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#1
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
I have an old Rockwell 34-410 contractor saw (later sold by Delta) and I am
having one HECK of a time aligning the fence parallel to the blade. I have tried loosening all of the bolts on the top of the fence, pushing it the way I want to adjust it, and then tightening the bolts. No matter what I do the rear of the fence is 20-30 thousandths closer to the blade than the front. Naturally this makes cutting cleanly a problem. So my questions are; How do I adjust this thing? Does anyone know the model number (so I can find a manual?) if you reply by email (thanks!) please remove SPAMNOT from my email pictures attached. |
#2
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
AndyB wrote:
I have an old Rockwell 34-410 contractor saw (later sold by Delta) and I am having one HECK of a time aligning the fence parallel to the blade. I have tried loosening all of the bolts on the top of the fence, pushing it the way I want to adjust it, and then tightening the bolts. No matter what I do the rear of the fence is 20-30 thousandths closer to the blade than the front. Naturally this makes cutting cleanly a problem. So my questions are; How do I adjust this thing? Does anyone know the model number (so I can find a manual?) I have a different Rockwell saw, but my top is attached to the base by four bolts at the corners - you can catch a glimpse by clicking on the third photo from the bottom at http://www.iedu.com/DeSoto/Projects/OutfeedTable/ I loosened all four bolts and tightened one to "snug" to be a pivot point for the table top, and tightened the other three just enough to not offer a _slight_ resistance to movement. At that point I started "nudging" the top (and rails and fence) into alignment with a wood block and a light ball peen hammer. When it seemed just where it needed to be, I tightened all the bolts a bit and re-checked (re-nudged, checked, tightened more, etc). It took about an hour, but when I was done it was dead-on accurate. If you take this approach, I'd suggest leaving your table insert in place so you can be sure of blade clearance. I didn't, so I ended up doing the job twice. -- Morris Dovey DeSoto Solar DeSoto, Iowa USA http://www.iedu.com/DeSoto/ |
#3
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
"Morris Dovey" wrote in message ... AndyB wrote: I loosened all four bolts and tightened one to "snug" to be a pivot point for the table top, and tightened the other three just enough to not offer a _slight_ resistance to movement. At that point I started "nudging" the top (and rails and fence) into alignment with a wood block and a light ball peen hammer. When it seemed just where it needed to be, I tightened all the bolts a bit and re-checked (re-nudged, checked, tightened more, etc). It took about an hour, but when I was done it was dead-on accurate. Out of curiosity, were your miter slots not parallel to the blade also? If they were I'd be inclined to shim the rails to adjust the fence to the blade... John |
#4
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
John Grossbohlin wrote:
"Morris Dovey" wrote in message ... AndyB wrote: I loosened all four bolts and tightened one to "snug" to be a pivot point for the table top, and tightened the other three just enough to not offer a _slight_ resistance to movement. At that point I started "nudging" the top (and rails and fence) into alignment with a wood block and a light ball peen hammer. When it seemed just where it needed to be, I tightened all the bolts a bit and re-checked (re-nudged, checked, tightened more, etc). It took about an hour, but when I was done it was dead-on accurate. Out of curiosity, were your miter slots not parallel to the blade also? If they were I'd be inclined to shim the rails to adjust the fence to the blade... I'd removed the top for a move (storage to present rented shop space), so everything was unaligned. I aligned the top to the blade using a miter slot as the reference. Immediately after the move I went out and bought the Incra rail/fence kit - and found that the Incra design made fence alignment trivially easy. You're right, though. If the slots are already parallel to the blade, then shims at diagonally opposite rail stand-offs are probably a good way to go. I didn't have that problem, and don't know if I was just lucky or if Delta did a really good job (I've always assumed the latter) because this is the only table saw I've ever owned (or used). -- Morris Dovey DeSoto Solar DeSoto, Iowa USA http://www.iedu.com/DeSoto/ |
#5
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
"John Grossbohlin" wrote in
m: Out of curiosity, were your miter slots not parallel to the blade also? If they were I'd be inclined to shim the rails to adjust the fence to the blade... John I have confirmed that the slots in the table are parallel to the blade using a dial indicator and a sliding jig. the only thing left is the fence. |
#6
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
"AndyB" wrote in message ... "John Grossbohlin" wrote in m: Out of curiosity, were your miter slots not parallel to the blade also? If they were I'd be inclined to shim the rails to adjust the fence to the blade... John I have confirmed that the slots in the table are parallel to the blade using a dial indicator and a sliding jig. the only thing left is the fence. That would suggest that the mounting studs be shimmed to change the relationship of the fence rail to the table... John |
#7
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
On 25 Jan 2009 19:58:06 GMT, AndyB
