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Tube Replacement Instructions: CL/CLM & HECL/HECLM Models Bryan Steam, the originator and leader in the production of ﬂexible tube water and steam boilers for over 90 years, is pleased to provide you with the technical and service information you need to keep your Bryan Boiler running. These instructions will give you the information you need to remove and replace tubes on a CL/CLM or HECL/HECLM Model Bryan Boiler. Here are a few points to consider when inspecting your boiler. 1. Inspect your boiler annually to ﬁnd and replace bad tubes. 2. These are the two warning signs that a tube is bad: • A knocking sound in the tube bank of the boiler indicates a possibly clogged tube. • A white ash visible along the bottom of a tube or tubes indicates that the tube is getting too hot from reduced water ﬂow. Required Tools for Tube Replacement: 1" tube puller 1" tube driver 50/50 mixture pipe dope and cutting oil 1" paint brush 3 lb. hammer 9/16" socket wrench half round ﬁle full round ﬁle piece of emery cloth a tool to bend the tube studs (or small socket/ratchet set) ...
G rafted seed orchards of Douglas-fir are often subject to tree losses caused by delayed graft incompatibility. When the stock and scion (the grafted branch) are incompatible, the stock and scion wall off the foreign cells with a separation zone of dead, suberized (corky) tissue. The separation zone is termed “brownline.” This response occurs along the entire interface in the bark cells of both the stock and scion. This type of graft failure is the product of the defense mechanisms of each tree. The same process enables trees to wall off invading insects and disease organisms or to cover physical wounds with an impervious or protective covering. If a graft becomes incompatible several years after grafting, seed production will be lost and genetic variability will be decreased. A number of years will be required to replace the incompatible grafts. Improving the long-term survival and performance of established grafts is difficult.
Want to replace your undercarriage parts? Ram Undercarriage and offers high quality replacement undercarriage parts; describes some things that should consider in need of undercarriage parts.
STEM CELLS AND CEREBRAL PALSY Cerebral palsy (CP) is an umbrella term which includes several forms and levels of nonprogressive brain-related injury, which cause limitations in muscle control, movement and mobility (known as neuromotor impairment) and other symptoms that lead to physical disability. CP is caused by many factors, and can include infection before birth, premature birth and lack of oxygen around the time of birth. It is thought that the major common feature in CP is a lack of blood and oxygen to the brain during fetal development and/or delivery, known as a hypoxic-ischemic insult. The cells most vulnerable to this hypoxic-ischemic insult are oligodendrocytes, the support cells that wrap nerve cells (or neurons) with a protective white fat called myelin, hence the term white matter of the brain. Because of this myelin, neurons can send electrical signals efficiently throughout the body. Once oligodendrocytes die, the neurons are no longer protected and they eventually die. If myelin could be replaced before neurons die, neurons could be spared and motor impairments could be lessened. For this reason, scientists are investigating whether lost oligodendrocytes can be replaced with stem cells. Stem cells are unspecialized cells which can become specialized cells such as brain cells, heart cells or muscle cells. The process of developing into a specialized cell is known as differentiation. Stem cells can also multiply over and over again, a process known as proliferation. During the process of proliferation the stem cell either remains unspecialized or, under the right condition, can become a specialized cell such as a brain cell. Replacing neurons themselves would be like trying to rewire a giant switchboard with tens of thousands of ports but no labels, where improper connections could lead to pain. It is for this reason that the aim of many cell transplantation strategies now being tested is to replace lost oligodendrocytes rather than to make and successfully connect new neurons. Recent decades have seen advances in our knowledge of how to study and use stem cells. It is expected we will develop ways to transplant stem cells into damaged tissues to treat and cure injury and diseases like CP. From Mice to Humans...
