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Author Topic: Frick 00 Circle Saw  (Read 2166 times)

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Offline Rigg

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Re: Frick 00 Circle Saw
« Reply #20 on: January 02, 2018, 11:21:56 AM »
Thanks for all the replies.  Try to answer questions.

Planning on building a shed next.  Thought I'd have it done over the summer, but time flies.

I'll build a box for the PTO.  There used to be a box for it.  However, no one is really near it the way its set up on a hill above the offbearer.

I think the PTO just bolts directly to the mandrel.  I always assumed that engine was like a tractor if it was turning 1800 rpm or whatever, the PTO should be turning 540 rpm.  Its set up just like the previous owner had it.  He just hadn't run it in awhile and I haven't run it much either since I've got it going. 

I had that engine sitting almost a year and it fired right up so it needs a little maintenance.

Offline Gearbox

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Re: Frick 00 Circle Saw
« Reply #21 on: January 02, 2018, 03:01:49 PM »
See if you can get it to idle low enough to get the blade to wobble . then come up from there . let us know what happens .
A bunch of chainsaws a BT6870 processer , TC 5 International track skidder and not near enough time

Offline bandmiller2

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Re: Frick 00 Circle Saw
« Reply #22 on: January 02, 2018, 03:13:58 PM »
As Corley mentioned your running the engine too slowly probably half speed. To realize the engines potential you will need to belt it so the engine is in its power band and that can't be done direct drive. Frank C.
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Offline dgdrls

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Re: Frick 00 Circle Saw
« Reply #23 on: January 02, 2018, 07:11:51 PM »
Looked at the video again,  hard to be certain but right around 7:20 in the video it looks like the output shaft is not in line with the blade,  also, there appears to be wood covers with letters
covering????  (pulleys?) 

Also what the additional lever with the knob on it for, next to the carriage F&R lever ?

D




Offline loganworks2

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Re: Frick 00 Circle Saw
« Reply #24 on: January 02, 2018, 08:09:06 PM »
If you look at .18 seconds and again @ .29 you can see that the drive shaft enters the box cover near the right end of the cover. Then there is a second shaft near the left end of the cover that apears to be the saw blade shaft.

Offline Rigg

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Re: Frick 00 Circle Saw
« Reply #25 on: January 02, 2018, 09:05:20 PM »
Yes, you guys are right.  I had forgotten.

I took the cover off today.  The PTO shaft runs in and then V belts over to the pulley on the mandrel.  Not sure the diameter off hand at least 12 inches or more.  Looks like at least a 3:1 ratio.

The other lever with the knob is for the log turner.

Online Corley5

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Re: Frick 00 Circle Saw
« Reply #26 on: January 02, 2018, 09:20:42 PM »
That ratio would be right for that engine rated at 1,400 RPMs.  Is the engine running at that speed ???
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Offline Rigg

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Re: Frick 00 Circle Saw
« Reply #27 on: January 02, 2018, 09:34:22 PM »
Not sure.  Going to clean the air filter, change fuel filters and go from there.  Was 0 here this morning.  Hate to start old engines in this weather.  And had broken pipes to fix today.

Offline Gearbox

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Re: Frick 00 Circle Saw
« Reply #28 on: January 02, 2018, 09:54:53 PM »
That will change things .
A bunch of chainsaws a BT6870 processer , TC 5 International track skidder and not near enough time

Online Corley5

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Re: Frick 00 Circle Saw
« Reply #29 on: January 03, 2018, 08:15:01 AM »
I think you'll find that new fuel filters will make a BIG difference :) 
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Offline moodnacreek

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Re: Frick 00 Circle Saw
« Reply #30 on: January 03, 2018, 08:32:51 AM »
So you do have a speed reduction. This is good.  If you can get the engine to perform and the mandrel and collars are good, it's going to be small inexpensive things to figure out and fix. The filing and lead are very important on any sawmill.

