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Author Topic: Gearmatic specialists, hydraulics?  (Read 863 times)

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Offline 62oliver

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Re: Gearmatic specialists, hydraulics?
« Reply #20 on: June 30, 2020, 09:02:41 AM »
Oh, sorry, I missed that. That is what I will do if mine ever gives me trouble.
Husqvarna 266, Case 90xt, JD310C, TJ240E, 02 Duramax

Offline Satamax

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Re: Gearmatic specialists, hydraulics?
« Reply #21 on: June 30, 2020, 11:09:53 PM »
I just think of the small bands as providing leverage to the big bands to apply enough force to either winch in, or brake. The force created by the hand operated remote controller or the brake spring (#22) simply activates the lever using the winchs' own rotational force.

The set screw on top of the housing that Ed mentions should have a small spring under it, which pushes on the brake band creating a slight drag on the drum (adjustable) to prevent bird nesting.  
Thanks a lot guys. For all of your replies. 
62Oliver, i don't quite get what you are saying there. You mean, that when  one pulls on the cable, the drum goes back slightly, and locks the brake further? 
Thanks again. 
French CD4 sawmill. Latil TL 73. Self moving hydraulic crane. Iveco daily 4x4 lwb dead as of 06/2020. Replaced by a Brimont TL80 CSA.

Offline 62oliver

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Re: Gearmatic specialists, hydraulics?
« Reply #22 on: July 01, 2020, 10:38:18 AM »
Thanks a lot guys. For all of your replies.  62Oliver, i don't quite get what you are saying there. You mean, that when  one pulls on the cable, the drum goes back slightly, and locks the brake further?  Thanks again. 


Are you referring to "bird nesting"? On top of the winch there is a set screw as Ed mentioned, under that screw should be a small spring that pushes on the brake band (pretty sure the wide band), the brake band then rubs on the drum causing a slight drag which prevents the drum from free spooling when you pull the cable out. The amount of drag can be adjusted by turning the set screw in or out. Hope that helps.
To my mind converting a gearmatic to operate remotely would be a big undertaking. I wouldn't get rid of that remote too quickly.
Husqvarna 266, Case 90xt, JD310C, TJ240E, 02 Duramax

Offline Satamax

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Re: Gearmatic specialists, hydraulics?
« Reply #23 on: July 01, 2020, 12:25:27 PM »
I just think of the small bands as providing leverage to the big bands to apply enough force to either winch in, or brake. The force created by the hand operated remote controller or the brake spring (#22) simply activates the lever using the winchs' own rotational force.

The set screw on top of the housing that Ed mentions should have a small spring under it, which pushes on the brake band creating a slight drag on the drum (adjustable) to prevent bird nesting.  
62Oliver, i was referring to this post of yours. I think i understand re reading this. 

Basically what you're saying, is that the spring keeps the band rubbing slightly on the drum, and when you pull the cable by hand, it rubs a smidge more due to the friction on the drum tightening slightly the brake. 

I thought you were saying that the brake was locking tighter when a log was attached at the back and pulled forward by the tractor, with the lever in the brake position. 

French CD4 sawmill. Latil TL 73. Self moving hydraulic crane. Iveco daily 4x4 lwb dead as of 06/2020. Replaced by a Brimont TL80 CSA.

Online Ed_K

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Re: Gearmatic specialists, hydraulics?
« Reply #24 on: July 02, 2020, 02:39:19 PM »
 All the spring does is push down on the top of the big band to rub on the drum enough to keep pressure so the cable doesn't pull out faster than you want it to.
 The long spring #22 is what pressures the small band to turn and put pressure on the big band and lock the drum from moving while your pulling a log or 8 (cordwood) ;D.

Offline Satamax

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Re: Gearmatic specialists, hydraulics?
« Reply #25 on: July 02, 2020, 05:01:56 PM »
Thanks Ed K. 

I really don't like this system. I think it's better to apply pressure on the brakes when needed. Mind you, spring loaded brakes are all over in my other job, running a chairlift. 

And that's a safety feature. 
French CD4 sawmill. Latil TL 73. Self moving hydraulic crane. Iveco daily 4x4 lwb dead as of 06/2020. Replaced by a Brimont TL80 CSA.

Offline Satamax

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Re: Gearmatic specialists, hydraulics?
« Reply #26 on: July 04, 2020, 12:21:14 PM »
So, i have ordered the sprocket, and splined sleeve.  Tried this morning to move the drum and the input shaft by hand. It's all locked. Normal, there is no pressure to open the brake. Well. It might not be full of oil then.  ;D

Which wrenches and sockets do I need to work on this winch? Allen keys? 

@Pdhx20 


If ever you see this. What is the Parker swivel you used?  The thread in the clutch swivel's plate is the right one? Or will I have to buy a set of taps for this? 

Thanks a lot to you all guys.  
French CD4 sawmill. Latil TL 73. Self moving hydraulic crane. Iveco daily 4x4 lwb dead as of 06/2020. Replaced by a Brimont TL80 CSA.

Online Ed_K

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Re: Gearmatic specialists, hydraulics?
« Reply #27 on: July 05, 2020, 09:14:37 AM »
 I retap'd mine to 1/4 npt.
Ed K


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