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Author Topic: Problems with m Fabtek 4 Roller  (Read 1304 times)

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Offline HansenM84

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Problems with m Fabtek 4 Roller
« on: August 11, 2014, 09:00:50 AM »
I'm hoping someone has some insight for me.  I have a Timbco 415C with a Fabtek 4 Roller head.  I changed the wire harness from the boom to the head, and all the head functions worked except the wheels won't spin to feed the log through.  They spin backward but only forward for short spurts or not at all.  The return homes sensor for the saw bar is lighting up when it returns home.  A fella at Fabco told me to pull out the #2 & #4 relay and switch them.  I did that and it started working again.....and then yesterday it stopped working again.  I've replaced the relays now, with no effect, and am at a loss now.  Any advice???

Offline Gary_C

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Re: Problems with m Fabtek 4 Roller
« Reply #1 on: August 11, 2014, 09:52:20 AM »
Do you have some wires crossed in the new wire harness?

I don't know that particular machine, but I know with other Valmet machines those connection blocks can have some loose screws. Recheck all your connections and make sure they are in the right place and tight.
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Offline HansenM84

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Re: Problems with m Fabtek 4 Roller
« Reply #2 on: August 11, 2014, 01:41:49 PM »
Yup, checked all the connections a couple of times.

Offline dcress

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Re: Problems with m Fabtek 4 Roller
« Reply #3 on: April 13, 2019, 10:30:23 PM »
Joystick buttons and wiring. 

Offline wannaergo

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Re: Problems with m Fabtek 4 Roller
« Reply #4 on: April 14, 2019, 07:16:21 AM »
That sounds exactly like what our 4 roller would do when the saw home sensor crapped the bed.  If it's not that, then I'd start looking for broken wires
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Offline Corley5

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Re: Problems with m Fabtek 4 Roller
« Reply #5 on: April 17, 2019, 12:27:49 AM »
I'd start with the saw home sensor.  Then look into joystick buttons. 
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Offline dcress

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Re: Problems with m Fabtek 4 Roller
« Reply #6 on: April 21, 2019, 01:12:53 AM »
Joystick button switches is the easiest and cheapest thing to cross off the list. For what its worth might as well change them all if it is the problem.


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