NOTE: Power ratings shown include the light bulbs and motor (275 watts) STEP-BY-STEP INSTALLATION (Note: Please read all instructions before installing) 1. Rough in framing opening following the recommended dimensions (Section A: Framing). 2. Allow 8” of service cable for connecting to the junction box on the fireplace. Remove the outer jacket and strip the individual conductors ½” from the end. 3. Loosen the screw securing junction box cover and remove the cover. 4. Remove knockouts if necessary or use the provided cable clamp. 5. Place unit in position in the opening, level with shims if necessary and attach unit to frame using nailing flanges provided. 6. Unit is factory wired for 208/240 volt power supply. If 120 volt operation is required, slide the switch and reconfigure the wiring as covered in section C wiring. Wires L1, L2, N & G are attached to the rear of the junction box cable clamp for easy access. 7. Wire a dedicated, properly fused circuit with a 20amp rating for the appropriate voltage (120, 208/240). 8. Make wall mounted thermostat connections as outlined in Section C: Wiring. 9. Place all connectors inside the unit and replace the junction box cover, ensuring that the cable clamp grips only the jacket of service or thermostat. 266-950 5/03 SECTION A: FRAMING EBU Dimensions
Safety 3 READ AND FOLLOW SAFETY INSTRUCTIONS! This is the safety alert symbol. When you see this symbol on your pump or in this manual, look for one of the following signal words and be alert to the potential for personal injury: warns about hazards that will cause serious personal injury, death or major property damage if ignored. warns about hazards that will or can cause serious personal injury, death or major property damage if ignored. warns about hazards that will or can cause minor personal injury or property damage if ignored. The label NOTICE indicates special instructions which are important but not related to hazards. Carefully read and follow all safety instructions in this manual and on pump. Keep safety labels in good condition. Replace missing or damaged safety labels. Electrical Safety Wire WARNING voltage. motor for correct See “Electrical”
WHAT’S NEW IN SOLIDWORKS 2014 SOLUTIONS 1 2 3 4 5 ADVANCED SHAPE CONTROL Benefits • Fast and easy creation of complex geometry with new Create complex surfaces and organic shapes faster, easier, and with more precise control. Style Spline functionality • Better, simpler control over curvature of spline geometry • New Conic Fillet controls create smoother transitions for fillets SKETCH ENHANCEMENTS Benefits • • • • Conceptualize and design faster and easier with more robust and powerful Sketch capabilities. Replace Sketch entity Set Sketch and Sketch Picture scale when adding first dimension Fixed length dimension for 2D splines Path Length dimension for multiple Sketch entities—belts, chains, cables, perimeters, etc. ENHANCED ASSEMBLY PERFORMANCE AND VISUALIZATION • • • • Create assemblies faster with new in-context Quick Mate toolbar Section View—Include/Exclude selected components Significantly improved Section View performance Create part Slot features with Hole Wizard and speed up assembly creation with new Slot Mate • Add rotation in Explode Steps so parts will automatically rotate Benefits Create and view assemblies faster and easier. DESIGN COMMUNICATION AND COLLABORATION Benefits • Experience your 3D designs in the real world in Augmented Experience and communicate your design ideas in a more lifelike way—anytime, anywhere. Reality with eDrawings® and eDrawings Professional iOS® mobile apps • eDrawings mobile support for Android™ devices (4.0 and later) • Create an eDrawings file of your SolidWorks Electrical schematics with a single click
TIME OF COMPLIANCE: At overhaul and as engine conditions require. Fuel nozzles can become clogged with a type of varnish from old fuel or from precipitate particles that are almost invisible to the naked eye. This condition may be indicated by rough engine operation, uneven idle, a cold cylinder, or an unusually high fuel flow indication on the gauge. Complete the following steps, in the order given, to remove, clean, and replace the fuel nozzles. Cleaning Instructions Step 1. Examine the nozzle lines for damage or wear. If the nozzle lines are worn or damaged, replace the lines by unscrewing the lines from the flow divider. Step 2. Remove the nozzle assembly from the individual fuel lines using a wrench. Step 3. Insert a plug into the open end of each line to prevent dirt, dust, or other contaminants from entering the fuel lines. Step 4. Remove the nozzles from the cylinders and disassemble. CAUTION Never use a sharp tool such as a wire or pin to clean out a nozzle. Damage to the inlet and outlet fuel restrictors could result which would change the fuel flow. Do not immerse packing rings, at any time, into the cleaning fluid. The rings may swell. Step 5. Clean the nozzles using one of the following approved cleaning liquids for the specified length of time: Hoppes No. 9 Gun Cleaning Solvent 5a. Soak the nozzles in Hoppes No. 9 Gun Cleaning Solvent for 20 minutes. 5b. Rinse the nozzles with Stoddard solvent and blow dry with compressed air. OR...
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They wanted to show me origami robots: electronic creatures built by simply folding paper (in this case laser-cut cardboard) and adding simple electronics and engineering on top. It sounded too cool to be true. Yet, after hearing the pitch from Dash Robotics, I found myself convinced that the technology had the potential to not only perform successfully in the marketplace at a decent price point, but could do so at a commercial scale that “cheap robots” have never before achieved. Dash Robotics was founded at UC Berkeley by four Ph.D. students with a simple mission — to make robots cheap, lightweight, and fun to use. The breakthrough came when one of the founders realized that robot joints could be mechanically engineered and constructed in a completely different way. Traditionally, robots large and small have come with lots of parts. Metal parts, plastic parts, pins and screws and joints that all have to be cast or injection molded, usually one by one. This adds cost and weight and rigidity, and that’s what makes building robots so expensive. The entry price point for even the simplest toy robot starts around $300 to $400. But Dash Robotics turned all that painstaking manufacturing on its head by turning to cheap, strong and flexible cardboard. Using paper rather than plastic or metal parts meant that only glue was needed to hold the structure together. Designing the cutouts into one flat sheet of cardboard meant that the cost of goods were barely a cost at all. And including a cheap, off-the-shelf rechargeable motor that can be wirelessly controlled with a small handheld remote helped keep further engineering costs to a minimum. Voila! cheap robot. One that Dash estimates can sell for between $35 to $50, yet could possibly be manufactured for a fraction of that price. Moreover, these robots (they look and act like insects, legs and all) are highly mobile and lightweight, allowing them to maneuver in all sorts of directions and even fly when fitted with a pair wings. And if they get smashed (toys will be toys), they don’t cost an arm and a leg to replace.