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Oct 16, 2011 - SOURCE: Meridian Adult 26-Inch 3-Wheel Bike: Schwinn Meridian Tricycle rear brake adjustment... ... Schwinn Meridian Adult 26-Inch... ... Have a manual for Schwinn Meridian Adult 26-Inch 3-Wheel Bike?
For the last few years, dentists have been recommending the use of hard mouth guards to more and more people to treat a variety of difference issues. Mouth guards can be used to ward off TMJ, to curb tooth filing from grinding and even as a replacement for retainers. Hard mouth guards are said to be better than soft ones as they are more ergonomic for your jaw, are longer lasting because they can't be ground down and are less likely to harbor nasty bacteria. Despite the many benefits of soft hard mouth guards, they can be a real doozy to clean.
I know that I personally hated using a soft mouth guard for many years. This is not because it was uncomfortable. It was because I couldn't stand the nightly cleaning regiment and always felt that despite my best efforts, it was left with a foul taste and smell and so I always worried it was loaded with nasty bacteria. Plus, I would grind my teeth so much that I would have to go to the dentist to have a new one fitted at least twice a year.
My favorite part about my new hard mouth guard is that the cleaning process is effortless. All I need to do is buy dissolving denture cleaners. About five minutes before I go to bed, I drop a tablet of Polident or Eferdent into a glass of water containing my mouth guard. If you sit and watch, you can literally see all the grime being pulled off. After the tablet has completely dissolved, I let the mouth guard rest for a minute in the blue solution and then quickly wash it off under running water. Now I can go to bed feeling that my mouth guard is clean, my breath is fresh and my teeth and jaw are protected from nocturnal grinding.
Never heard of this brand of saw. A Google search indicates that MacAllister only makes big earth moving equipment. Otherwise, most saws have an appropriate washer and retaining clip that holds the guard on. And you'll need the original spring to return the guard to the closed position every time you use it. Then there are two shaped washers that fit on the armature that have a 5/8" shoulder to fit a normal saw blade. Finally there is the nut that holds everything on. Hope you didn't lose all these parts. If you did, go to eReplacementparts.com and and enter your make and model. If they don't have what you need you might be plum out of luck. But a new saw.
You may be able to salvage the torsion spring that is there. Sometimes the end will break off and you can bend yourself a new end and just stick it back into the retaining hole in the housing or guard. There may be damage to the guard which will not allow you to just bend the spring to make a new joint. Either way, you need to know what you are dealing with. First remove the blade if you haven't done so already. Then remove the bumper (rubber piece) that stops the guard from returning too far. Next you will need a pick or a small flat head screwdriver. Look around the hub and you will notice a retaining ring. You will have to use the pick or screwdriver to get the ring started. Look for a little tab around the perimeter of the hub. You will have to work that tab out and make sure you keep your pick or screwdriver under it. Then work it around and off the hub. Then you can remove the guard from the hub. The spring is located under the guard and is a torsion spring. Look for damage to the guard and the housing as well as the spring. If there is any question to the integrity of the guard you should replace it. The part number for the torsion spring is 612517-00 ($1.50), the retaining ring is 150383-00 ($1.50) just in case you break it, and the guard number is 611925-00 ($6). If you have any questions please post back.
I am assuming that you have some type circular saw?
Most popular saws use a spring to return the guard,with the saw unplugged raise the guard and see if the spring is there(you may need to take off the blade) if it is not there,replace with proper spring.one end of the spring will hook onto the fixed 1/2 of the guard the other to the front of the moving guard(consult manual if possible).once this is done insure that the guard mover freely and is not in the way of the blade.Replace the blade in proper direction check guard again for proper travel,make sure everything has been re-tightened .
If the spring is there check for material build-up or debris that is causing
guard not to move,remove blade clean debris or obstruction,replace blade and check for proper operation.Also visually inspect where the moving guard is attached to the saw for any unusual marks or wear this could be a sign that some type of unsafe situation exists,if this happens refer to a pro to fix or buy new never use a saw without a properly working guard,it took 141 stitches to repair my friends leg.