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10th February 2014, 02:00 PM #1Retired
- Join Date
- May 2012
- Location
- Canberra
- Posts
- 1,529
Laguna suv14 tension guage not working
Hi all,
I have a new SUV14. It's a beast.
On Saturday during setup I unwound the tension knob more than I apparently was supposed to. The tension guage feeler slipped out and it fell to zero.
Looking inside with a torch, it would seem that the needles end only rests on a washer. I undid the two small screws that hold the assembly/bracket to the main body and put the feeler under the washer, but it doesn't seem to move in any appreciable way when I turn the tension handle....or worse still, the wrong way!
Does anyone have any experience with this? Or know how the machism actually works? I don't mind pulling off the top plate but I'll wait for wisdom first.
Also, as another matter, the tension knob at the top also deflects quite a bit when turning the big tensioner handle. Is this normal?
(I have nothing to report regarding the capacities as I'm still acquiring the skills needed to use the big Resaw blade properly)
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10th February 2014, 04:17 PM #2GOLD MEMBER
- Join Date
- Jun 2003
- Location
- Sunbury, Vic
- Age
- 85
- Posts
- 2,103
Perhaps the best wisdom would come from the retailer or distributor.
Tom
"It's good enough" is low aim
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11th February 2014, 02:45 AM #3Retired
- Join Date
- May 2012
- Location
- Canberra
- Posts
- 1,529
Ended up pulling it open.
Calling it a tension guage is a bit rich. It should be called an "Arbitrary Needle That Rests Under A Washer".
There's is no strain guage or anything pseudo-engineering.... No, it's a spring to apply pressure to the wheel mechanism below, a squared washer on top and a small hook simply sits under the washer.
It's incapable of measuring anything other than an arbitrary location from the time you decide to stop winding the wheel raising knob to the time you turn the large lever. Even this is compromised for if the blade is shorter than about 125" it will simply register "maximum" (what ever that may be) as it simply cannot move further.
Terrible terrible design.
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8th May 2014, 12:40 AM #4GOLD MEMBER
- Join Date
- Apr 2012
- Location
- Sydney
- Posts
- 1,488
Mine has never worked. Just hangs limply.
Didnt see a real need for it so I left it.
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8th May 2014, 07:31 AM #5Novice
- Join Date
- May 2014
- Location
- United Kingdom
- Posts
- 11
As mentioed above, the guages are only there as a rough, very rough guide and cannot be relied upon for settings.
If you have tuned your new bandsaw in the way you should, like the following, https://www.youtube.com/watch?v=wGbZqWac0jU
Then it should sing. Tension is how the blade feels and sounds and you will soon get used to what is right.
Good luck with it, you have a great bandsaw there.
Malcolm