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L10 Cummins compressor replacement...

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by DMIUSA, Nov 4, 2019.

  1. Nov 4, 2019 #1
    DMIUSA

    DMIUSA Bobtail Member

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    Nov 4, 2019
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    Good morning, this is my first thread! I'm looking for info on Holset compressor pump R&R on a 1993 L10 Cummins... does the injector pump need to be timed prior to removal from backside of the compressor? and if so any info would be much appreciated.
     
    DMIUSA, Nov 4, 2019
    DMIUSA, Nov 4, 2019
    #1
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  3. Nov 4, 2019 #2
    BoxCarKidd

    BoxCarKidd Road Train Member

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    Try the search block on the top right. Pump does not matter but suggested to time the compressor.
    It will work anywhere it is installed however.
     
    BoxCarKidd, Nov 4, 2019
    BoxCarKidd, Nov 4, 2019
    #2
    spsauerland and DMIUSA Thank this.
  4. Nov 4, 2019 #3
    DMIUSA

    DMIUSA Bobtail Member

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    Nov 4, 2019
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    Pulling it in the morning, just got everything disconnected and ready to yank. was unable o find anything in the search box regarding compressor timing...
     
    DMIUSA, Nov 4, 2019
    DMIUSA, Nov 4, 2019
    #3
  5. Nov 4, 2019 #4
    BoxCarKidd

    BoxCarKidd Road Train Member

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    You might try google as well. I do not have a book here and have to drive tomorrow.
    Working under a field mechanic years ago we put on a compressor. The engine was probably a small cam. He said this and I have found some of this in other Cummins manuals.
    It will run anywhere you put it. For the least amount of front gear train noise time it on TDC with #1 & 6.
    We were in the field, no books, no phone. We turned the engine to the TDC 1 and 6 mark on the accessory drive. Then he took the new compressor and turned it while holding his thumb on the outlet. Then he worked it back and forth while adding some spit. That is TDC! Turned it back a bit allowing for the angle of the gears and put it in.
    Hope that helped you some but I am going to back out of posting a lot!
     
    BoxCarKidd, Nov 4, 2019
    BoxCarKidd, Nov 4, 2019
    #4
    DMIUSA Thanks this.
  7. Nov 4, 2019 #5
    spsauerland

    spsauerland Road Train Member

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    Snapped some pics from my L10 book... KIMG2163.JPG KIMG2162.JPG KIMG2164.JPG
     
    spsauerland, Nov 4, 2019
    spsauerland, Nov 4, 2019
    #5
    DMIUSA, pushbroom and BoxCarKidd Thank this.
  8. Nov 6, 2019 #6
    DMIUSA

    DMIUSA Bobtail Member

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    Nov 4, 2019
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    Thanks all for your incite...Truck is back up and making air!
     
    DMIUSA, Nov 6, 2019
    DMIUSA, Nov 6, 2019
    #6
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