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Discussion Forum

Re: Yet another holman howden compressor thread

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11-07-2012 06:17:33

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Thanks for the reply.
Just a little background I should have added in my post. I was a compressor tech for 8 years till i left the industry 15 years ago so I do have a little experience with these. :)
I should also have added the numbers from the air end. It is a Compair Holman 1265 4918 and it run with the Ford 4cyl 2711E diesel engine.

The separator definitely needs changing, the unit was obviously overheated once or twice in its life span and has a few cooked spots on it. the staples are intact and I will assure the replacement has them as well.
The fuel cutout I refer to is a mechanical cutout, plumbed from one of the ports on the air end discharge housing to a small hydraulic cylinder that would push the fuel shutoff lever to 'off' when pressure is applied to the line.

The 1/4" tubing from the hydraulic cylinder is still in place and ends right at the discharge housing where the port I mentioned is.

On the side of the discharge housing there are 2 ports plugged with pipe plugs, one right above the other. Its those ports I need information on.
I put a gauge in the port that looks like it was recently tinkered with and get full discharge pressure on the port, but to be honest both plugs look new with fairly clean teflon tape on them so I may have the wrong port.
It is possible the port had a sacrificial thermal pellet in it and it was melted on the last overheat or there is some form of thermostatic mech that is missing/broken. I have no problem tearing into this unit but it sure would be nice to know what is supposed to be in there before i do.
I have inspected the rest of the unit, checked the condition of the rotors and even stethoscope'd the bearings and for the age it is in surprisingly good condition, I just need to sort out the safety cutout and it'll be ready to work again.


This post was edited by Kilroy2k1 at 06:29:30 11/07/12.

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11-07-2012 07:59:24

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 Re: Yet another holman howden compressor thread in reply to Kilroy2k1, 11-07-2012 06:17:33  
I have the literature though the accompanying xeroxed photos are just black blobs.

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11-07-2012 08:09:55

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 Re: Yet another holman howden compressor thread in reply to circus, 11-07-2012 07:59:24  
Would like any info you might have for a mid 70s Gardner Denver SPHGA or SPHGC Ford 240 6 cyl

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11-07-2012 07:36:03

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 Re: Yet another holman howden compressor thread in reply to Kilroy2k1, 11-07-2012 06:17:33  
Sounds like your in one of those prediciments I find my self in on many occasions where the answers coming from the factory are essentially that, 'the man who knows what your asking died a few years back', or something to that effect. I used to have a pretty good go to guy for the Compair stuff but as far as I know he just got out of the business/retired about 8 years ago and I haven't found a replacement. As for myself allof the old books I've got are for the brands I mentioned before, and unfortunately none of them are from Compair. Ultimatly I will keep my eyes open for you, and see what I can find out as the whole deal has gotten me curious, espeically after you posted the additional information.

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