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Author Topic: TIMBCO down!  (Read 3689 times)

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Offline rusticretreater

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Re: TIMBCO down!
« Reply #40 on: March 16, 2022, 06:17:59 PM »
I typed that badly.  The part at the end is the internal part of the solenoid. The mounting blocks are the flat surfaces on the solenoid body. 
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Offline JJ

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Re: TIMBCO down!
« Reply #41 on: March 16, 2022, 10:54:24 PM »
There is current in the solenoid coil, as an inductor once charged with current, it must have a discharge path once open circuit.  My second guess after thinking about it is these are diodes, probably with reverse BV about 2x the operating voltage of 24V.   It's to protect rest of circuit from OV spike when power is shut off to the solenoids.  yeh, that's it 8)

           JJ

Offline JJ

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Re: TIMBCO down!
« Reply #42 on: March 16, 2022, 11:00:31 PM »
The cathode end of a diode (current blocking) should a have band around it.  silver or white.

         JJ

Online Firewoodjoe

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Re: TIMBCO down!
« Reply #43 on: May 01, 2022, 09:35:43 AM »
Well the fabtek monitor stopped reading the impulses for the independent wheel measurement. Im looking into the red updated computer. Anyone ever change one? And does anyone know why these Dallas Chips do? Im talking to the dealer and hope to get more info on Monday. I just welded a hydraulic hose on the head so I can measure with the head. Slower but not down entirely. 

Offline snowstorm

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Re: TIMBCO down!
« Reply #44 on: May 01, 2022, 09:45:49 AM »
are you sure the encoder is good? they do go bad i have replace several. and the wire?

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Re: TIMBCO down!
« Reply #45 on: May 01, 2022, 10:15:27 AM »
All voltage checks out all the way to the monitor. The dealer mechanic said it sound right. All lights are on also. Impulses line A and line B show 0-4.6 volts when wheel is spun. And I ran a jumper ground wire at the encoder. 

Offline leeroyjd

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Re: TIMBCO down!
« Reply #46 on: May 01, 2022, 01:48:47 PM »
Is the spring on the measuring wheel good? 
I agree with checking the encoder. I had one that checked out on voltage and lights but replaced it on the advice of Fabtek tech and he was correct.
As Snowstorm I also replaced a few in the time I owned it.
 I think the Dallas chip is a battery and memory storage.

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Re: TIMBCO down!
« Reply #47 on: May 01, 2022, 05:14:58 PM »
Both your impulse lines were sending voltage and it was still bad? 

Offline Skeans1

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Re: TIMBCO down!
« Reply #48 on: May 01, 2022, 08:59:15 PM »
Well the fabtek monitor stopped reading the impulses for the independent wheel measurement. Im looking into the red updated computer. Anyone ever change one? And does anyone know why these Dallas Chips do? Im talking to the dealer and hope to get more info on Monday. I just welded a hydraulic hose on the head so I can measure with the head. Slower but not down entirely.
How many encoders are left on that head of the three? On the back side of the encoder is a light from memory that will blink as you spin the wheel depending on which encoder is in there.
Ive swapped from the original style computers to the new Joral computer the one thing I missed was the remote key pad.

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Re: TIMBCO down!
« Reply #49 on: May 02, 2022, 05:38:53 AM »
It only has one encoder left. Its the independent wheel. Yes it has lights. All on and flash. 

Offline leeroyjd

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Re: TIMBCO down!
« Reply #50 on: May 02, 2022, 06:13:27 AM »
Maybe it is the Dallas chip:
Fabtek Computer in Forestry and Logging

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Re: TIMBCO down!
« Reply #51 on: May 02, 2022, 06:17:51 AM »
Maybe it is the Dallas chip:
Fabtek Computer in Forestry and Logging
Right. Thats what I was wondering. Id like to hear back from the dealer. They are talking to the computer people. Theres a website that sells only the encoders, the Dallas chips and the updated computer. Must be a reason. 

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Re: TIMBCO down!
« Reply #52 on: May 02, 2022, 06:23:21 PM »
Got it I think. I had wire and was still waiting to hear back from the tech guy so I just ran a new wire externally. Worked. Must be it had enough voltage to test but not to run the computer side of things. Im going to test again tomorrow now that it functions and compare. The people I had talk to thought it was 6 volts and said my 4.7 was enough. Well Im thinking not. 🤷‍♂️

Offline barbender

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Re: TIMBCO down!
« Reply #53 on: May 02, 2022, 11:06:24 PM »
That is a is very, very common problem with harvesters- voltage is present but a weak spot in a wire is not allowing enough current for the function to work. 
Too many irons in the fire

Offline Ed_K

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Re: TIMBCO down!
« Reply #54 on: May 04, 2022, 04:08:20 PM »
 My son has a business selling used gps units and installing them on dozers,excavators,graders,and anything else that goes up an down automatically. He buys rebuilt parts puts them together and sell to his customers. Then he'll go to their job site and install it. He'll stay there till it operates correctly an the operator is comfortable doing his job.

 Lately he's been doing nothing but building wiring harness's as he can't find any from his contacts. The whole garage has 4'x8' plywood nailed up for different machines with the diagram painted on to help run the wires.

Offline barbender

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Re: TIMBCO down!
« Reply #55 on: May 04, 2022, 07:15:49 PM »
Wow Ed, I'd love to just be a fly on the wall in his shop. I et there's a lot of learning that could take place👍
Too many irons in the fire

Online Firewoodjoe

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Re: TIMBCO down!
« Reply #56 on: May 04, 2022, 09:00:44 PM »
Theres a big need for affordable people that can fix this stuff that seems to become obsolete so quickly. We as owner operators dont have the time to fix it correctly ourselves and the dealers dont want to take the time because theyd rather do the after sale torque spec/oil check on the 2022 they just sold. 🤷‍♂️ Every time Ive called for a field mechanic Ive ended up fixing it myself (with the forums help 🙏)just waiting for them. 


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