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  1. #14
    Join Date
    Sep 2008
    Western PA
    Quote Originally Posted by Tommy knocker View Post
    Yes sir. You close the discharge service valve and start it the valves will difinately get junked. Just close the suction service valve. If it pull down comp valves good go to LLS. If it doesn't pull down and hold get a valve plate.
    Not necessarily.

    I've done this in my much younger and less wise days.

    That compressor is still in operation with no repairs made to it.

  2. #15
    Join Date
    Sep 2011
    are there tools used to check the piston and bore, or is this simply a visual inspection? if air cooled, how do i check the wrist pin?

  3. #16
    Join Date
    Nov 2009
    Richmond, working under tarps
    close suction service valve, jump LPS till 0psig in crankcase, looking at crankcase and dis pressures, does the crankcse rise to dis pressure?

    Is there an oil seperator?

    If the compressor is only open dis, and the crankcase pressure rises and equalizes with dis, you have bad discharge valves.

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