okay. Radiographic processing is necessary for the production of the useful visible image. It links exposure to interpretation and influences. Quality maintenance programs and general guidelines are presented. This discussion includes lubrication, maintenance and troubleshooting related to radiographic processing and the automatic processor in radiographic processing. Of course, we have the need to provide consistent quality to the production of the visible image. The automatic process in itself was invented. It was derived to provide us with electromechanical system that would provide us consistency of the processing situation. Specifically the chemical reactions which are undertaken to produce the visible image, the useful image. So we have electromechanical device. But this device is not an elaborate computer operated mechanism that is self sustaining. It does have problems. It does need maintenance. It does need a knowledgeable operator who can service it, who can maintain it and thereby effect, if you will. A certain level of electromechanical consistency, the consistency of the system itself. There is a relationship between maintenance and troubleshooting. The troubleshooting aspect is simply a failure of your maintenance program. So one way to judge whether or not you have an effective maintenance program is to ascertain well how much trouble shooting do you do? Is this a once a day, uh, function? Is it the situation where you're constantly in that process, er, trying to fix it or maintain it, repair it or just it? Or is it that you basically only have to service machine once every couple weeks or so? So troubleshooting? The more you do is a good indication of how good or bad that your basic maintenance program, maybe, as we look at the slide, we can see that every endeavor in radiology or in radiographic processing should fall into one of these categories. Certainly optimization of quality. We need consistent quality. And once we have established consistency, then we can optimize quality again. The more that we troubleshoot, that means, or that is an indicator of a failure of our maintenance program. Of course, if our quality is not consistent, that results in trouble and the trouble must be sorted out. So we have trouble shooting. But as you go along in your effort to optimize quality and because you will on occasion, no matter how good your maintenance system be involved in troubleshooting a problem and resolving it, keep in mind that we need to compensate on occasion, we may want to remove the problem. We maybe have to compensate for it. Adjust for it so that the problem is minimized, allowing us to better troubleshoot and thereby our very first step optimize quality to elaborate on these a little further, we can say that we can optimize quality through maintenance, maintenance programs, repair modification, modernization, cleaning up grading records, removing variables, controlling the variables and monitoring and experimentation during routine troubleshooting. Don't just eliminate the problem. Determine its cause. Try to learn from it. Let it teach you so that you learn more about your machinery and the way it works and the way it fails. Record the circumstances of its occurrence. Keep records, determine the best way to solve it and the best way to prevent a recurrence. Never, ever sweep it under the carpet as unimportant because as a problem, it will simply lay there under the carpet. And it will be a source that allow you to trip over in the future and in radiology because we are working with ionizing radiation. That means that if we have a a problem in the processor that necessitates a repeat of the patient's film. This doubles the exposure to the patient and this is not correct. So therefore we need to not sweep it under the carpet, take it out, examine it, try to learn from it, and eventually maybe, uh, the second or third time that it happens may require this. We eventually will learn how to remove the problem and thereby achieve a better level of quality than what we had in the past. Some problems will be outside the control of processing outside of the capabilities of electromechanical systems built into your processor, and thus we must compensate for the deficiency to maintain quality and minimize further problems. There are several types of programs to be considered. The first is predictive maintenance. Now most of you know about preventive maintenance, but we'll start with predictive maintenance. Predictive maintenance says that you know enough about your process, er that you can predict failure. You allow things to wear. You allow things to deteriorate. Chain on the main drive motor may wear the sprocket because the chain is case hardened and the sprocket is not. And this is true of almost all processors. So therefore we allow this chain to wear away. But on occasion we will inspect to see if the chain is misaligned, if it needs lubrication or if something is causing excessive wear. But because indeed there is normal wear this where we'll continue and we can monitor it. We can keep records of it. We can observe the function of the chain and it's driving of these sprockets and eventually we will get to a point where we say Okay, it looks like the sprocket will no longer hold up, that it will eventually deteriorate completely and at this point we predict failure. So therefore