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  1. #11
    Elite Member JasG's Avatar
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    Kubota L3240

    Default Re: 24 volt system not charging

    Quote Originally Posted by Willl View Post
    Looking at those pics, I would suggest you hire somebody to do some wiring maintenance.

    It would fix your current problem and help prevent future ones.
    Quote Originally Posted by Tx Jim View Post
    Very good point Willl. I only looked at photo with alternator in it. But with those loose wires at the starter solenoid I don't see how starter will engage.
    I doubt that 1 wire that is not connected is the issue, doesn't ever have any voltage on it. I owned the machine for 8 years, and going by the guy I bought it from it was like that when he bought it, and he owned it for 20 years. None of the wires have been touched since I bought it. Starter etc worked fine and still does all but the fuel gauges work. The problem is a lack of information on this set up. The local Deere dealer hasn't been much help, they had a fire a while ago and lost all of their tech manuals. The guys that work there are not familiar with the 24 volt set up either. I wouldn't mind having them do the work, but I'm not going to pay people to fumble around till they get it.

    If I had a proper diagram I could redo this myself, but each one I have found is different than this set up. The tech manual I bought only covers 12 volt set-ups.

    Actually the Deere dealer service manager a couple of years ago said what they would probably have to do was change the thing over to 12 volts. I think that was because they hadn't worked on a 24 volt in years. I'd rather not change it if I don't have to.
    “Government is like a baby. An alimentary canal with a big appetite at one end and no sense of responsibility at the other."


    Ronald Reagan

  2. #12
    Platinum Member
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    Dec 2001
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    Default Re: 24 volt system not charging

    I'm not familiar with the 24 volt industrial system with alternator, but... Looking at the photos, the loose brown wire at the starter definitely needed to be connected on the 3020. It should be connected to a second circuit breaker the same as the one with the blue wire. Then the other terminal of the second breaker got connected to the small terminal on the solenoid closest to the engine block. That sam terminal should have a second wire that connects to the large post on the back of the starter where the other battery cable connects.

  3. #13
    Platinum Member
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    Dec 2001
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    Maryland

    Default Re: 24 volt system not charging

    -r12723_________un01jan94-gifThe circuit breakers at the starter were not original equipment. They were an add on kit that was provided when wiring harness was replaced. Without the breakers, there was no protection in case wiring or starter shorted out. Many of the original 24 volt systems burnt up the wiring until the circuit breaker kits were installed. Without that brown wire connected, the charging system can't work properly, half the lights shouldn't work, and the fuel gauge won't work. I am attaching a picture of the part catalog schematic of the wiring. It gives a general idea of the wiring layout.

  4. #14
    Platinum Member
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    Default Re: 24 volt system not charging

    -3020-24-volt-wiring-jpgHere is another picture of starter wiring on 3020.

  5. #15
    Elite Member JasG's Avatar
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    Kubota L3240

    Default Re: 24 volt system not charging

    Quote Originally Posted by jd110 View Post
    -r12723_________un01jan94-gifThe circuit breakers at the starter were not original equipment. They were an add on kit that was provided when wiring harness was replaced. Without the breakers, there was no protection in case wiring or starter shorted out. Many of the original 24 volt systems burnt up the wiring until the circuit breaker kits were installed. Without that brown wire connected, the charging system can't work properly, half the lights shouldn't work, and the fuel gauge won't work. I am attaching a picture of the part catalog schematic of the wiring. It gives a general idea of the wiring layout.
    You wouldn't happen to have the labels to the one drawing you posted? I may be able to get it with what you gave already.

    For some reason the other circuit breaker is on the other side of the tractor. There is a line that goes from that breaker to the other side of the starter. I'll have to check but I wonder if the brown wire broke and someone just ran a another wire.

    Thank you.
    “Government is like a baby. An alimentary canal with a big appetite at one end and no sense of responsibility at the other."


