60 series detroit fan

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Meskie, Jan 1, 2010.

  1. Meskie

    Meskie Bobtail Member

    13
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    Apr 8, 2009
    Saskatoon Saskatchewan
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    The fan on our FLD120 with a 60 series detroit stays on all the time. Just wondering if there is a place to get a wirering diagram of if anybody knows were to start. We swapped moters and the switch worked on the old one but just stays on all the time on this one. thanks for any help.
     
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  3. Rock hauler

    Rock hauler Light Load Member

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    Nov 26, 2008
    Deridder La.
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    Not sure on FLD120 but seems my international had air on to release the fan clutch. make sure thiers power and air to the fan silinod.on the IH when you turned the key off the fan clutch locked, my cat releases with the key off.
     
  4. heavyhaulerss

    heavyhaulerss Road Train Member

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    check the fuse. if the fuse for the fan is bad, the fan will run all the time. if fuse is good, it is most likely the solenoid. about $90.00
     
  5. Hardlyevr

    Hardlyevr Road Train Member

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    I'd also check the connection for the airline to the fan hub. If it isn't getting air, it will stay engaged.
     
  6. heavyhaulerss

    heavyhaulerss Road Train Member

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    true too! ....
     
  7. MedicineMan

    MedicineMan Road Train Member

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    Woodville, TX
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    there is two types of fan clutch. One uses air to release and one uses air to lock it up.

    Make sure you have the right switch for the clutch
     
  8. Meskie

    Meskie Bobtail Member

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    Apr 8, 2009
    Saskatoon Saskatchewan
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    i will check on that but i think they kept everything from the old motor and just transferd it to the new one. Truck doesn't warm up very good with the fan on at -20 or 30C
     
  9. heavyhaulerss

    heavyhaulerss Road Train Member

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    that fan will aslo eat up h.p & m.p.g.
     
  10. FYDA FREIGHTLINER CINCY

    FYDA FREIGHTLINER CINCY Light Load Member

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    Apr 28, 2009
    Cincinnati, ohio
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    need to see if the a/c high pressure switch is the same on both trucks. one will be normally open and the other will be normally closed. if u have the wrong one the fan will run all the time
     
  11. Meskie

    Meskie Bobtail Member

    13
    7
    Apr 8, 2009
    Saskatoon Saskatchewan
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    Thought of that one too the guy who fixed our a/C couldn't locate that switch. He said he looked everywear. HP and mpg aren't to big of an issue. Purple diesal is cheap and running 4.56 gears kind of kills mpg anyway. Any ideas of where the a/c swithch is located.
     
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