we prevent failure and this leads us into preventive maintenance. So first we must predict failure. We predict wear and tear. We predict how the system will function and how it will age or deteriorate. Next, we establish a method of preventing that failure by ordering supplies, keeping records and instituting or installing the new product or the new procedure before the old one fails. So that's how we really get to preventive maintenance. Preventive maintenance, as such normally says, you just simply prevent failure, but that can be very consuming of both time and money. If we do nothing but run around putting in new components whether or not the machine needs it. So it's better to practice predictive maintenance and allow that to educate you in the peculiarities of your own processor and lead you into a useful preventive maintenance program. Either Program one or the other or both together can be scheduled or non scheduled. The schedule says that he will go in once a week. You'll make an inspection. You may clean. You may replace a certain component. The non schedule can be used with a scheduled or by itself. This just simply says on an arbitrary basis in a non scheduled way. We will investigate what the processor is doing, You might say. Okay, every Friday afternoon is when I have free time that I can work on the process, er. But on a Wednesday or on a Monday or Saturday, I will, on an unscheduled a non scheduled basis, inspect the machine to see if I can't learn a little bit more about the process. Er, in this unscheduled way, perhaps the best kind of program is a tailor made program. This really sounds a peculiar because what I am suggesting is that you look in your manuals. You consider the recommendations of the manufacturer of your equipment, the recommendations of salesmen and your instructors and so forth. But then you sit down and you take your processor in your department and you consider, well, how am I using this machine? Are we putting through 300 films per hour every hour of the day? Does it run 24 hours, or does it run only eight hours? Do you only put through 300 films per hour in the first or second hour of the day? Exactly how do you use the machine? Does the machine get 1000 films a day For only 300? So you have to analyze the way the machinery is used and then develop a program from all of this. Other outside information, a program that will help you maintain your equipment. Best to give you the best electromechanical efficiency I think you all have experienced at one time or another. Or you can discuss this with your supervisors, the problems that occur with processors that are located in surgery or outpatient clinics where there may be less usage than occurs in main diagnostic, the machine that is isolated in surgery, for instance, is usually less well maintained, and it has a very low volume of film put through it. And yet an identical machine to this one can be placed in main diagnostic and have perhaps only 1/10 of the problems and far less inconsistencies sensitive metric Lee. So this, then is a practical example, and the way that we would tailor make our maintenance program. We certainly need the same degree of quality in a machine that's used in a special situation, such as in surgery as we do. For the multitude of films that come out of main diagnostic quality is quality. We cannot make an exception. So to ensure the quality, we adapt our maintenance program to this to this consideration. To help you do this, you want to consider establishing process of records. First of all, you might have a record file, or you may have a book for every processor in which people write down people. Your own maintenance staff. You're supervisors, equipment personnel, chief technologist processing technologists or darkened personnel. Anybody who might work on the process er have a jam in some way alter processing conditions or do something to the process. Er they should write it down, and then on a regular basis you can keep the records up to date. This is one way that you can find out how many parts you're putting into a processor, whether or not you need to perhaps modify your maintenance program or any kind of other information you may need, such as cost accounting for record systems in the efficiency of the department. Maintain an exact maintenance program. Well, this is really a part of this tailor made idea. If we establish process of records and we keep the records up today, the records will guide us. So tell us where we have been and will tell us also ways that we go in the future. One way that we can establish an exact maintenance program, uh, tailor, make it to the needs of our department to our machinery. So we get the best efficiency and the best dollar value out of the processor and efficiency in the entire department would be to come up with some sort of conditions cleaning rollers, training chemistry and cleaning out the tanks wiping down the outside a set of conditions that seem reasonable to you and your department with your own problems. Next, you establish a list or discuss with the supervisor, and then you maintain the machine very exactly for a month or two. At the end of this period, you sit down and analyze what you have done some things you very easily and obviously recognize as having been done. Too much of other conditions will say, Well, I didn't do enough