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  1. #1
    Member
    Join Date
    May 2004
    Posts
    25

    Default Hydrolic Value

    I have a Jinma 284 with a Spirit SL-20 Loader. The tractor was purchased in 2005. It has 2 Control Levers and the Value Box pushed out from the inside cracked when the loader was removed from the tractor.

    I want to replace it with a Single Joy Stick. I talked with the Surplus Center.

    They asked me some questions, I can't answer.

    1. Can someone tell me the GPM?

    2. Is it Open Center or Closed Center?

    3. If it is closed center does it have load sense?

    4. What type of pump (Gear Pump)?

    This is the valve I am going to order if it will work. Will I need anything else.

    Surplus Center

    2 SPOOL COMPACT 10 GPM JOYSTICK CONTROL VALVE

    Item# 9-7401


    2 SPOOL JOYSTICK LOADER CONTROL VALVE

    Brand new. BRAND Model LV22RFSTKAB. Compact two spool joystick valve for operating double acting cylinders. Ideal for use on front end loaders on small to medium sized tractors, lift trucks, and other mobile equipment requiring a compact valve. The two spools can be operated independently or simultaneously depending on handle movement. First spool has regenerative feature for rapid extension of cylinder and second spool has float to allow free movement of cylinder. Open center. Optional conversion sleeve for power beyond or plug for closed center operation sold separately. Spring centering spool action with detented fourth position for float or regenerative spools.

    SPECIFICATIONS
    10 GPM
    3000 PSI
    Adjustable relief 800-3000 PSI set at 2000
    Open Center Double acting
    In/Out Ports SAE 8
    Work Ports SAE 8
    Size 5-1/2" x 2-3/8" x 17-7/8"
    Shpg. 14 lbs.

  2. #2
    Advertiser kennyd's Avatar
    Join Date
    Jul 2003
    Posts
    12,671
    Location
    Westminster, MD
    Tractor
    John Deere 4110, 455AWS

    Default Re: Hydrolic Value

    Your tractor is OC (open center). The 9-7401 valve will work perfectly.
    KennyD
    www.boltonhooks.com

    #BoltOnHooks



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  3. #3
    Veteran Member
    Join Date
    Aug 2004
    Posts
    1,893
    Location
    Caldwell Co. NC
    Tractor
    2006 Kama554; 92 Belarus 250AS

    Default Re: Hydrolic Value

    You will need the power beyond adapter. There should be a line coming in from the pump, a low pressure return to tank, and a power beyond line leading to the 3-point valve.
    2006 Kama 554, 92 Belarus 250AS, Bombardier Outlander Max 400.

  4. #4
    Member
    Join Date
    May 2004
    Posts
    25

    Default Re: Hydrolic Value

    Thanks for the information. Will I need any special adapters for the hoses? Will I need any special mounting bracket for this joystick?

  5. #5
    Super Star Member Diamondpilot's Avatar
    Join Date
    Jan 2007
    Posts
    15,990
    Location
    Daleville, IN
    Tractor
    Jinma 254/284 Ford 861 Powermaster at work

    Default Re: Hydrolic Value

    Quote Originally Posted by dontn View Post
    Thanks for the information. Will I need any special adapters for the hoses? Will I need any special mounting bracket for this joystick?
    What sizes are you hoses? If they are 3/8 they are dash-6, 1/2 are dash-8, ect. I am thinking that they used 3/8 hose on the working hoses and 1/2 on the on the feed and out hoses.

    Something like this.
    http://www.surpluscenter.com/item.as...name=hydraulic

    If it were me I would also order 7 dash-8 to dash-6 adapters. They will be just a few buck each from SS but if you need to get them locally they more than likely will not have enough and they will be $5 or more each.

    As for the mount you will have to make something up. No way around that. It could be as simple as a piece of steel and some holes drilled. You will just have to see.

    Chris

  6. #6
    Veteran Member
    Join Date
    Aug 2004
    Posts
    1,893
    Location
    Caldwell Co. NC
    Tractor
    2006 Kama554; 92 Belarus 250AS

    Default Re: Hydrolic Value

    The SAE-8 ports on the valve are common. Here is what they look like:
    SAE Straight Thread O-Ring Boss Fittings | Valley Hydraulic Service, Inc.
    Your old valve may have the same ports. If not, they should be pretty standard and adapters are readily available. If you can't identify the existing ports try calliing Spirit.
    Spirit Implements - Millions of Tons Served It may even be best to get the valve from them along with the correct angle fittings, etc. to save a lot of headache. Check out the pic on page 4 here.
    http://www.spiritmfg.com/404Mounting_Instructions.pdf
    2006 Kama 554, 92 Belarus 250AS, Bombardier Outlander Max 400.

