Author Topic: Updated TS-55 machines, sans riving knife.....  (Read 4245 times)

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Offline Chainring

  • Posts: 79
Re: Updated TS-55 machines, sans riving knife.....
« Reply #30 on: April 09, 2021, 11:15 AM »
What do you mean by "12 on the variable speed control" ? Just interested as i have a TSC 55K here in front of me.
I'm feeling silly now.

Under "Speed control" on page 25 of the TSC 55K manual, there's an entry with "[1-12]". Yeah, you can see where that's going. Okay, 10 it is!

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Offline mino

  • Posts: 514
Re: Updated TS-55 machines, sans riving knife.....
« Reply #31 on: April 09, 2021, 01:05 PM »
...
Ultimately though, to be sure, someone here with a CMS TS module and the TS 55 F would need to confirm, or I would need to do a careful review of the EKAT technical drawings, which on a Friday afternoon I'm pretty much loathe to do ;-)
You will also need to file the CMS knife - the new riving knife will be 1.7ish mm thick for 1.8 blades while the old one is 2.1mm for 2.2 blades, same as the CMS knife.

Once filed, you can likely use the 2.2 blades even with thinner knife. But either way you will be in "unsupported" territory. Much better just get a used TS55 R once they are no longer for sale.
The Machine does not have a brain. Use Yours!
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AGC 18@AGC 125 flange, BHC 18, C 12, CTM 36, DRC 18/4, PSC 420, RS 200, TSC 55
Protool: AGP 125, VCP 260
Narex: EDH 82, EFH 36@LR32, EVP 13 H-2CA, S 57 A
My Precious: 376, 376, 376 holy, 632, 1016 holy, 1400 holy, 2400, GECKO, GRS 16 PE, GRS 16 PE

Offline FestitaMakool

  • Posts: 1010
Re: Updated TS-55 machines, sans riving knife.....
« Reply #32 on: April 14, 2021, 08:05 AM »
...
Ultimately though, to be sure, someone here with a CMS TS module and the TS 55 F would need to confirm, or I would need to do a careful review of the EKAT technical drawings, which on a Friday afternoon I'm pretty much loathe to do ;-)
You will also need to file the CMS knife - the new riving knife will be 1.7ish mm thick for 1.8 blades while the old one is 2.1mm for 2.2 blades, same as the CMS knife.

Once filed, you can likely use the 2.2 blades even with thinner knife. But either way you will be in "unsupported" territory. Much better just get a used TS55 R once they are no longer for sale.

I’d like to share blades with my HKC, so if filing the riving knife is what it takes I’ll do it. (Or likely go to a metal shop to have it done) The TS 55F still has a onboard riving knife wich will be active in the module anyway, the miss out would be the blade/dc guard.
“The Stig” Yes, it is true, at least some part of it..
“If you have an old Land Rover and a fit wife, you’re most likely always busy”

Offline Bert Vanderveen

  • Posts: 814
Re: Updated TS-55 machines, sans riving knife.....
« Reply #33 on: April 14, 2021, 08:35 AM »
In an emailing I got today from FS Netherlands they are pretty clear about using the thinner blades on the older machines.

Kunnen de zaagbladen met 1,8 mm zaagbreedte op de invalcirkelzagen TS 55 R en TSC 55 gebruikt worden?
Nee, omdat het spouwmes van de TS 55 R en de TSC 55 breder is (2,2 mm dikte) dan de dikte van de nieuwe zaagbladen (1,8 mm dikte).

Kan het spouwmes van de TS 55 R en TSC 55 gewijzigd worden zodat de nieuwe zaagbladen (1,8 mm zaagbreedte) gebruikt kunnen worden?
Dit is om technische veiligheidsredenen niet mogelijk.

Translated: 1st item — thinner blades can not be used on older machines bc riving knife is thicker.
2d item — bc of techn safety reasons the riving knives of the older machines can not be adapted with the intention of using the thinner blades.


Pretty sure you’ll void your warranty if you mess around with the riving knife.
Cheers, Bert Vanderveen

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Online Cheese

  • Posts: 8736
Re: Updated TS-55 machines, sans riving knife.....
« Reply #34 on: April 14, 2021, 08:50 AM »
I’d like to share blades with my HKC, so if filing the riving knife is what it takes I’ll do it. (Or likely go to a metal shop to have it done)

Wouldn't that be nice.  [big grin]

I'd be able to share blades with my HKC, TSC and MT 55.  [cool]  I'm wondering if a person couldn't just take a belt sander to the knife ?  There only needs to be .006"/.007" of material removed from each side. Even a RAS with some Sapphire P80 could possibly work well.

Offline mino

  • Posts: 514
Re: Updated TS-55 machines, sans riving knife.....
« Reply #35 on: April 14, 2021, 08:56 AM »
In an emailing I got today from FS Netherlands they are pretty clear about using the thinner blades on the older machines.

Kunnen de zaagbladen met 1,8 mm zaagbreedte op de invalcirkelzagen TS 55 R en TSC 55 gebruikt worden?
Nee, omdat het spouwmes van de TS 55 R en de TSC 55 breder is (2,2 mm dikte) dan de dikte van de nieuwe zaagbladen (1,8 mm dikte).

