Problems with my sander - Woodworking Talk - Woodworkers Forum
 
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post #1 of 4 Old 06-16-2010, 05:37 PM Thread Starter
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Problems with my sander

Hi, I recently bought a Hitachi SV13YA 5 Random Orbit Finishing Sander. Everything worked great for the first two days. Now the sander shuts off randomly when Im sanding and after about half and hour it comes back on again. This cycle of switching on and off repeats randomly and today it shut off more than 3 times. Any idea why this is happening?
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post #2 of 4 Old 06-16-2010, 08:06 PM
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I'm not much of an electrician, I don't know if it has a thermal or overload protection shut off or not, the new tools coming out have so much going on inside them today.

Usually the type of action your getting sounds like there may be a loose wire between the trigger and motor. When it shuts off try turning the unit over and around while gently shaking it. If it intermittently jerks on and off its a loose or disconnected wire. If it doesn't try to turn on when flopping it around try a more aggressive shaking while rolling it about.

Still nothing then it could be some kind of overload protection and may be due to a ground. The shut off may need to sit for a while unplugged, if so come back in 10 or so minutes to see if it'll start once plugged in cold. in any case even if it does take it back for a replacement. At least then you can speak with authority

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post #3 of 4 Old 06-17-2010, 07:41 AM
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It does not matter what is happening.

A two day old sander (or any tool for that matter) that malfunctions immediately goes back to the place where it was purchased.

George
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post #4 of 4 Old 06-17-2010, 09:00 AM
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Quote:
Originally Posted by rcsh View Post
Hi, I recently bought a Hitachi SV13YA 5 Random Orbit Finishing Sander. Everything worked great for the first two days. Now the sander shuts off randomly when Im sanding and after about half and hour it comes back on again. This cycle of switching on and off repeats randomly and today it shut off more than 3 times. Any idea why this is happening?
sound like a - thermal sensor If it has one is failling If their was something loose It wouldn't work the same each time If you are using it hard or just using it The aramature create's heat and the current draw all goes thro the thermal sensor Take it back Sound's like a repair Been around this stuff for yrs
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