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  1. #14
    Join Date
    Mar 2012
    Location
    montreal/canada
    Posts
    81
    First of all where do u live second does the chiller have lots of load the reason why I am asking u that depending on where u live and if it is cold and ur chiller has a small demand chances r u compressor starts every other day to equalize compressor run time and trane has a sb called first cold start of day where the piston is so worn out it trips on low oil replace the piston
    For the other question I think u didn't install it gaskets or solenoids right
    U could have a issue with the lip seal but there is a service bulletin to explain how check this out

  2. #15
    Join Date
    Apr 2006
    Location
    Columbus, Ohio
    Posts
    784
    Quote Originally Posted by Pat A/C View Post
    First of all where do u live second does the chiller have lots of load the reason why I am asking u that depending on where u live and if it is cold and ur chiller has a small demand chances r u compressor starts every other day to equalize compressor run time and trane has a sb called first cold start of day where the piston is so worn out it trips on low oil replace the piston
    For the other question I think u didn't install it gaskets or solenoids right
    U could have a issue with the lip seal but there is a service bulletin to explain how check this out
    I verified the valves, and gaskets again today. The valve holes line up with the holes on the compressor just as they were taken off. I also verfied the gaskets. It appears that they will only line up one way. I installed everything just as it was pulled off. On Tuesday me and our chiller guy are going to change the piston and do a lip seal kit. I have read some of the bulletins on the piston change out. What are the odds that the piston will turn, and i have to remove the suction end? Any recommendations on removing the piston nut without worrying about anything? For this piston install do we need to turn the compressor outward to service it or can we just do it in place?

    Thanks for the help!
    J. King

  3. #16
    Join Date
    Mar 2012
    Location
    montreal/canada
    Posts
    81
    No u do not need to turn the compressor and for ur other question u will only know when u try to unscrew the bolt if the rod turns u could not do anything to prevent this and ever the rod does turn do not atempt to remove the suction cover u need to remove it from place and send it to compreesor repair shop

  4. #17
    Join Date
    Apr 2006
    Location
    Columbus, Ohio
    Posts
    784
    Quote Originally Posted by Pat A/C View Post
    No u do not need to turn the compressor and for ur other question u will only know when u try to unscrew the bolt if the rod turns u could not do anything to prevent this and ever the rod does turn do not atempt to remove the suction cover u need to remove it from place and send it to compreesor repair shop
    Thanks! Have you ever had it spin? If so how often does it seem to happen?
    J. King

  5. #18
    Join Date
    Mar 2012
    Location
    montreal/canada
    Posts
    81
    Out of 10 piston replacements it happened once let me know how it goes

  6. #19
    Join Date
    Mar 2004
    Location
    ottawa canada
    Posts
    2,045
    Quote Originally Posted by Pat A/C View Post
    and ever the rod does turn do not atempt to remove the suction cover u need to remove it from place and send it to compreesor repair shop
    Incorrect , it is fixable on site . Ive done it and there are bulletins on how to do it inc parts etc .
    The 64 roars to life Whoo hoo ...shes a rolling chassis .
    You bend em" I"ll mend em" !!!!!!!
    I"m not a service tech.. I"m a thermodynamic transfer analyst & strategic system sustainability specialist
    Best Austin Healey In Show twice in 2013 .....All those hrs paid off .

  7. #20
    Join Date
    Mar 2012
    Location
    montreal/canada
    Posts
    81
    Healey u r right but not everyone could do this myself i already did it,but based on what he had said it is the first time he is changing a piston i do not know how much experience he has because it is a really delicate job, and the other thing i do not know the age of the unit, it must be around 10 years old with lots of compressor run time depending where u live up here in Canada they run six to eight months of the year.At this point u rebuild the compressor and ur good for another 10 years.

  8. #21
    Join Date
    Apr 2006
    Location
    Columbus, Ohio
    Posts
    784
    Quote Originally Posted by Pat A/C View Post
    Healey u r right but not everyone could do this myself i already did it,but based on what he had said it is the first time he is changing a piston i do not know how much experience he has because it is a really delicate job, and the other thing i do not know the age of the unit, it must be around 10 years old with lots of compressor run time depending where u live up here in Canada they run six to eight months of the year.At this point u rebuild the compressor and ur good for another 10 years.
    The piston, and the Lip Seal Kit fixed the problem. Thanks For the Help!
    J. King

  9. #22
    Join Date
    Jan 2008
    Location
    Dallas ,Texas
    Posts
    3,711
    Quote Originally Posted by Pat A/C View Post
    Healey u r right but not everyone could do this myself i already did it,but based on what he had said it is the first time he is changing a piston i do not know how much experience he has because it is a really delicate job, and the other thing i do not know the age of the unit, it must be around 10 years old with lots of compressor run time depending where u live up here in Canada they run six to eight months of the year.At this point u rebuild the compressor and ur good for another 10 years.
    Where are you located Pat?
    UA 100

    It takes three people to do anything around here. Two do the work, one explains to the crowd of people who showed up when they seen smoke and flames.

  10. #23
    Join Date
    Mar 2012
    Location
    montreal/canada
    Posts
    81
    Montreal Canada

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