  7. #7
    Elite Member Bob Rooks's Avatar
    Join Date
    Feb 2007
    Posts
    2,667
    Location
    Bothell & Silverdale, WA
    Tractor
    Yuchai Bulldozer

    Default Re: Hydrolic Value

    You will be connecting 14mm ORFS hose fittings to SAE ORB valve fittings.
    You will need adapters from Ranch Hand Supply (I see Adaptall doesn't carry them anymore).
    This is the same valve I used when I did the conversion on my dozer. It's a very good valve, nice and smooth, although the relief is loud.
    Yuchai 306R dozer, Mustang 2040 skid steer, Mitsubishi MS035 Mini-Ex with four buckets and a rake, 7' Dual Dozer with dual Trimble machine control GCR-2SM laser receivers.

  8. #8
    Gold Member
    Join Date
    Oct 2006
    Posts
    361
    Location
    Wascott, WI, USA
    Tractor
    2006 Jinma 354LE w/YD485

    Default Re: Hydrolic Value

    Bob:

    The Spirit loaders are made in Wisconsin, I can't say for sure but I suspect they don't have the same fittings (metric ORFS) that the ZL loaders do.
    Alcohol, Tobacco and Firearms should be a convenience store, not a government agency.

    2006 Jinma 354LE w/YD485, ZL-30 FEL, LW7 backhoe, Rear blade, tiller, brush hog, box blade, post hole auger, snowblower, boom pole, carry all

  9. #9
    Super Star Member J_J's Avatar
    Join Date
    Sep 2003
    Posts
    18,923
    Location
    JACKSONVILLE, FL
    Tractor
    Power-Trac 1445, KUBOTA B-9200HST

    Default Re: Hydrolic Value

    Quote Originally Posted by dontn View Post
    I have a Jinma 284 with a Spirit SL-20 Loader. The tractor was purchased in 2005. It has 2 Control Levers and the Value Box pushed out from the inside cracked when the loader was removed from the tractor.

    I want to replace it with a Single Joy Stick. I talked with the Surplus Center.

    They asked me some questions, I can't answer.

    1. Can someone tell me the GPM?

    2. Is it Open Center or Closed Center?

    3. If it is closed center does it have load sense?



    4. What type of pump (Gear Pump)?

    This is the valve I am going to order if it will work. Will I need anything else.

    Surplus Center

    2 SPOOL COMPACT 10 GPM JOYSTICK CONTROL VALVE

    Item# 9-7401


    2 SPOOL JOYSTICK LOADER CONTROL VALVE

    Brand new. BRAND Model LV22RFSTKAB. Compact two spool joystick valve for operating double acting cylinders. Ideal for use on front end loaders on small to medium sized tractors, lift trucks, and other mobile equipment requiring a compact valve. The two spools can be operated independently or simultaneously depending on handle movement. First spool has regenerative feature for rapid extension of cylinder and second spool has float to allow free movement of cylinder. Open center. Optional conversion sleeve for power beyond or plug for closed center operation sold separately. Spring centering spool action with detented fourth position for float or regenerative spools.

    SPECIFICATIONS
    10 GPM
    3000 PSI
    Adjustable relief 800-3000 PSI set at 2000
    Open Center Double acting
    In/Out Ports SAE 8
    Work Ports SAE 8
    Size 5-1/2" x 2-3/8" x 17-7/8"
    Shpg. 14 lbs.


    Your only have 4.2 GPM. and your system is closed center system.

    http://www.************.com/specs/Jinma/JM-284.aspx
    J.J.

    When I works, I works hard. When I sits and thinks, I goes to sleep.

    Git er done.

  10. #10
    Veteran Member bluechip's Avatar
    Join Date
    Jun 2003
    Posts
    1,840
    Location
    Arkansas, USA

    Default Re: Hydrolic Value

    Most jinma loaders were plumbed without power beyond. on the 200 series jinma, there is a steering priority valve, so the power steering has its own form of "power beyond". without power beyond, you will not be able to lift the three point while the loader is is being moved, not a common occurance. Normally the loader just taps into the factory supplied quick connects that connect the pump to the 3 point lift. so 2 hoses is all you need.

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