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1982 XJ550 Maxim rebuild

Discussion in 'XJ Technical Chat' started by Ryengoth, Mar 1, 2019.

  1. Rooster53

    Rooster53 Well-Known Member Premium Member

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    Attempting to put the converter here would seem to work but a couple of issues:

    One, you need to be sure where it is inserted that the brown wire that goes to the regulator is on the input side of the converter so the OE regulator is sensing true battery voltage and adjusting the AC Generator field coil to maintain the proper battery charge.

    Two, the regulator is only rated for 10 amps ( if you chose the one you linked) and the brown wire is a feed to the total output of the electrical system. The brake, tail, horns, headlight, TCI, etc. will easily exceed the rated output maximum for the converter stated as 10 amps. Converting the brake / tail to LED would reduce the power considerably, but even the remaining items the rated output of the converter would still be marginal.

    Did you ever link the LED headlight you bought? I was just curious if it spec'd a tolerance on the voltage range.
     
  2. Ryengoth

    Ryengoth Active Member

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    It would be inline on the brown wire circuit at the fuse bundle so it would affect the field coil since it would have a steady voltage. I will probably just move it to the headlight circuit.

    The brake bulbs are LED as well now. Much better.

    The LED maximum rated 12V power is 45W on high beam so it's really efficient for the lumen output. The input range is 9-12V.
    https://www.amazon.com/gp/product/B078SM5FSN/
     
  3. Ryengoth

    Ryengoth Active Member

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  4. Polock

    Polock Well-Known Member

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    there's been a few threads about LED headlights on here and i don't recall anyone having flicker problems, or they didn't say anything about it.
    can you measure the AC ripple at the headlight
     
  5. Ryengoth

    Ryengoth Active Member

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    I'll have to look for the missing scope probes and charge the scope up.
     
  6. Ryengoth

    Ryengoth Active Member

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  7. Ryengoth

    Ryengoth Active Member

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    Well, based on the oil color after a few very short test rides I would have to say the plates are shot and burning the oil. New ones been soaking for a couple of days. Gonna have to wait a lil longer since I can't find the spare case gasket.
    [​IMG]
    [​IMG]
    [​IMG]
     
  8. Ryengoth

    Ryengoth Active Member

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    Well so much for clutch reassembly tonight. I should have looked at these earlier. New set on the way and I repainted the cover.

    [​IMG]
     
  9. XJ550H

    XJ550H Well-Known Member Premium Member

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    do you run light so you have high or low on (as yamaha does)
    or low on and high on when high beam switch is on? this mode may cause flicker 75 watts

    i see it can be run both ways
    spec of lights
    Power : high beam 45W/4000 LM(Hi); low beam 30W/2800LM(Lo)
     
  10. Ryengoth

    Ryengoth Active Member

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    The headlight appears to have both on for high but it doesn't matter which way the flicker happens regardless. I have some 1F caps I'm going to test as soon as the engine is back running.
     
    XJ550H likes this.
  11. Ryengoth

    Ryengoth Active Member

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    Finally got around to cleaning out the shop. Still have a messy bench to clean up but this is where the XJ will live. The Saab 9000 is coming into the garage soon. Looks like I'll be buy some more tools soon so I won't have to keep running between the house and shop.

    [​IMG]
     
  12. Ryengoth

    Ryengoth Active Member

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    Clutch plates are in. Will be putting the clutch back together tonight and possibly set up for a retune. New video on the shop space. Hopefully the lighting will be better.
     
  13. XJ550H

    XJ550H Well-Known Member Premium Member

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    dont forget to soak the parts in oil
     
  14. Ryengoth

    Ryengoth Active Member

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    the friction plates have been soaking for a couple weeks at this point
     
  15. Ryengoth

    Ryengoth Active Member

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    Unfortunately the KS clutch pack has no larger ID plate for the boss spring so it's not going together tonight. This is really getting frustrating.
     
  16. Polock

    Polock Well-Known Member

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    i see a rc car on what might be a oil pan, a box of "mind blowing" somethings :). what might be a broken dirt bike fender.
    is that a weather station on the wall, a nice vise, a fire extinguisher, always good to have. a mc master carr box and two lonesome drips of oil.
    lets get that insulation done
    thanks for the tour :)
     
  17. Ryengoth

    Ryengoth Active Member

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    You cant see the 8' loft above. It is a packrat level 2.
    The amount of car stuff, electronics, materials and tools I have squirreled away is nuts. Heh.. punny. The garage is worse.
     
  18. Polock

    Polock Well-Known Member

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    ya need a nice chair or at least a five gallon bucket
     
  19. Ryengoth

    Ryengoth Active Member

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    There is a beat up old leather office chair, just out of frame. And a stool.
     
  20. Ryengoth

    Ryengoth Active Member

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    Clutch is back together. Repainted the cover as well, it was buggin me bad. I figured out why the clutch burned up. I put the stack together wrong. The boss spring was between a normal plate and a metal plate, not the larger OD plate. :oops: Noob error. It's together right now with new oil and ready for color tune and re-sync. Filter box boot on #3 was crooked and possibly leaking so that was addressed.
    [​IMG]

    Gauges are mounted and I have a temp tank mounted as well for tuning. The carbs are being a pain today. Video soon once it's tuned and I take it for a ride.
    [​IMG]
     

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