I bought a 74 your old compressor with a Quincy 325 – 14 pump. - Page 4
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  1. #61
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    Any decent hardware store will have the belts you need. A contactor should be intuitive on how it needs to be wired, if you think about it a bit, especially since you have no latching circuit with this application.

  2. #62
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    Quote Originally Posted by dundeeshopnut View Post
    Any decent hardware store will have the belts you need. A contactor should be intuitive on how it needs to be wired, if you think about it a bit, especially since you have no latching circuit with this application.
    The contactor is fairly intuitive except where the pressure switch connects up to it.

    20210319_142940.jpg
    I just need to measure the belt so I can get replacements.

    Goodies arrived today. Valve rebuilt kit.
    20210319_145632.jpg
    Last edited by mark_b; 03-19-2021 at 02:46 PM.

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  4. #63
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    Special compressor are crazy expensive. Here are two more tools I made to help take the compressor pump apart.
    The big wrench I cut out of scrap and welded it together. It worked great.
    20210320_193208.jpg

    This tool was a set of socket adapters I had never used the largest on so I converted it into a tool. I cut a grove in it then I added 3/16 and 11 gauge sandwiched together.

    20210320_233136.jpg

    As you can see, I have some clean up to do.
    20210320_235100.jpg
    20210320_233821.jpg

  5. #64
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    Quote Originally Posted by mark_b View Post
    The contactor is fairly intuitive except where the pressure switch connects up to it.

    20210319_142940.jpg
    I just need to measure the belt so I can get replacements.

    Goodies arrived today. Valve rebuilt kit.
    20210319_145632.jpg
    Where is your crankcase gasket? The inspection cover is prone to leak unless it is flat and sealed real well. Whoever sold you this, doesn't know Quincys. You don't need a head and intercooler gaskets for a valve service. Do check your valve spring pockets for wear, as older the round wire springs did tend to wear into the cast housings.

  6. #65
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    It has a head gasket and intercooled gaskets but no crank case gasket.
    Last edited by mark_b; 03-22-2021 at 09:23 AM.

  7. #66
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    As you can see the diaphragms were very bad on this one.
    20210321_154935.jpg

    The cylinders look great.
    The head and valves are all cleaned up. A few hours in the cleaning tank scrubbing.
    20210321_113728.jpg
    20210321_113552.jpg

    Then pressure washed the head one last time with the red pressure washer tip.
    Time to lap the valves.

    The head cleaned up pretty nice.
    20210321_231932.jpg

    After and before
    incollage_20210322_004113693.jpg
    Last edited by mark_b; 03-22-2021 at 07:46 AM.

  8. #67
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    Two new belts are on order. www vbeltguys com
    pretty good prices on belts and shipping. (flat rate shipping)
    the belt is B67 5/8" by 70" outside. $20.75 shipped for two V belts.

    That seems very fair to me.
    I getting supper close to having everything I need to finish.
    I need to lap the valve surfaces. Clean head mating surfaces piston top and put the head back on.

    I still need to do the dreaded painting. I hate to paint.
    If I had my big powder coating oven built I would just powder coat it.

  9. #68
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    Quote Originally Posted by mark_b View Post
    Two new belts are on order. www vbeltguys com
    pretty good prices on belts and shipping. (flat rate shipping)
    the belt is B67 5/8" by 70" outside. $20.75 shipped for two V belts.

    That seems very fair to me..
    So $10 per belt seems too cheap to be good IMO. I guess you'll find out.
    There are some belts out there from Mexico that'll stretch forever if they don't de-laminate and shred first.

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  11. #69
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    This is the first time I have tried them. I did search for reviews and found some favorable ones so I thought I would try them.

    I will not toss out my old belt just in case.
    Last edited by mark_b; 03-23-2021 at 08:47 PM.

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    Quote Originally Posted by dkmc View Post
    So $10 per belt seems too cheap to be good IMO. I guess you'll find out.
    There are some belts out there from Mexico that'll stretch forever if they don't de-laminate and shred first.
    The Gates belts from Mexico have been VERY good to me. Just retired a pair that were done running a 15kw generator from a Mercedes OM636 diesel after 4200 hours over 10 years. Now you want real crap, Jason Industrial. Had 2 B series that wern't even the same length!

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    I bought Mexican mower belts once from Tractor supply, they lasted exactly 20 minutes before shredding. I took the shreds back and got a refund.


    Quote Originally Posted by dundeeshopnut View Post
    The Gates belts from Mexico have been VERY good to me. Just retired a pair that were done running a 15kw generator from a Mercedes OM636 diesel after 4200 hours over 10 years. Now you want real crap, Jason Industrial. Had 2 B series that wern't even the same length!

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  15. #72
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    We have had so many sales on my side CNC plasma business that I have not had time for my compressor.
    I finally got the right bearing seal in on Friday and I installed it yesterday.
    No more leaking oil out and covering compressor with oil.
    20210328_222727.jpg

    It does not look like much but I am happy to get it installed.
    Last edited by mark_b; 03-29-2021 at 09:32 AM.

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  17. #73
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    Baby steps man. As long as it is moving forward albeit slow. I try to do something on a long term project everyday even if it is only a 5 minute job. Even searching for a specific part or fastener counts. LOL

  18. #74
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    I cleaned up the head gasket and top of the pistons.
    When you install the new head gasket do just install it dry?

  19. #75
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    Here is the head / pistons
    20210409_091717.jpg

    The valves are lapped and all rebuilt but one.
    I need a new bolt for the discharge valve and the thick platform washer. The discharge valve bolt is broken off and platform washer looks like it has seen better days.
    Looks like it is time to call local Quincy dealer.
    20210410_103208.jpg
    I found the bolt on ebay expensive but on its way.
    I think I can clean up the platform washer and flip it over. The other side looks great.

  20. #76
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    I called Quincy and ordered the platform washer. I priced the bolt and I should have ordered the bolt from them also.
    Next time I will check from them first and go from there.
    Quincy has a Warehouse 2 hours from me so I should have the part this week.

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  22. #77
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    A week ago, Quincy said they would ship my $3 washer from a warehouse 2 hours away that day.
    A week later I still do not have them I did get a $25 charge on my credit card. They charge me $22 to ship one washer two hours drive away.
    I guess I will call them again. They said they shipped Friday. But UPS is one day from me.

  23. #78
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    Yea, when I read post #76, I thought "He needs to go read the USPS -- UPS sucks thread"


    Quote Originally Posted by mark_b View Post
    A week ago, Quincy said they would ship my $3 washer from a warehouse 2 hours away that day.
    A week later I still do not have them I did get a $25 charge on my credit card. They charge me $22 to ship one washer two hours drive away.
    I guess I will call them again. They said they shipped Friday. But UPS is one day from me.

  24. #79
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    Nine days later this is what a $25 washer looks like.

    20210422_100244.jpg

    But I finally have the parts to put the head back together.
    This was not UPS fault it was Quincy not giving the part to UPS. Then charging $22 for shipping a washer.

  25. #80
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    I would have made one. And chamfered the sharp edges as well. Shame on Quincy.

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