Offline dgdrls

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Re: Frick 00 Circle Saw
« Reply #31 on: January 03, 2018, 06:16:43 PM »
Good news Rig,

when you go back to the mill measure all your pulleys'
and if you can, get a tachometer reading on the motor
when you have it running well.  This will allow you to
compute your true blade Surface Feet Per Minute.

Also how many teeth?

Assuming 1400 RPM and a 3.1 reduction= 467 RPM. 
I believe that is too slow (5866 SFPM).

good luck,

D






Offline Rigg

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Re: Frick 00 Circle Saw
« Reply #32 on: January 03, 2018, 06:41:33 PM »
Ok, so cleaned the air cleaner out tonight.  Was pretty filthy.  Didn't try to run it yet. 

Next will be change oil and do the fuel filters.

The pulley coming off of the pto shaft is about a 7 3/4 to 7 7/8 diameter.  This is connected to the pulley on the mandrel by a 3 rib V belt.  That pulley is about 20 1/2 inches.    So I'm figuring (correct me if I'm wrong) is about a 2.6:1 ratio. 

So the engine should run 1400 rpm and the saw 538 rpm or close to 540 rpm.  Does this sound right?

Is a 3 rib belt good enough for the power?   Thought I read somewhere you needed one belt for every 20 hp. If my engine has 75 or so hp does it need 4 belts?

Offline moodnacreek

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Re: Frick 00 Circle Saw
« Reply #33 on: January 03, 2018, 06:52:22 PM »
That is too slow especially for a 48" saw With a lot of teeth. However in the old days they would run even slower because of lack of power. I have sawed with less than 40 hp, slow speed and slow feed.  The hardest part is getting a saw hammered stiff enough to go slow [down to 250 rpm] but that's what they used to do.

Offline Kbeitz

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Re: Frick 00 Circle Saw
« Reply #34 on: January 03, 2018, 06:54:09 PM »
What about removing every 3rd or 4th tooth from the saw ?
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Offline moodnacreek

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Re: Frick 00 Circle Saw
« Reply #35 on: January 03, 2018, 07:02:22 PM »
Oh boy, not enough belts and small pulleys.  I run 6 C belts on a 9" driving a 24"  with 75 hp  electric.  75 hp diesel is not the same and you could get by with 4 C belts with at least a 9"  driver. Now that the pulleys are made in China they are much less expensive than formally.

Offline moodnacreek

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Re: Frick 00 Circle Saw
« Reply #36 on: January 03, 2018, 07:07:40 PM »
      Or put every other tooth in new. [considering they will be longer]  This will double the power but the saw will tend to dodge knots and other tough spots in the log.                           

Offline Rigg

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Re: Frick 00 Circle Saw
« Reply #37 on: January 03, 2018, 08:34:06 PM »
What speed does it need to be?

I have a couple other saw blades.  They are 2 1/2 style though.  I know one is a 48 inch with 44 teeth.

Every one I've talked to says that a 48 inch blade with 48 teeth is strange at least around here.  Most would have had a lot less teeth.  What is that blade supposed to be used with?

If I put a bigger pulley on the mandrel with 4 -6 grooves in it can I put a Detroit on it?   A guy not far from me has a 3-71 with a 3:1 advantage with 4 belts. Obviously, his saws a lot faster.


Offline Rigg

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Re: Frick 00 Circle Saw
« Reply #38 on: January 03, 2018, 08:35:55 PM »
What kind of tach do I need exactly?

Offline Southside logger

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Re: Frick 00 Circle Saw
« Reply #39 on: January 03, 2018, 08:46:34 PM »
I have one that is pretty simple to use.  Just attach a small square of reflective tape to the drive shaft, turn on the unit and point it at the shaft.  It would work on your saw blade just the same. The flashing light bounces off the tape and gives you a digital readout of the RPM. 

There are also Apps that kind of replicate the same thing using the LED on your phone, not quite as good as an actual tach, but it would probably get you an pretty good idea of where you are at. 
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