Tripac apu primer pump

Discussion in 'Trucks [ Eighteen Wheelers ]' started by 062, Feb 11, 2018.

  1. 062

    062 Road Train Member

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    Oct 20, 2013
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    My primer pump chose to take the day off. Anyone that's had one lose prime knows they're not the easiest to fire back up even with the pump working. I started messing with it trying to get it to fire up,but couldn't get it to run but maybe two seconds. I'm kind of stubborn,so I said this things not going to whoop me,after two hours I finally found a solution. Turn the inlet banjo fitting to the 9 o'clock position and reroute fuel line underneath the breather tube,this way the injection pump isn't pulling fuel up hill.
     
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  3. tnevin225

    tnevin225 Road Train Member

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    Jan 1, 2014
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    Thanks 062, I think I might have one going out to.
     
  4. WildTxn

    WildTxn Light Load Member

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    Feb 19, 2018
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    Also, check your fuel lines for cracks. Sounds like you have a "sucking air" problem. Also, your fuel filter may be clogged. I have several diesel generators, if one starts losing prime, there is usually something else wrong causing it.
     
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