Kan het spouwmes van de TS 55 R en TSC 55 gewijzigd worden zodat de nieuwe zaagbladen (1,8 mm zaagbreedte) gebruikt kunnen worden?
Dit is om technische veiligheidsredenen niet mogelijk.

Translated: 1st item — thinner blades can not be used on older machines bc riving knife is thicker.
2d item — bc of techn safety reasons the riving knives of the older machines can not be adapted with the intention of using the thinner blades.


Pretty sure you’ll void your warranty if you mess around with the riving knife.

What they did not say (likely intentionally) is:
3) if they will introduce a retrofit kit which would include replacing the knife with a certified one converting the saw to a 1.8 mm tool.
That is legally and technically doable and IMO Festool should do it. The cost of re-certification would have to be included in the price but I am sure at €100-ish kit price there will still be enough buyers for the certification costs to be recouped by Festool.

Ref. 2) they cannot say anything else, as by regulations ANY safety-related modification is prohibited without a full re-certification fot he tool. Even if it improved safety in practice ...
If someone did such a modification for his private use, in case of an accident it will be investigated if the modification *could* have caused or allowed the accident. Not "did", but "could". If yes, and the injured party was not the same person who modified the tool, then the one who modified will be legally liable for malevolence. In any case an insurance company would refuse to pay and would most likely bring up a suit against the tool owner instead.

In this context, even removing riving knife would be legally "safer" as a removed knife is recognizable while a filed one can be seen as a "purposefully hidden fault" etc. etc.
« Last Edit: April 14, 2021, 09:00 AM by mino »
The Machine does not have a brain. Use Yours!
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AGC 18@AGC 125 flange, BHC 18, C 12, CTM 36, DRC 18/4, PSC 420, RS 200, TSC 55
Protool: AGP 125, VCP 260
Narex: EDH 82, EFH 36@LR32, EVP 13 H-2CA, S 57 A
My Precious: 376, 376, 376 holy, 632, 1016 holy, 1400 holy, 2400, GECKO, GRS 16 PE, GRS 16 PE

Offline Michael Kellough

  • Posts: 5265
Re: Updated TS-55 machines, sans riving knife.....
« Reply #36 on: April 14, 2021, 10:42 AM »
I’d like to share blades with my HKC, so if filing the riving knife is what it takes I’ll do it. (Or likely go to a metal shop to have it done)

Wouldn't that be nice.  [big grin]

I'd be able to share blades with my HKC, TSC and MT 55.  [cool]  I'm wondering if a person couldn't just take a belt sander to the knife ?  There only needs to be .006"/.007" of material removed from each side. Even a RAS with some Sapphire P80 could possibly work well.

Might not be the same on both sides. Depends on how far the tooth projects from the blade disk.

Would probably need to adjust blade/splinter guard distance for the saws that you install different (than original) blades as well.

Offline mino

  • Posts: 514
Re: Updated TS-55 machines, sans riving knife.....
« Reply #37 on: April 14, 2021, 11:16 AM »
I’d like to share blades with my HKC, so if filing the riving knife is what it takes I’ll do it. (Or likely go to a metal shop to have it done)

Wouldn't that be nice.  [big grin]

I'd be able to share blades with my HKC, TSC and MT 55.  [cool]  I'm wondering if a person couldn't just take a belt sander to the knife ?  There only needs to be .006"/.007" of material removed from each side. Even a RAS with some Sapphire P80 could possibly work well.

Might not be the same on both sides. Depends on how far the tooth projects from the blade disk.

Would probably need to adjust blade/splinter guard distance for the saws that you install different (than original) blades as well.
The knife "saw" side is aligned/coplanar with the "saw" side of the blade so only the "outer" side of a 1.8 kerf compatible knife will need to have less material.

Either case, if you -need- to use thinner blades, I would advise to rather remove the knife in preference to making it thinner per above legal aspects. Then also other blades - like the affordable CMT 1.7/1.1 contractor ones - come to play. These are great for having the same cut line as the 2.2/1.6 blades from Festool have.

We have a Parkside tracksaw in the shop use for rough work and it does not have a knife and is approved in Germany all the same. There is nothing special with it, would say the Festool plunging spring is even stronger if anything so more safe there.


IMO for tracksaw use with a rail the riving knife is a Good Thing(TM) but not really a must have. For off-rail or free-hand use one actually wants the thicker blades for more stability.

What I have also noticed with my TSC is that the over-current protection will kick-in BEFORE the saw gets pulled out of the cut. So even without a riving knife and without the new sensor at least the TSC should be pretty safe all things considered.
The Machine does not have a brain. Use Yours!
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AGC 18@AGC 125 flange, BHC 18, C 12, CTM 36, DRC 18/4, PSC 420, RS 200, TSC 55
Protool: AGP 125, VCP 260
Narex: EDH 82, EFH 36@LR32, EVP 13 H-2CA, S 57 A
My Precious: 376, 376, 376 holy, 632, 1016 holy, 1400 holy, 2400, GECKO, GRS 16 PE, GRS 16 PE