of cleaning or adjustments in this one case. While I will add this to my next program, and after six months or a year, you will come up with a very specific program that will be extremely useful and well worth the effort. If you do not choose this exact maintenance type of program, the only other alternative would be to sort of hop Scotch around, hoping that you don't miss too much. And that, of course, would lead to electromechanical inconsistencies and inconsistencies in the sense of geometry of the processor. Here is a chart. For instance, when cleaning and lubrication, we can read it two ways. Many people clean the crossovers once a day. You should sometime during the week, other than on this daily basis inspect to see if if perhaps the rollers are dirty, maybe at three o'clock in the afternoon, more so than they are at eight o'clock in the morning or vice versa. Many people clean rollers at the end of the day. But how do you know? The rollers are not really dirtier in the morning, having sat inside a processor all night long, and the fumes have collected on the rollers and so forth. So you inspect and you make a decision, and you learn from the experience. Many people will clean the deep rollers, perhaps once a month, once every six months, so we can read this chart the other way. We can say Well, if you do it in an infrequent basis, then consider taking out the deep racks and rinsing them off to reduce the amount of debris to allow yourself to inspect these components and then put them back in. This will allow the deep rollers or the big rack assemblies to remain cleaner longer throughout the month and also at the end of the month or chemistry change on a six month basis. You'll find that the rack will be easier to clean, thereby saving you time in the long run. Of course, we don't need just complete, uh, completely clean systems. We need systems that have been inspected. We need to make sure that not only is it clean, but it functions correctly. So every time you clean or you work on a piece of equipment, be sure to inspect all the components. Not just that. What you're working with. Of course, as you clean, you will remove lubricants, lubricants and themselves with lots of guys and deeply so different periods of time required that we inspect lubrication points and we apply lubricants. Check your replenishment for accuracy of the pump and for reproducibility of the pump, the pump is affected by head pressure and different times. Throughout the week, we will have different quantities of chemistry in the replenishment tank that can affect replenishment rates. So check it frequently at least once a week. Check your hyper retention. This is the archival quality ability of the film. Check this once a week until you have it under control. Then you might do it once every six months, clean and replace filters. Well, this is anybody's guess. To explain that it means that this will depend on the conditions in your local hospital, so you start off on a monthly basis. You try one particular micron size filter, and then you adjust accordingly. Keeping very close records. Replace tubing about once a year in peace or in total tubing. Will only last about a year's objected to the kinds of chemistry and the temperatures that we work with, and they should be replaced. Of course, checking sense of geometry is a very useful thing. Also, this will aid you in your maintenance program as well as in maintaining a consistent, quality, sensitive metric Lee. We can check on a weekly basis or a monthly basis, or perhaps daily. Many people check before every special procedure exam, and those people who do check on a daily basis, uh, do so usually in the morning. The very first thing to ensure that the processor is in the best set of conditions ready to receive the patients films of the day. But is the first thing in the morning really the best time to check sense of geometry, or perhaps 10 o'clock in the morning is better or three o'clock in the afternoon is better or worse. this, you have to decide this is a part of your responsibility in developing an exact maintenance program for your processor. Keep in mind that in processing radiographic processing, the processing completes what the exposure started, which means we must do everything possible to allow processing to complement the exposure and not alter the exposure. And that radiography begins and ends in the dark room. A clean processor is more economical. It's conducive to good work habits. Safer s capable of producing better quality radiographs simply because it's a clean processor. It's less time consuming, It's easier to maintain and repair. And most people are similar in this particular regard in that when you work on the equipment, if it's clean, if it's well maintained, if it's easy to work on, if it's reasonably easy to work on, if you don't mind working on it, if it's a real mess, then this is going to affect your attitude and also the safety of yourself when you're working on the equipment. So we might consider, for instance, some things to do. Very simply, it works this way. You use your senses, you smell for burning insulation. You look for flames, you might also feel for thumping, uh, for grinding for misalignment or look for misalignment. Or listen for these thumping or grinding sounds. Uh, you might use a stethoscope, for instance, to inspect to