Tilting Cab on Mack
MVCP 03-13-2012
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While lifting the cab on my Mack it started to tilt slightly the it seemed to not have any pressure as I pumped the jack. Added fluid and no change. I took the lines off of the lift cylinder and pumped the jack. Fluid came out but not very much volume..... Seems like jack is dead? Do they make a seal kit or just buy a new one? Anyone have any other thoughts or ran into this problem???
Goose2448 03-13-2012
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I'd give Mack or a Mack dealer a call and see what they suggest.  
Wood 03-13-2012
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your safty hook or hooks are hanging up

 
ALMIMA 03-16-2012
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......Or, don´t use Mack-trucks. Use Volvo or Scania-trucks instead! Swedish high-qualitytrucks.....
Niklas 03-17-2012
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I agree with ALMIMA...Swedish trucks are the best! 
Many 03-18-2012
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Wood had the most logical thought.As I recall if you watch while pumping the hooks should raise and pitch out.In the hing area the often get dirty/rusty and won't unlock correctly.A little lube should help.
Beast 03-19-2012
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take a pry bar and pry the hook as someone is jacking.