Dayton model number 3Z961 head gaskets


i have been searching the internet for head gaskets and a hose for my Dayton model number 3Z961. Do you have any leads?


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If you have not been successful getting them through Grainger (see the Speedaire page for details) then I suspect you can make them yourself getting the gasket material from an auto parts supply depot. Make sure that the gasket materials are high heat rated,

Cheers,

Bill

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I have a Speedaire M/N 3Z492 and it vibrates after it gets warmed up

by Durwin Mitschke
(Houston, TX)

I was performing maintenance on the pump by changing the oil.

The oil was a milky color.

I took the site glass off and put my finger inside the oil reservoir and it had about 1/8 of an inch or more of oily sludge in it. I put about 1 3/4 quarts of oil and 1/4 quart of engine flush and let it run for about ten minutes to loosen up the sludge.

I then drained the oil and put fresh oil back in.

I drained the air out of the tank to about 80psi so the pump would start running. The pressure reached about 100psi and then the compressor unit started shaking and making noise.

It was doing this before I changed oil. I thought maybe the sludge was causing the problem in the first place. Any ideas as to what could be causing the compressor to shake? I do not have a manual.

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Bill says....

Durwin, the most obvious thing to check are the motor mounts. Make sure that the motor is attached securely, and if there are elastomeric mounts between the motor and the base, that they are in place.

If they check out, add a comment here and we will delve deeper.

Cheers,

Bill

Comments for I have a Speedaire M/N 3Z492 and it vibrates after it gets warmed up

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Nov 17, 2011
It is not the motor mounts
by: Anonymous

I did some testing on the compressor and determined that it does not start shaking until the pressure reads about 105 psi. I did this several times and it was consistent at the 105 psi pressure.

I also timed the amount of time it took to reach the 105 psi pressure reading from a totally empty tank (0 psi) and it took 3 minuts and 25 sec. I do not know if that is a normal amount of time. Any answers?

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A motor mount was too easy, I guess.

That the compressor does not start vibrating until 105 PSI suggests the issue is load related.

If it were a damaged or misaligned drive, the vibration would be occurring all the time, unless, the increasing load is affecting or deflecting a bearing.

Anyone else?






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5F237 air tank leaks

by Charlie
(Brick New Jersey)

air tank has pin holes leaks air model 5F237. need new air tank

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Bill says...

Charlie, Grainger might be able to help you with that as they have the Speedaire house brand.

Guessing that they can't, however, find out who fixes air compressors on warranty for your local big box stores near where you live. Those folks can probably fix you up with a new tank.

And, if you can do some plumbing yourself, you don't necessarily need the same tank, just one that you can connect the pump to.

Cheers,

Bill

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Does it matter which direction the compressor is rotating?

Single piston compressor pump (Photo: ww.slamvalvemotor.com)

Single piston compressor pump (Photo: ww.slamvalvemotor.com)

does it matter which direction the compressor is rotating

Dayton compressor
motor rotating counter clockwise

can compressor rotate either direction and work properly
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Friend, I have never changed a compressor motor to reverse the rotation of the shaft to a compressor pump, so I do not know for sure, and I welcome comments from those that have.

My thoughts are this. The motor shaft is turning a crankshaft that converts rotary motion into linear motion of the piston inside the cylinder. Regardless of which direction of rotation the crank is turned, it will still generate the same reciprocating movement of the piston in the cylinder.

If there no other actions being driven by the crank except the piston reciprocating, then I don't think the direction of rotation matters.

So, if it were my air compressor, and if, for some reason, I had a motor with a shaft that was rotating in the opposite direction, I would not worry about changing the motor rotation. But then, that's just me.

To be absolutely sure, why not contact Grainger (see Speedaire page) as I believe the Dayton brand is their air compressor, and get the info direct from them? If you do, others would like to know, so please post a comment here.

Cheers,

Bill

Comments for Does it matter which direction the compressor is rotating?

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Aug 14, 2014
Rotation
by: Bill

Yup. No argument from me.

Aug 14, 2014
yes rotation matters on some compressors
by: Anonymous

The direction of rotation is indeed a factor on pressure lubed compressors and the direction of rotation could matter on a splash lubed compressor if it is designed with a flap or splasher internally to that may only work when it turns correctly. The actual pumping of the compressor may not be affected at all in either of these cased and you will only see the problem arise when it starts knocking or locks up. The direction of the pulley also matters since it acts as the fan to move air across the pump to help cool it and could affect it that way also. Normally if a pump is designed to rotate a certain direction the pulley will have a directional arrow on it in some form.

Dec 29, 2011
good
by: Anonymous

yes u r right......

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