see if a bearing is being torn apart because of lack of lubrication or misalignment. Uh, you use your senses and basically use common sense. This is a valuable piece of equipment that we must maintain some of the props that, uh, you may want to have handy insofar as cleaning your process. Er, we have sponges. Many people say, Well, a sponge can't be of to greater value, but In reality we find that almost all of the dirt in an automatic processor is gelatin. Gelatin abraded off from the film, and this gelatin will hold dirt. But the gelatin breaks down and relatively cool water, if you will. It's warm and perhaps 120°, so you don't need a lot of scrubbing. There are other devices that you can use tools. These are two different styles are used, as you can see of scotch bright pads. Scotch bright pads comes in some five different colors, which indicate different levels of abrasiveness. The pads themselves can literally sand down rollers. They can remove the rust off the bumper of your car if you wish, but you must be careful when you use them. These are not to lift off the dirt. They are to score the dirt to allow the water the warm water to lift the dirt off from the rollers. So you must always use these with a great deal of care so that you do not damage the various components. A much milder type of scouring pad would be adobe pad, which is readily available in the supermarket. There's the milder Paco pads again, a used one and a new one. These from the PICO Corporation are milder, and again we'll be very useful. And here's a combination sponge and scouring pad. It's commercially available from DuPont in your local supermarket, so there's a number of pads. But keep in mind that when you use these devices, they are to help you to do a better job of cleaning. They themselves do not do the cleaning. It's the warm water that does the cleaning. Okay, as we continue, we're going to look at some components and consider them insofar as lubrication. Keep in mind that if we have problems with lubrication, if we have something that fails, then we're going to affect the sense of geometry. Because the transport assembly won't be functioning quite at the same speed, it will have a tendency to slow down when it slows down. We increase development time types of lubricants heavy, such as heavy Greece's. We can also talk about such things as Vaseline. One thing that comes to mind in the category of heavy is, uh, Oesterle gelatin, which is very common around the hospital. This should not be used for any reason in an automatic processor, because sterile gelatin cake it'll get very hard. And when this occurs, of course, it's no longer a lubricant. Light lubricants such as three in 1 oil machine oil sewing machine oil. You might also be used except because it is light. It will migrate around inside the process, and you have a much greater chance of getting it into the chemistry and onto the film. Very light lubricant is glycerin, which has also come into a hospital, and this can be used with a small toothbrush or a small brush to coat those components that need to be lubricated. You might use the light oil in motors and in bearings out of solution, of course, of chemical solutions. Use the glycerin on the exposed gears in this particular process. Er, we can see that we have lubrication ports on the top and the bottom of our circulation pumps. There's a little hole right there. We put a drop and there's one on the bottom. And then there's an oil ports here and here, both ends of your main drive shaft. There's also these gears to be lubricated. These gears are not necessary to lubricate, but if you do lubricate them, you make it easier to remove dirt as the dirt builds up. This puts an increased load or friction on the system and can cause damage. Lubrication is affected by misalignment, abrasion and wear dirt build up, and the lubricant itself will be oxidized by heat, and when it oxidizes, it forms tar pitch asphalt. It is in effect, dirt. Here's an indication at this point, once his bearing is gone, this is in a dryer takeoff mechanism to drive the dryer assembly. Once it starts to wear like this, you can put all kinds of lubricant on, and you won't prevent further where it is already spent. Be sure that your components are level. If they're not level, then you will increase the strain on the bearings and on the drive components. And this will create heat and friction, which will tear up the lubricants as well as the rest of the components. Here we see oxidized developers, and probably one of the harshest things is that the oxidized developer hides those components in there. And we can't really see if, if it's wearing the chain is wearing properly on the sprocket teeth. We can only see a little indication. We can't see if this is broken, so it's best to keep off these old lubricants, so we can better see the condition of the component. These processors use a bronze bearing the bronze bearing, as such is porous, and the oil will migrate through it so that there is no need to drill a hole through that bearing in to facilitate lubrication alignment. Look to see. First of all, if it's clean enough, you'll see this look to see if the teeth of the sprocket are properly centered in the center of each of the links of the chain. This one appears to be slightly cocked, so you want to look at the alignment. And sometimes this has