    Ronald Reagan

  6. #16
    Elite Member Tx Jim's Avatar
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    Coyote Flats,Tx
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    JD 4255/Kubota M7040 HDC

    Default Re: 24 volt system not charging

    Maybe this is what you're looking for.
    Attached Thumbnails Attached Thumbnails -r12751_________un01jan94-gif  

  7. #17
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    Default Re: 24 volt system not charging

    Quote Originally Posted by JasG View Post
    You wouldn't happen to have the labels to the one drawing you posted? I may be able to get it with what you gave already.

    For some reason the other circuit breaker is on the other side of the tractor. There is a line that goes from that breaker to the other side of the starter. I'll have to check but I wonder if the brown wire broke and someone just ran a another wire.

    Thank you.
    1 ) AR27944 LAMP 1
    2 ) AT14699 INDICATOR LAMP 1
    3) R34262 GAUGE 1
    4) ........ WIRE 1 305 MM (12") (MAKE FROM AR84006 WIRE REPAIR KIT)
    5) AR48643 ELECTRICAL LIGHTER 1 (SUB FOR AR34556)
    6) AR20235 SWITCH 1
    7) R39550 RESISTOR 1
    8) AR33479 LAMP 1
    9) A3411R GROMMET 1 (DASH LAMP LEAD TO DASH REINFORCEMENT)
    10) F2084R CLIP 1 (DASH LAMP LEAD TO DASH)
    Cart KEY PART NO. PART NAME QTY SERIAL NO. REMARKS
    11) AR44953 WIRING HARNESS 1 (SUB FOR R39641)
    R27539 CLAMP 1
    21H1029 SCREW 1 5/16" X 3/4", (INSTRUMENT HARNESS CLAMP TO CONTROL SUPPORT)
    12H291 LOCK WASHER 1 5/16", (INSTRUMENT HARNESS CLAMP TO CONTROL SUPPORT SCREW)
    14H785 NUT 1 5/16", (INSTRUMENT HARNESS CLAMP TO CONTROL SUPPORT SCREW)
    T13814 CLAMP 1 (INSTRUMENT HARNESS TO L.H. REAR DASH TO CONTROL SUPPORT SCREW)
    B1828R BUSHING 1 (INSTRUMENT HARNESS TO L.H. REAR DASH TO CONTROL SUPPORT SCREW)
    24H1302 WASHER 1 13/32" X 11/16" X 0.035"
    12) AT85174 SWITCH 1 (SUB FOR AR27977) (OIL INDICATOR)
    13) ........ WIRING HARNESS 1 ( R39650 NO LONGER AVAILABLE)
    Cart KEY PART NO. PART NAME QTY SERIAL NO. REMARKS
    14) R11276 HORN 1 (LOW NOTE, 12-VOLT)
    15) R64700 HIGH NOTE HORN 1 (SUB FOR R11277) (HIGH NOTE, 12-VOLT)
    16) AR47655 KIT 1 (SUB FOR AR40455) (CONTAINS AR47676, CIRCUIT BREAKER KIT, AR47685 WIRING HARNESS, AR47686 WIRING HARNESS, AR47690 ENGINE WIRING HARNESS, R33823 WIRING HARNESS, R34869 WIRING HARNESS AND R45640 WIRING HARNESS COVER)
    R27457 TIE BAND 5 (ENGINE HARNESS TO STEERING OIL PIPES)
    R32320 CLIP 2 (ENGINE HARNESS TO CONTROL SUPPORT)
    R32320 CLIP 1 (ENGINE HARNESS TO REGULATOR MOUNTING BRACKET)
    17) AR27730 SENDER 1
    18) AR40419 ALTERNATOR 1 (WITH REGULATOR, LESS PULLEY) (24-VOLT) (MOTOROLA)
    19) AR39848 HOUR METER 1
    20) ........ WIRE 1 457 MM (18") (MAKE FROM AR84006 WIRE REPAIR KIT)
    Cart KEY PART NO. PART NAME QTY SERIAL NO. REMARKS
    21) ........ WIRE 1 152 MM (6") (MAKE FROM AR84006 WIRE REPAIR KIT)
    22) AR40134 STARTER MOTOR 1 (24-VOLT) (DELCO-REMY NO. 1113190)
    23) R30964 COVER 1
