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Summary: The trigger feature of buffer machines is discussed in this free educational video series.
Matthew Christian is a certified building contractor in Florida with skills in real estate, remodeling and landscaping. He also holds a degree in electronics.read more
"Hi my name is Matthew Christian from Tampa, Florida and on behalf of Expert Village. Today we are going to talk about the proper use of a high speed polish machine. As we have mentioned earlier there are varieties manufactures and models of high speed polishers. Again they are pretty much mostly the same but one main difference that you would notice is some of the triggers are variable speed and some are on off. This particular model has one speed; on and off. Again some are variable speed meaning the degree that you pull the trigger determines the speed that it will work. But again this one is just a straight on and off. In assistance where you have a buffer with a non variable trigger you may be in some siltation using the polisher that you need a slower speed rather than full tilt. In this case you can flick the trigger like so to keep the speed down to a minimum rather than full on. Another feature that many buffers have is a lock and what you can do is push the trigger down. Press again to release. I don't recommend using this locking feature in my option it is a safety hazard. Should the machine get caught on something it could be a potential hazard because you are struggling to find the off trigger. While we are in the subject of safety once again notice I'm wearing an apron. One thing to be careful is not to let your apron ties be dangling low you would not want a wireless earphone piece that might be dangling. Any item that might get caught inside this buffer that could cause some serious injures. So be sure there is nothing on your person that could get caught in the machine. "
eHow Article: Understand the Trigger of a Buffing Machine