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power pack builds up pressure...

Discussion in 'Truck & Equipment Repair' started by rret, Feb 8, 2007.

  1. rret

    rret Junior Member
    Messages: 4

    tried to get an answer to this on the newbie forum but got no response:

    I have an older Western (cable controlled) power pack that I'm trying to figure out if it's okay or not. after cycling the cylinders (all 3 of them) I sometimes want to look at the fluid level and so I unscrew the fill bolt. When i do this, fluid comes out under pressure. if i don't have a rag on top of the bolt, fluid shoots out everywhere. IS THIS NORMAL? is it normal for the power pack itself to build up pressure?
     
  2. loyboy

    loyboy Member
    from KCMO
    Messages: 86

    you are probly getting air in the system from somewhere. it probly has a leak somewhere also right? maybe you're turn rams?
     
  3. 84deisel

    84deisel Senior Member
    Messages: 696

    it is normal .After every storm we check all levels in the trucks and some squirt the fluid ,others run out with the plug and some are fine. We have about 30 westerns both unimount and ultra mount.
     
  4. MickiRig1

    MickiRig1 PlowSite Veteran
    Messages: 3,617

    Your going to get stuff in the system no matter what you do. Air is going to increase the volume of fluid in the system with bubbles. Don't over fill it either.