    24) AR28950 BATTERY CABLE 1 (NEGATIVE L.H.) (COLLAR SHIFT)
    R33659 BATTERY CABLE 1 (NEGATIVE L.H.) (POWER SHIFT)
    R35668 CLAMP 1
    R36235 GROMMET 1 (BATTERY CABLE TO SUPPORT)
    R34558 CLAMP 1 (CABLE TO TRANSMISSION CASE COVER)
    19H2284 CAP SCREW 1 3/8" X 7/8", (CABLE CLAMP TO BATTERY BOX)
    12H304 LOCK WASHER 1 3/8", (CABLE CLAMP TO BATTERY BOX)
    Cart KEY PART NO. PART NAME QTY SERIAL NO. REMARKS
    R35668 CLAMP 1 (CABLE TO CLUTCH HOUSING)
    19H1648 CAP SCREW 1 3/8" X 3/4", (CABLE CLAMP TO CLUTCH HOUSING)
    12H304 LOCK WASHER 1 3/8", (CABLE CLAMP TO CLUTCH HOUSING)
    R44302 TIE BAND 1 (SUB FOR R1646R)
    25) AR40408 BATTERY CABLE 1 (POSITIVE R.H.)
    H75541 CLAMP 1 (CABLE TO TRANSMISSION CASE COVER) (SUB FOR R34557)
    19H2284 CAP SCREW 1 3/8" X 7/8"
    12H304 LOCK WASHER 1 3/8"
    B1828R BUSHING 2 (CABLE CLAMP TO TRANSMISSION CASE COVER)
    24H1302 WASHER 2 13/32" X 11/16" X 0.035"
    Cart KEY PART NO. PART NAME QTY SERIAL NO. REMARKS
    12H302 LOCK WASHER 2 1/4", 3/8" (BATTERY CABLE CLAMP TO TRANSMISSION CASE)
    R34558 CLAMP 1
    19H1726 CAP SCREW 2 3/8" X 2-1/4"
    12H304 LOCK WASHER 2 3/8"
    26) AR40409 BATTERY CABLE 1
    27) R39713 WIRING LEAD 1
    24M7096 WASHER 2 0.413" X 0.709" X 0.063", (BATTERY GROUND STRAP TO TRANSMISSION CASE COVER SCREW)
    28) R34869 WIRING HARNESS 1 (STARTER SAFETY SWITCH TO ENGINE HARNESS) (POWER SHIFT)
    R33823 WIRING HARNESS 1 (STARTER SAFETY SWITCH TO ENGINE HARNESS) (COLLAR SHIFT)
    R44302 TIE BAND 2 (START-SAFETY HARNESS TO BATTERY CABLE)
    Cart KEY PART NO. PART NAME QTY SERIAL NO. REMARKS
    R27457 TIE BAND 2 (START-SAFETY HARNESS TO BATTERY CABLE)
    29) R36265 SWITCH AR (1 USED COLLAR SHIFT) (2 USED POWER SHIFT)
    30) R39554 SWITCH 1
    31) R39551 SWITCH 1
    32) AR39505 ROTARY SWITCH 1
    33) AR47685 WIRING HARNESS 1 (SUB FOR R39555 AND AR44952) (CONTROL SUPPORT COVER TO INSTRUMENT HARNESS)
    B2571R CLIP 1 (HARNESS TO CONTROL SUPPORT COVER)
    34) AR28403 CIRCUIT BREAKER

  8. #18
    Elite Member JasG's Avatar
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    Jan 2004
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    3,163
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    CNY
    Tractor
    Kubota L3240

    Default Re: 24 volt system not charging

    Thanks for the list and other help, makes my job a lot easier.

    Up next the swing motor/cylinder. I was using it this weekend and oil is now coming out the top pretty badly. I've done cylinders and valves before on this and other machines, but never one of these. I haven't looked yet to see what is involved. I do remember that is covered in the tech book I have. According to Deere.com the seals and other parts can still be purchased.

    Something to keep me busy in the next few weeks.
    “Government is like a baby. An alimentary canal with a big appetite at one end and no sense of responsibility at the other."


    Ronald Reagan

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