been best done when the unit is running. B, of course, very careful not to have any loose clothing or to be near enough that you might be injured by the turning chain and sprockets. Here's a simple kind of lubrication device. It's a disposable syringe, which you will allow you to put a drop of oil exactly where you want it. In this particular slide. We can also notice that here we have plastic nuts on the inter stainless steel drive shafts, and we have plastic face plates and, uh, fiberboard face plates, just similar materials that will heat and expand cooling contract at different rates, causing these components to get out of alignment. So you want to be aware of this and then just inspect them on occasion and make sure that they are tight here. We see that there's a build up of dirt on the chain and debris, and that should be cleaned off in the dryer drive mechanism. We have a bearing at each one of these locations requiring lubrication heavy lubricant on this right angle drive gear. The chain that you see here is very clean. That's the way your chain should be. Also, a light amount of lubricant should be applied, but also a short period of time removed and a new application made so it never gets dirtier than what you see there. Precautions. To keep in mind, you need to keep it out of the chemistry off your hands, because if it's on your hands and lubricants, you will touch the rollers, and then that will touch the film. And in any of these cases, if we get oil on the film's lubricants on the films, this will inhibit development use sparingly but continuously on schedule. Now, in discussing the processor, we can say that this is a dirty processor, and I show this only in case you're not sure of dirtiness. We can see that there's stains in each of the tanks that the splash route has been removed and we have chemicals splattered all around here. Incidentally, when the developer dries, it oxidizes brown very much the way the lubricants will fixer when it oxidizes will oxidize to a white here. We want to make sure that when we clean this machine that we inspect the ports that you see here, make sure they're free of crystals and debris and pour hot water down each one of the drains to make sure that they're free. Clean up the spills and splatters. Don't allow this debris to go this far from the fumes of the fixer and splashes this sleeve on this particular Kodak processor is an external bearing and it should never turn. It should remain stationary, although here we can see some indications of turning here we can see a spring that is corroding. All of this is our indications of failure on this particular slide. The entrance to this assembly would be from this side. This is your entrance. Cross over into the developer. We can see stains on the fixed developer to fix crossover and on the fix, the wash they're both white. This indicates that these are fixer fumes. These crossovers and any processes should never be interchanged because then the fixer fumes and crystals on the roller. Once the film coming out of the developer hits, it will cause a dissolving of them and we'll end up with some stain and contamination. This particular roller, all the way over here that you see is black and appears to be coated with black rubber is actually coated with gelatin and silver. That is a roller that originally looked exactly like this one and certainly is in dirty state of a condition. Here is another rack that we can say is dirty. We can see the gelatin is so thick it's starting to pull off from the rollers and we'll play it back on the films. Here we see the splash spilled fixer. This problem didn't just occur. It's been running on for some time now, and this leads to other problems, and we also notice that the tubing is very black. Even the fixed line is black. It's long overdue for being changed. The tubing shrinks, gets very hard and can create blockages. This roller again is coated with gelatin and silver, and it's very sticky, as you can see by the lint on the film that lent it was the result of wiping this roller with a limp filled rag. Here we see a roller that has moved it slid and slid down the shaft. It should be right here. We can also see how the chemicals and the heat has oxidized this stainless steel shaft. We can see how the debris sitting in the little support blocks in the dryer assembly is scouring this in place, keeping it Chinese. This demarcation line here, where it's brown and then it's a lighter shade. This is because the drive belt only comes to this point. It does not cover the whole gear, so this is understanding how the equipment works and how it wears a bent rack covered with silver because of chemical contamination, most likely from the use of systems cleaner, which would cause an etching of silver and a deposit of silver in the developer rack and tank assembly. This is dirty inside of a pick somatic process er, a leak that has been running on for some time and has been ignored. Here we see the classical build up a fixer debris. The fixer, as such is aluminum soul fight and needs to be removed wearing way sprockets, and the story goes on, its endless of all the various problems that we can have. So we need to consider that this is a very important task these are due consideration so that the machine and the machinery is consistent to give us consistent radiographic quality. Oh, yeah.