Results 21 to 30 of 38
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02-21-2013, 10:41 PM #21
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02-21-2013, 10:41 PM #22
Re: third function.
I added rear hydraulics with the JD kit for my tractor specifically because I'm not up to speed on hydraulics. I'm still a hydro newbie, but I've been reading the Vickers Hydraulics manual and looking forward to the next project.
I would like to use the rear controls for top 'n' tilt and add a 3rd function for a grapple. I would love to save some $ and buy parts, rather than a 3rd function kit. Anyone know of a parts list, DIY blogs, etc. for adding a 3rd function from parts rather than a kit?John Deere 3038E/305 FEL/Frontier RB5060 rear blade/Frontier RC2060 rotary cutter/Harbor Freight quick hitch/Titan clamp-on forks/Priefert single bottom plow/Priefert 16x16 disc plow/Priefert 6' landscape rake/Taylor Pittsburgh Carry All/Land Pride BB1572 box blade/Fimco 40 gal. 3 point sprayer/Rankin subsoiler/Bearcat chipper-shredder/, more to come ...
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02-21-2013, 11:24 PM #23
- Join Date
- Oct 2010
- Posts
- 941
- Location
- Northern, NJ
- Tractor
- Kubota L45
Re: third function.
Well, 1 of 2 possibilities:
1. The kubota 3rd function kit I had included a hidden flow restriction.
2. This isn't an issue in practice.
The grapple function never worked faster than I could handle. Now, realize I was using a GST tractor. I rarely set the rpm very high and used the foot throttle to maneuver the tractor and speed up the hydraulics when necessary.
ac
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02-22-2013, 12:37 AM #24
- Join Date
- Sep 2003
- Posts
- 18,924
- Location
- JACKSONVILLE, FL
- Tractor
- Power-Trac 1445, KUBOTA B-9200HST
Re: third function.
I agree, I used that example as the extreme. And yes, it would be faster.
Don't know why avc8130 grapple was slow.
Cylinder Speed single cyl
Bore Size 2 inches
Rod Diameter 1 inches
Pump Flow 11.8 GPM
Extension Speed 14.5 inches per second = 1.25 sec
Retraction Speed 19.3 inches per second = .93 secJ.J.
When I works, I works hard. When I sits and thinks, I goes to sleep.
Git er done.
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02-22-2013, 12:48 AM #25
- Join Date
- Sep 2003
- Posts
- 18,924
- Location
- JACKSONVILLE, FL
- Tractor
- Power-Trac 1445, KUBOTA B-9200HST
Re: third function.
Chickengrower,
If the valve is sized for the flow in GPM, any type valve will run the auger.
You can use a selector valve, a true 3d function, or remote valve.J.J.
When I works, I works hard. When I sits and thinks, I goes to sleep.
Git er done.
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02-22-2013, 12:54 AM #26
- Join Date
- Sep 2003
- Posts
- 18,924
- Location
- JACKSONVILLE, FL
- Tractor
- Power-Trac 1445, KUBOTA B-9200HST
Re: third function.
3ed function parts for grapple
Surplus Center - 12 VDC 10 GPM OC DA SOLENOID VALVE
Surplus Center - 1 STATION DO3 SUBPLATE OPEN CENTER
Selector/diverter valve for grapple.
Surplus Center - 12 VDC 13.2 GPM SAE 8 DOUBLE SELECTOR VALVE
http://www.surpluscenter.com/Instruct/I9-7852.pdf
Plus hoses, wire and switches.J.J.
When I works, I works hard. When I sits and thinks, I goes to sleep.
Git er done.
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02-22-2013, 01:33 AM #27
- Join Date
- Jan 2013
- Posts
- 95
- Location
- Arkansas
- Tractor
- JD 5093e, JD 2240, Bobcat 773G, F800 w/ 16' lo pro Chandler bed
Re: third function.
Thanks JJ! You da man!
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02-22-2013, 08:29 AM #28
- Join Date
- Oct 2010
- Posts
- 941
- Location
- Northern, NJ
- Tractor
- Kubota L45
Re: third function.
JJ,
I can't argue with the math, it is sound. Again, I didn't usually run the grapple at full rpm. I also had 2 cylinders on my grapple.
It could also be noted that Everything Attachments, WR Long and Kubota all sell 3rd function kits. I don't believe ANY of them have any flow restriction. Lots of happy users on these forums and I don't see anyone complaining about how fast their grapples operate.
ac
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02-22-2013, 08:30 AM #29
- Join Date
- Oct 2010
- Posts
- 941
- Location
- Northern, NJ
- Tractor
- Kubota L45
Re: third function.
JJ,
I had brought this up a few months ago, and you mentioned that a relief valve should be used when running a Closed Center solenoid 3rd function with a motor:
https://www.surpluscenter.com/item.a...name=hydraulic
ac
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02-22-2013, 08:32 AM #30
- Join Date
- Oct 2010
- Posts
- 941
- Location
- Northern, NJ
- Tractor
- Kubota L45
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