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Thread: MEP-004A, No output

  1. #581
    General KLChurch's Avatar
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    battery 1.jpgbattery2.jpg

    Purchased these batteries and installed.
    Had to take the battery tray out because it was too small.
    For some reason they are 1125 cranking amps instead of 1400.
    Fired the gen off and it started charging the batteries at +10
    Then after several mins the amp gage showed +7
    Then after another 10 Mins it went to +6.
    The gen fired off immediately like normal.
    But the other batteries charged within a couple of mins.
    Now it will take a lot longer. Don't know if this is good or bad.
    So maybe I should either charge the batteries with a charger or just charge them with the gen.
    Kris
    Murphy is my friend

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  3. #582
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    Looks good, 1125 CCA is fine. Now you got the right size for your starter. I would charge them with the charger rather with the Genset without any load hooked up.

    Progress is Good

    Quote Originally Posted by KLChurch View Post
    battery 1.jpgbattery2.jpg

    Purchased these batteries and installed.
    Had to take the battery tray out because it was too small.
    For some reason they are 1125 cranking amps instead of 1400.
    Fired the gen off and it started charging the batteries at +10
    Then after several mins the amp gage showed +7
    Then after another 10 Mins it went to +6.
    The gen fired off immediately like normal.
    But the other batteries charged within a couple of mins.
    Now it will take a lot longer. Don't know if this is good or bad.
    So maybe I should either charge the batteries with a charger or just charge them with the gen.
    Kris

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  5. #583
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    Quote Originally Posted by KLChurch View Post
    battery 1.jpgbattery2.jpg

    Purchased these batteries and installed.
    Had to take the battery tray out because it was too small.
    For some reason they are 1125 cranking amps instead of 1400.
    Fired the gen off and it started charging the batteries at +10
    Then after several mins the amp gage showed +7
    Then after another 10 Mins it went to +6.
    The gen fired off immediately like normal.
    But the other batteries charged within a couple of mins.
    Now it will take a lot longer. Don't know if this is good or bad.
    So maybe I should either charge the batteries with a charger or just charge them with the gen.
    Kris
    The 1400 was cranking amps at 32F (1380, it got rounded up), not the Cold Crank Amps at 0FThe charger will save you from wetstacking the engine and using unnecessary fuel.
    Batteries that charge really quickly tend to have no actual capacity left in them. Think of it like this, take 2 1 liter bottles, crumple one up. Fill them both with water. The crumpled up one is still a 1 liter bottle, but doesn't actually hold 1 liter anymore, so it fills much faster than the uncrumpled one. So taking a while to charge is a good thing for batteries (as long as it's actually charging)

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    Kris, the original 6TMF Batteries are square and have 1010CCA standard or 1500CCA enhanced. The standard cost twice as much of what you paid for yours. You may want to make a holder bracket and clamp them in place.

    5C8FFD50-CB7C-4714-93EE-DEECE12322C2.jpeg

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    Colonel peapvp's Avatar
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    Thanks Coug! In the end it may have been the batteries which caused the starting problems in the first place. As Coug explained, the old ones are probably toast now. So, it wasn’t the S2 switch after all.

    Quote Originally Posted by Coug View Post
    The 1400 was cranking amps at 32F (1380, it got rounded up), not the Cold Crank Amps at 0FThe charger will save you from wetstacking the engine and using unnecessary fuel.
    Batteries that charge really quickly tend to have no actual capacity left in them. Think of it like this, take 2 1 liter bottles, crumple one up. Fill them both with water. The crumpled up one is still a 1 liter bottle, but doesn't actually hold 1 liter anymore, so it fills much faster than the uncrumpled one. So taking a while to charge is a good thing for batteries (as long as it's actually charging)

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    Assuming!!! Test! Test a few times. Test when cold. Test when warm. Test two weeks from now. Then know what you have.

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    Kris, I guess once you tie down the batteries and verify your IP leak washer fix then we are ready to start testing with a load. At one point or another we need to get a couple of hours of run time on your Genset.

    The question arises now, what do you have available as load (preferably 3 Phase) to use as load bank?



    Quote Originally Posted by Guyfang View Post
    Assuming!!! Test! Test a few times. Test when cold. Test when warm. Test two weeks from now. Then know what you have.

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    Quote Originally Posted by Guyfang View Post
    Assuming!!! Test! Test a few times. Test when cold. Test when warm. Test two weeks from now. Then know what you have.
    Assuming is defined as "Ass You Me" My mentor reminded me of that when I was in my 20s

    Finally a cold front will be here today. So the temp will be in the 70s.
    Will charge each battery separately to make sure both batteries charge the same way. (Don't know how long the batteries were setting on the shelf)
    After I charge them, I will start the gen and witness the Amp gage to see how much it has to charge.

    I'm thinking to install a breaker box on the gen itself, also install number 4 wires so I can connect it to my single phase transformer.
    The gen is mounted on a trailer so if I have to, I can move it around my property, and connect it to a small stick welder. (30 AMP 240 volt)
    So the breaker box would have 120 and 240 capability.

    I have nothing here on my property that has 3 phase to test a 3 phase load except the 3 phase transformer to single phase.
    Kris
    Murphy is my friend

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    Update:
    Charged the batteries separately.
    One started at 90% full and the other 95%.
    Took only a couple of mins at fast charge. (12 amps)
    Then let them rest for an hour.
    Connected them and started the gen.
    The gen put a initial charge of +10
    After a min it went down to +3
    After 5 more mins went down to +2.5
    After additional 5 mins it went up to +3
    Looked at the fuel gage because the hour meter says it has been running over an hour since I've had it and it says I am still completely full of diesel.
    Man it is nice outside. I love the fall.
    I'm going to check the battery volts with my DMM & start installing the washer seals.
    Kris
    Murphy is my friend

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  19. #590
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    I checked the batteries while installed.
    Red on red, black on black. (Outputs to starter)
    No DC volts with the Dmm.
    What I'm I doing wrong?
    Kris
    Just checked the same way with my analogue meter and it says approx. 26 volts
    I guess the DMM is getting confused or its me.
    Kris
    Last edited by KLChurch; 10-07-2019 at 14:57.
    Murphy is my friend

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