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TK SBiii high/low speed

Discussion in 'Refrigerated Trucking Forum' started by rogueunh, Jul 15, 2014.

  1. Jul 15, 2014 #1
    rogueunh

    rogueunh Road Train Member

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    On my Carrier units, high speed can be disabled by simply unplugging it. Anyone know if this can be done on a TK SBiii?
     
    rogueunh, Jul 15, 2014
    rogueunh, Jul 15, 2014
    #1
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  3. Jul 15, 2014 #2
    loose_leafs

    loose_leafs Road Train Member

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    Why would you want to do that?
     
    loose_leafs, Jul 15, 2014
    loose_leafs, Jul 15, 2014
    #2
  4. Jul 15, 2014 #3
    rogueunh

    rogueunh Road Train Member

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    High speed isn't needed for what I do, low is plenty and it saves a lot of fuel.
     
    rogueunh, Jul 15, 2014
    rogueunh, Jul 15, 2014
    #3
  5. Jul 15, 2014 #4
    ShortBusKid

    ShortBusKid Heavy Load Member

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    Does the SB3 have the rabbit button to force it into high speed? I would think you could disable it that way? I have owned 3 carriers and only one TK SB210 so I'm trying to remember what the older SB3 has for a control pad. I'm assuming you looked and there wasn't an easy high speed solenoid to disconnect like on a carrier???
     
    ShortBusKid, Jul 15, 2014
    ShortBusKid, Jul 15, 2014
    #4
  7. Jul 15, 2014 #5
    UsaTraveler22

    UsaTraveler22 Bobtail Member

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    I have an SB 300 and have run it for awhile with the high speed disconnected. On mine, there was a rod with a slight bend in it that connected the solenoid to the throttle. It has a ball socket on both ends and just snaps off by hand. The screen still shows the rabbit when it's in "high speed" but it functions normally. I have hauled frozen on hot days with this setup and no issue or codes.

    After talking to a friend of mine though, I like to hook it up every now and then to blow the bugs out. He said he had seen motors that ran low speed all the time and they had a lot of carbon build up. So it wouldn't hurt to let her scream once in awhile.
     
    UsaTraveler22, Jul 15, 2014
    UsaTraveler22, Jul 15, 2014
    #5
  8. Jul 15, 2014 #6
    STexan

    STexan Road Train Member

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    Isn't that going to mess with the defrost cycle time? (low speed only)
     
    STexan, Jul 15, 2014
    STexan, Jul 15, 2014
    #6
  9. Jul 16, 2014 #7
    rogueunh

    rogueunh Road Train Member

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    With the Carriers no it doesn't, defrost works fine.
     
    rogueunh, Jul 16, 2014
    rogueunh, Jul 16, 2014
    #7
  10. Jul 16, 2014 #8
    rogueunh

    rogueunh Road Train Member

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    Don't see an obvious disconnect like a Carrier. The Carrier one is so obvious, not so with the TK.
     
    rogueunh, Jul 16, 2014
    rogueunh, Jul 16, 2014
    #8
  11. Jul 24, 2014 #9
    rogueunh

    rogueunh Road Train Member

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    Not that anyone cares, lol, but I figured out how to do it. Just cut the line going to the throttle solenoid and put in a plug connector. Unplugged now it only runs in slow speed, worked good.
     
    rogueunh, Jul 24, 2014
    rogueunh, Jul 24, 2014
    #9
    Panhandle flash Thanks this.
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