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Dewalt 788 lifter


John10ey

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Steve Good designed a wooden weightlifter, both male and female to hold up the arm plus there are a half a dozen other ways of doing it.  I use a block of wood for that when I need it.  Some tighten one of the pivot bolts until arm stays in place, some install that arm lifter.  Each to their own.

 

DW 

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There's nothing wrong with using a block or piece of wood to hold up the arm, but for me is unnecessary. I am a top feeder. I have no reason to hold the arm up mechanically to change a blade or to feed it into the next hole.

To change a blade I just feed the blade through the fret hole, then the table hole, then mount it to the top blade clamp. Then mount the blade to the bottom clamp and tension. No need to raise the arm.

To change to another fret hole, release the tension, release the bottom blade clamp. With one hand raise the upper arm, move the blank into position, let gravity lower the upper arm while guiding the blade into the hole with the other hand. Then tighten the blade clamp and add tension. It take longer to explain it than to actually do it!

This process work well for most fret work but may not work well when using spiral blades with very tiny holes.

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Good for you  IKE, That's using the ol hat rack.I've thought about doing it even though i already have something to hold the arm up  that's factory made  i just can't remember the name of it. Even fastening a piece of something on top of the top arm from front to beyond the back ,weighted at the end to cause the arm to stay up will work easy enough.

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Good for you  IKE, That's using the ol hat rack.I've thought about doing it even though i already have something to hold the arm up  that's factory made  i just can't remember the name of it. Even fastening a piece of something on top of the top arm from front to beyond the back ,weighted at the end to cause the arm to stay up will work easy enough.

 

By any chance is it the Jim Dandy?  

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There's nothing wrong with using a block or piece of wood to hold up the arm, but for me is unnecessary. I am a top feeder. I have no reason to hold the arm up mechanically to change a blade or to feed it into the next hole.

To change a blade I just feed the blade through the fret hole, then the table hole, then mount it to the top blade clamp. Then mount the blade to the bottom clamp and tension. No need to raise the arm.

To change to another fret hole, release the tension, release the bottom blade clamp. With one hand raise the upper arm, move the blank into position, let gravity lower the upper arm while guiding the blade into the hole with the other hand. Then tighten the blade clamp and add tension. It take longer to explain it than to actually do it!

This process work well for most fret work but may not work well when using spiral blades with very tiny holes.

Hmmm... on the Dewalt dealing with the bottom clamp requires sticking my head underneath. I've been reducing the tension, loosen the top clamp and threading through the hole. Have to bend the blade somewhat but it's not been a problem. Then tighten the tension. The only time I use the block to hold up the arm is if the piece makes it awkward to thread into the hole.

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Hmmm... on the Dewalt dealing with the bottom clamp requires sticking my head underneath. I've been reducing the tension, loosen the top clamp and threading through the hole. Have to bend the blade somewhat but it's not been a problem. Then tighten the tension. The only time I use the block to hold up the arm is if the piece makes it awkward to thread into the hole.

John there is a short learning curve but I do the bottom clamping totally by feel.  Trust me. If I can do it anyone can. To make the process easier be sure to remove the bottom guard.  IMHO it is a useless piece of metal anyway.

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John there is a short learning curve but I do the bottom clamping totally by feel.  Trust me. If I can do it anyone can. To make the process easier be sure to remove the bottom guard.  IMHO it is a useless piece of metal anyway.

Removing the guard?  Amen!  Two thumbs up!

As for the short learning curve on the bottom clamp - Well, when I first got my saw I decided I was going to learn to use the bottom clamp and learn to do it quickly by feel.  I was doing more fretwork then.  It took a couple of sessions but before long I was one handing the release/attach/ tighten and proceed to cut without even thinking about it.  Just decide you want to do it and practice.  Once it becomes second nature you'll wonder why you thought it was difficult.   :cool:

Edited by Southern Scroller
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I use a plastic pill bottle under my arm as a lift. Also made a small hole in the top for a string that is attached to the saw so when I drop it I'm not chasing it around the shop floor.

Good idea.  With the cost of prescriptions drugs these days, you need to get something more out of them!! 

Sorry, editorial on big phama.  Getting off my soap box new.

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