wrote: I have confirmed that the slots in the table are parallel to the blade using a dial indicator and a sliding jig. the only thing left is the fence. Or the rails. We used those fences for years and crooked rails can be a cause of this problem. You might try to loosen the slotted rod at the front edge of the fence. This will loosen the grabber at the back of the fence. Loosen it enough so the back grabber doesn't do anything when you have the fence snugged down tight at the front. Next, move the fence a few inches from the slot and with the front of the Tsquare part of the fence snugged tight (push down on the handle), loosen the two bolts on the top of the fence. Adjust the fence to be parallel with your miter guage slot at the front and back and re-tighten. This is assuming the you have the blade aligned with the slot. At this point the front is still clamped to the front rail. Now you know that the fence is good in that position on the rails. Now slide the fence around on the rail and snug it down and measure again. If the fence is not good at other locations on the rail then you probably have a crooked front rail. As has been suggested shim at the rail bolts to try to make the front rail straight. Once you get the rail straight re-check the fence in various locations. You may also want to check the back rail with a staight edge. While the back rail isn't quite as critical as the front, it can still throw the fence off when you tighten down if it's not straight. Lastly, you want to adjust the back grabber. The front of the fence should tighten down slightly before the back grabber does. Turn the slotted bolt at the front of the fence to adjust the back grabber. A couple things you maight also check are the fence itself. Make sure it's straight. The other is the grabber bar at the back. Just eyeball the grabber and make sure it runs pretty straight in line with the middle of the fence. If the grabber bar has been significantly bent (to one side or the other) it will push the fence very time you tighten it. That's about all I can think of now. You've probably already noticed that a lot of those fences get replaced with other fence systems. You can make the factory Jet-Lock work but they can be a little tricky at times. Mike O. |
#8
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
Wow, Mike, thanks for the detailed response. I was able to shim the rail slightly and fix the problem. Thanks a million. Mike wrote in : On 25 Jan 2009 19:58:06 GMT, AndyB wrote: I have confirmed that the slots in the table are parallel to the blade using a dial indicator and a sliding jig. the only thing left is the fence. Or the rails. We used those fences for years and crooked rails can be a cause of this problem. You might try to loosen the slotted rod at the front edge of the fence. This will loosen the grabber at the back of the fence. Loosen it enough so the back grabber doesn't do anything when you have the fence snugged down tight at the front. Next, move the fence a few inches from the slot and with the front of the Tsquare part of the fence snugged tight (push down on the handle), loosen the two bolts on the top of the fence. Adjust the fence to be parallel with your miter guage slot at the front and back and re-tighten. This is assuming the you have the blade aligned with the slot. At this point the front is still clamped to the front rail. Now you know that the fence is good in that position on the rails. |
#9
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
On 25 Jan 2009 19:58:06 GMT, AndyB
wrote: Out of curiosity, were your miter slots not parallel to the blade also? If they were I'd be inclined to shim the rails to adjust the fence to the blade... John I have confirmed that the slots in the table are parallel to the blade using a dial indicator and a sliding jig. the only thing left is the fence. Here is a link to a pdf from OWWM that shows the fence adjustment. This is not your saw but the fence is basically the same. http://owwm.com/pubs/1141/537.pdf Mike O. |
#10
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
Thanks |
#11
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
On 25 Jan 2009 18:14:31 GMT, AndyB
wrote: I have an old Rockwell 34-410 contractor saw (later sold by Delta) and I am having one HECK of a time aligning the fence parallel to the blade. I have tried loosening all of the bolts on the top of the fence, pushing it the way I want to adjust it, and then tightening the bolts. No matter what I do the rear of the fence is 20-30 thousandths closer to the blade than the front. Naturally this makes cutting cleanly a problem. So my questions are; How do I adjust this thing? Does anyone know the model number (so I can find a manual?) if you reply by email (thanks!) please remove SPAMNOT from my email pictures attached. check the fence rail. is it strait? is it paralel with the table or square with the blade? my unisaw came with that fence but the rail was not strait therefore the fence would not true up. got a biesmeyer and never looked back. skeez |
#12
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
skeez wrote in
: check the fence rail. is it strait? is it paralel with the table or square with the blade? my unisaw came with that fence but the rail was not strait therefore the fence would not true up. got a biesmeyer and never looked back. skeez The thought of an aftermarket fence has been on my mind. However, I am also considering (in the slightly more distant future) a full cabinet saw (which will come with a better fence). As it is, I have re-wired this contractor saw for 220V operation, but I sometimes have power issues. (I do mission style furniture and end up cutting thick oak frequently) I was able to shim the rail, and that will keep me going for now. |
#13
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Can't align my Delta table saw fence. Help Me please. - 2 attachments
Andy,
You are trying to align the wrong parts to each other. You should align the blade to the miter slot, not to the fence. Then align the fence to the miter slot, not to the blade. The only non-adjustable component is the miter slot and that is what you need to adjust everything to. G.S. On 25 Jan 2009 18:14:31 GMT, AndyB wrote: I have an old Rockwell 34-410 contractor saw (later sold by Delta) and I am having one HECK of a time aligning the fence parallel to the blade. |
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