Gallbladder removal. What’s the Gas Ex for?
7 years ago
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Scotts 2046 - starting issues - your advice pls
Comments (35)Read and re-read this carefully. It might seem complex to the novice but it is really a straight forward and in depth explanation of what goes on, and what you will be looking at. Remove the spark plug from each cylinder. You will adjust BOTH valves on "the same cylinder", ONLY AFTER THAT CYLINDER has been positioned to the proper point in the 4-stroke cycle. Remove the valve cover from both cylinders. Identify each valve as INTAKE valve or EXHAUST valve by doing a visual reference. The INTAKE valve will be physically closest to where the intak manifold connects to the head and the EXHAUST valve will be nearest to where the exhaust manifold connects to the head. Next you need to determine which direction the engine rotates when running. You can determine this by spinning the engine with the starter while watching the flywheel through the fan shroud. Mark the direction with an arrow (at least on a sketch if not on the engine). Once you have determined the direction of rotation, you can proceed to positioning the engine for valve adjustment. You should trun the engine by hand a few complete revolutions to familiarize yourself with the sequence of valve movements through the entire 4 stroke cycle. It requires two complete revolutions of the crankshaft (720 degrees of crankshaft rotation) to one complete "4 stroke cycle". The 4 strokes of a four cycle engine are (and in this sequence): (1) INTAKE STROKE (2) COMPRESSION STROKE (3) POWER STROKE (4) EXHAUST STROKE. The compression stroke is the stroke where you perform the valve adjustments. Before we try to figure out how to identify the compression stroke for a specific cylinder let's describe the movements of the valves and the terms used: When a pushrod is RISING and lifting a rocker arm, the rocker arm will be pushing a valve DOWN. When a valve is DOWN, it is OPEN. When a valve is UP, it is CLOSED. OK, turn the engine by hand in the correct direction of rotation while watching both valves of the cylinder you are going to adjust the valves on. When you get to a point in the turning where the INTAKE VALVE begins to rise up (closing) and the exhaust valve is already UP (closed), you are in the beginning of the COMPRESSION STROKE. At this time you need to insert a wooden pencil or a wooden dowel rod straight into the spark plug hole until it contacts the piston. Hold the dowel firmly against the piston with one hand and resume turning the engine with the other hand. Observe how the piston pushes the dowel out of the plug hole as the piston moves toward the magical point known as Top Dead Center (TDC). At the point where the dowel movement stops, mark the dowel flush with the edge of the plug hole. Now, measure upward 1/4 inch from that mark and put a second mark. Put the dowel back in the hole, firmly against the piston and slowly resume turning the engine (in the direction of rotatation) and you will see the dowel move into the hole as the piston drops. Continue turning the engine until the second mark on the dowel is flush with the edge of the spark plug hole. This cylinder is now in the correct position for adjusting the valves ON THIS CYLINDER ONLY. After adjusting the valves on this cylinder, you will need to repeat the entire procedure to get the opposite cylinder into position to adjust its valves....See MoreCat proof carpet?
Comments (27)usgirl, thank you for pointing out MORAL consideration! Yes, declawing, docking tail, cropping ear, etc are reflection of human selfishness and causing so much pain and suffering to innocent voiceless animals. I used to have spasm when I was swimming and sometimes when I was sleeping. I am sure anybody who experienced awful pain of having spasm wish they can avoid this kind of torture. Can you imagine pain and suffering of declawed cats? Unfortunate part of animal is they are TOO SENSITIVE to pain and suffering yet they cannot escape from abuse and torture caused by people. Intentionally or unintentionally. There is no way for true animal lover to declaw their cats AFTER THEY LEARN WHAT IS DECLAWING. I know a man who found out about cruel mutilation of his cat after he took his cat to vet to declaw. He wept and expressed his remorse on our local forum. julietspeaks thinks PETA is stealing farm animals from slaughterhouses and releasing in wildness but what she said is all her imagination because there are many farm animal sanctuaries exist in our country. PETA rescue farm animals who are thrown away and slowly dying....See MoreStumped on GFCI Circuit Breaker
Comments (52)"FYI the gfci doesn't really check ground fault in the sense some people on here think. A gf I actually checks current leak." Do you have a link to some sort of documentation for this voodoo theory? If that were the case, any time one GFCI in your house tripped because of a current leak, they ALL would trip. If the difference between the current leaving and returning THROUGH the current transformer of the GFCI exceeds 5 mA, the solid-state circuitry opens the switching contacts and de-energizes the circuit. http://m.ecmweb.com/content/how-gfcis-work The GFCI measures the DIFFERENCE in current between the hot and neutral that goes THROUGH the current transformer in the breaker. It can not sense a current that does not go through the current transformer. The GFCI may not reset if the main breaker is not turned back on first, or the LINE side neutral wire is not connected to the neutral bar yet, but it won't sense current leakage on a different circuit. If that were the case, how far away will it sense this "other" leakage? 100 feet? Your neighbor's house? The leakage in all the power transmission lines? Try this experiment, take the line wires off your doorbell transformer, and just wrap them around the transformer instead of hooking them up, and tell me if the doorbell still work ;) Or take your fluke and try to test for current without putting the wire INSIDE the current transformer. It is more likely that you just got unlucky with the new breaker being bad after the first one gave out....See MoreSo tell me about gallbladder surgery
Comments (35)One of the projects my wife researched as a professor was a team communication study of surgical teams. To minimize the confounding factors the study only attended laparoscopic gallbladder removal surgeries. They documented the communication between team members with a goal of reducing risks and improving overall outcomes. One unpublished statistic that the study uncovered was that the most important factor in the likelihood of complications was the skill of the surgeon performing the surgery (as measured by the total number that surgeon had performed). Doctors as a general rule wouldn't say "Don't use surgeon X, he (or she) is not very good." but they may give useful information if you asked them who they would want if they were to have that particular surgery....See More- 7 years ago
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