temperature of chemical s too low check with a thermometer below 27 C 81 F call for service 2 Check films have been exposed correctly 08 October 2004 16 SPRINT FILM eda Symptom Films dirty or marked Check water Clean tank thoroughly and change water Action Falli red cd NR 2 Check transport modules are being cleaned correctly see cleaning instructions 3 Check chemical level in all tanks and top up as required 4 Check modules for correct positioning When found in incorrect order contamination will have occurred Thoroughly wash and replace with fresh chemicals 5 Check for stray light entering machine proceed as for fogging see above When changing chemicals make sure that the tanks are emptied completely and rinsed out results Fresh chemical will be spoiled by contamination leading to poor WARNING If the unit should emit abnormal odour become overheated in some parts or produce unusual no
16. g them out NOTE The film store must always be in position even if empty or not being used otherwise light will leak into the processing area and will fog the films being processed 08 October 2004 13 SPRINT ROUTINE MAINTENANCE CLEANING THE PROCESSOR MODULES A clean processor is the key to consistent good AT results and the following cleaning routine should BEFORE HANDLING THE CHEMICALS be carried out at each chemical change the frequency will vary according to the use of the machine and the number of x ray films passed through it Regularly inspect the supply cord for any damage at least every time the machine is cleaned Replace if necessary NOTE It is not recommended to extend the use of chemicals beyond three weeks Switch off the processor and disconnect it from the mains power supply 2 Place transport modules in a sink with running water and a drain Rinse under the running water not allow chemicals to dry on the belts before cleaning NOTE the modules will be wet with chemicals take care to allow them to drain a little over the tanks before moving them 3 Clean tanks first by rinsing the insides with fresh running water and allow to drain Wipe dry inside and out before refilling 4 Clean transport modules thoroughly one at a time with fresh water for each module to avoid cross contamination Take care to return each to the tank from which it has been remo
17. ises immediately switch processor off and unplug from Main Power Supply Contact your Velopex supplier Clean well maintained machine will produce good clear x rays a dirty machine will cause problems Do not struggle with film processing problems Through experience M INSTRUM ENTS probably has the answer EDIVANC 08 October 2004 17 SPRINT USER SERVICEABLE ITEMS The fuses are located just below mains input socket item 12 on the right hand side of the processor For continued protection against fire or electric shock replace fuses only with the same type and rating as marked on the label adjacent to the fuseholders MODULE GEARS If problems are experienced with the transport module it should be considered for replacement However changing of the gears is an extremely simple operation and can be carried out on site To replace gears proceed as follows Remove gear cover plate retaining screw see diagram item 22 The gear cover plate item 23 can now be gently eased off Remove old gears and replace with new gears to their correct positions Replace gear cover plate and retaining screw 08 October 2004 18 SPRINT MkIII Main drive gear D shaped centre gears Total 5 Small idler round hole gear Total 1 Large idler gear 2 Developer Module Fixer Module Retaining screw Total 4 Gear cover plate Gear set Complete SPARE PARTS
18. r collection at the end of the process The machine receives undeveloped film in a light tight enclosed area visible through its protective red perspex hood where a motor driven module carries it between two continuous belts through a tank containing Developer The film is passed out after one minute into an identical module working in a second tank containing Fixer taking a total of two minutes from film entry to film exit Chemical temperature is maintained at 27 C 81 F by two rod heaters protruding from the rear wall of the machine heating each chemical tank through a metal sleeve The film finally passes into a water Wash Tank after processing It is retrieved by removing the film from the collector tank The mains input socket is fitted with 2x5 Amp fuses Type Reference T5AH250V The overall dimensions of the processor are width 380mm 15 inches with water tank fitted height 450mm 17 inches depth 230 mm 9 inches The weight of the processor is empty 6 85 kg 15 Ib full 10 25 kg 2272 Ib This machine is a CLASS device ENVIRONMENTAL CONDITIONS FOR TRANSPORT AND STORAGE This machine should be kept within the temperature range 10 C and 40 C 14 F and 104 F and below 80 humidity INTERFERENCE BETWEEN EQUIPMENT This X Ray processor complies with the following E M C Standards EN60601 1 2 U L 15 Class A 08
19. the Wash Tank and may be lifted clear by hand Films should be separated before drying to avoid sticking together The water in the Wash Tank film collector should be changed with each processing run of five or more films EACH DAY 1 Before use check levels of developer and fixer and top up where appropriate 2 Before processing run through a clean up film This may be done during the warming up period For clean up films use a spare intra oral film which may be kept for this purpose for one week After a week discard the old film and use a fresh one This routine helps to clean the transport system and checks that the transport mechanism is running properly 3 Renew the water in the wash tank 4 Atthe end of the day turn the Main Power Switch O WARNING Turning off electrically at the end of each workday is an essential safety procedure 08 October 2004 12 SPRINT 5 The SPRINT is fitted with a simple film store and dispenser drawer for standard intra oral film item 9 To load the film store unclip the top from the front cover and remove Stack new film neatly into the back of the film store 1 1 as illustrated uniformly orienting in one direction Return the film store back into position and clip the top into place Films are simply dispensed by placing the index finger through the U shaped dispenser hole item 10 on the outside of the cabinet and gently easin
20. ved e g Developer module to Developer tank 5 The best method of cleaning a module is to immerse totally in a sink full of hot water not boiling Using the brush provided scrub around the gears and the roller ends Using the special tool provided rotate the gears and belts by hand to assist in thorough cleaning Rinse the belts thoroughly Do not use detergents just hot water Never use boiling water boiling water will damage your module After cleaning pour 1 litre 1 pints of fresh chemical into the correct tanks and replace the modules into their respective tanks up the chemicals to within 25 mm 1 inch of the top of the tanks Renew the silicone grease on the heating elements Replace the tanks in the processor fixer first followed by the developer Besure to keep a note of the date when chemicals are changed using the chart provided PLEASE NOTE Spend time cleaning the machine as you will be amply rewarded by high quality results and extended chemical and machine life CAUTION Processing chemicals should be handled with care If spilt they may cause staining or corrosion of surfaces They can also cause skin or eye irritation wipe up any drips or spillage immediately If chemicals are splashed onto the skin or eyes flush immediately with abundant amounts of plain 08 October 2004 14 SPRINT water Always observe the chemical manufacturer s recommendation for this

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