Bulk Potato Load with Vent/Inspection Door Open?

Discussion in 'Experienced Truckers' Advice' started by PE_T, Jun 29, 2019.

  1. PE_T

    PE_T Road Train Member

    BOL does not state to have the small inspection door open, but the guy who loaded me said to have it open while in transit because it helps with removing the heat from inside the trailer. This load was not pre-cooled. My reefer is throwing me an alarm code because it’s struggling to cool it down. The alarm says to report at the end of the day, but maybe there is an issue with the reefer refrigerant.
     
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  3. motocross25

    motocross25 Road Train Member

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  4. Intothesunset

    Intothesunset Road Train Member

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    You will not be able to deep cool the trailer with potatoes on board.
    You will need to go 10 degrees below what currant box temp is. Than keep going down 10 more degrees in stages until you get down to 35 degrees. Run CONTINUIOSLY!!!! Shut flap door. Make sure vent holes are not plugged.
    You may want to open flap door when you stop for a few minutes to vent. Than close it again.
     
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  5. Cattleman84

    Cattleman84 Road Train Member

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    I always pre cool my trailer to 42 degrees before I load potatoes, then if the BOL states different temp I can adjust when I put the seal on the door. I haul ALOT of bulk potatoes... Over 130k pounds in the last 3 weeks... I never leave the inspection door open. I run the reefer on continuous. The potatoes themselves come straight from the cellar to a transfers truck, then to my trailer.

    Were it me that inspection door would be CLOSED.

    Edit: DO NOT let the temperature of that trailer get under 35 degrees or over 55 degrees... And get the temp to whatever your BOL says ASAP. The potatoes Will be fine for a short time outside the above mentioned temps... But it doesnt take long for potatoes to start getting mushie at higher temps.
     
  6. Vic Firth

    Vic Firth Road Train Member

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    Did you pick the potatoes up at a farm? I’ve hauled a freshly harvested dry van floor load of potatoes directly from a Florida farm to Ohio and all that was required was the front and rear vents to be open.
     
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  7. Intothesunset

    Intothesunset Road Train Member

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    What type of load is this a tater chip load??
    Or is product bagged?
    Or seed taters?
    What temp is required?
     
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  8. PE_T

    PE_T Road Train Member

    By vent holes you mean the four holes located on each corner of the trailer floor? My trailer only has one vent door, which is in the back. There is no vent door in the front by the reefer.

    I reread the BOL, and found no instructions to leave the vent/inspection door open. There is a paper that came with the BOL titled “Trailer Inspection Form” where it says to “make sure all doors and door latches work properly to ensure a tight seal when closed.” Then there is another bullet point that says to “make sure door vents and reefers are set to instructions listed on BOLs,” but again the BOL makes no mention of leaving any vent/inspection door open while in transit. The only load I have ever hauled that required the vent door open was a full load of onions from Idaho, and the instructions were on the BOL along with our initials.
     
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  9. PE_T

    PE_T Road Train Member

    The BOL says 45 degrees for bulk red potatoes, which have absolutely no packaging at all. I have it on continuous. I’ve always used continuous for produce loads as the previous mega company I belonged to drilled it in our heads from day one. I later learned the reason produce loads require continuous setting is due to product “respiration,” which makes it more difficult to cool than a non-living load.

    I currently have the temp set to 45. Should I change it to 35 until the temp lowers to 45? Does putting a lower setting like -10 really blasts the product with -10 cold air?
     
  10. Intothesunset

    Intothesunset Road Train Member

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    What is temp in trailer right now?
    Set at 10 degrees lower than current temp.
    Keep dropping 10 degrees every time it reaches your new setting until you reach 45.
    I'm not sure you want to try doing Sub-Zero temps for very long for risk of flash frost.
    But if you are sitting right now I would maybe try it for about 30 minutes at - temperature below zero and just open the back door for a couple minutes well doing this see if that gets some of the heat out of the trailer.
     
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  11. PE_T

    PE_T Road Train Member

    Yes, it was from a farm. This is my first time hauling a “bulk” potato load. My guess is that bulk in trucking usually means the load will come with no packaging or very minimal packaging like one big box per pallet. In my case of bulk potatoes, they just dumped the product on the floor. I think they will unload it by literally raising the trailer on a mechanical floor so the product will slide down to some conveyor belt or container. I remember watching a YouTube video of this type of unloading.
     
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