ROTARYCOMPTECH

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@Pollux95630 12 күн бұрын

I’ve got one of those and thdd we motor hums and makes noise like stuff is happening inside, but the output shaft on the motor itself is not turning. I think the motor is shot. It’s a very odd looking motor too. Seems to be full of another gear reduction unit and the output shaft is offset to one side of the motor block.

@rotarycomptech 16 күн бұрын

www.amazon.com/DCYL/b/ref=bl_dp_s_mw_117527275011?ie=UTF8&node=117527275011&field-lbr_brands_browse-bin=DCYL

@davidbrescia7037 18 күн бұрын

This is a great video and a lifesaver for those of us who are not as "electrically talented!" That said, I'd like to incorporate an on/off toggle switch as your compressor has. Would you please provide specs on a suitable switch? My compressor is an IR 2475 with 7.5 hp, 230 volt single-phase motor and a 40 amp magnetic starter. Thank you very much, and I look forward to your next video!

@rotarycomptech 18 күн бұрын

@@davidbrescia7037 hey thanks a lot. I appreciate it David. Almost any toggle switch will work or even a light switch for that matter there is virtually no load on that part of the circuit as it just controls the power to the coil in the magnetic starter, which has the draw of about a 60 W lightbulb, but that’s just a guess but I know it’s not much

@davidbrescia7037 17 күн бұрын

@@rotarycomptech Okay, that's good to know! I happen to have a Leviton 230 volt switch that came with a large electric garage heater so I will use that. Again, thank you so very much for sharing your technical knowledge and experience! It's more than appreciated as it keeps those less knowledgeable safe! Best wishes for Happy Holidays, and I will send a picture of the frankenstein air compressor once I get it assembled!

@rotarycomptech 17 күн бұрын

@ once again thanks for the kind words, my friend David, I also use this website for the same things that you’re using my video for it is quite handy for a lot of situations in life

@TNFMECHANICAL Ай бұрын

How does the unloader valve work. Does it just shut off air flow to the compressor?

@rotarycomptech Ай бұрын

@@TNFMECHANICAL it basically closes the inlet valve and vents the sump pressure to atmosphere

@TNFMECHANICAL Ай бұрын

@@rotarycomptech ok thanks. Is there 2 Valves? 1 to shut off the inlet and 1 to vent the sump?

@rotarycomptech Ай бұрын

@ there’s actually three valves, the inlet velvet itself, the three-way solenoid valve, and the blow down valve.

@chuckpage3890 Ай бұрын

The hydraulic unloader mounted on the side. The inlet is fed from the pressure switch that is fed from the receiver. The outlet is feeding the top of the unloader until oil pressure reaches set rating. Hydraulic unloader then closes air from going to the top side of the unloader. The question or rather the problem I'm having is that when the compressor reaches the turn off pressure setting it shuts off and tries to restart and will stop and try to restart and this process continues until you turn off the switch. All inlet valves and discharge valves have been changed, installed 3 different unloaders and a new pressure switch. What would cause it to stop and restart, stop and restart continuously?

@rotarycomptech Ай бұрын

@@chuckpage3890 it sounds like you have a faulty pressure switch, where there is no more differential left if that makes any sense to you

@frankcanale3467 Ай бұрын

I am rebuilding a Quincy 325-ROC 13. I have a question about the crank case vent tube. In the video at 2:42 the vent tube is clearly shown to have the open side of the angle facing to the inside of the crankcase. I only have a parts manual for a record of change 107 and it shows the angle facing the crank case wall. I had to remove may vent tube to clean and repair the o ring sealing surface and now want to make sure which way to install it. any help is appreciated. Frank

@rotarycomptech Ай бұрын

@@frankcanale3467 well Frank, I really don’t think it would make much difference as long as it’s in there. You should be fine although I’m sure the manufacturer had it in a certain direction for a reason so maybe just put it back to the way you found it.

@russelljohnson1303 Ай бұрын

I had a 92 sedan DeVille for my first car. Absolutely comfortable quiet and so smooth.

@chosen1one930 2 ай бұрын

Not damage at all. Its just what happens when temperature reaches a certain point, once it goets warm and soil temp recovers its green again. Its completely natural to see brown purple on every golf course when temps gets low. Frost damage is actually damage

@rotarycomptech 2 ай бұрын

@@chosen1one930 o ok whatever you say

@beartracks283 4 ай бұрын

Love 😂 the tool talk I feel with you brother

@MrFritz6940 4 ай бұрын

@Rotarycomptech i have the same compressor. ROC 14. If the unloader is not hooked up, will it not build pressure? Or not be able to release pressure?

@rotarycomptech 4 ай бұрын

@@MrFritz6940 not able to unload or if you like release pressure

@FranciscoInfante-w7m 5 ай бұрын

Excellent video.

@donh90 6 ай бұрын

5:31

@robertdunn7021 6 ай бұрын

great

@KrisWidener 6 ай бұрын

hey whats up buddy, what would make air end oil come out the relief valve after shutting air valve to unload

@rotarycomptech 6 ай бұрын

It sounds like the compressor, not unloading or not blowing down properly and going over pressure, causing the sump tank relief valve to lift

@JoeyandCamo 6 ай бұрын

I miss my home city and state

@superpeluso1 6 ай бұрын

Interesting

@martyrehfeld8526 7 ай бұрын

Whats fhe Best way to do a fluid change on these? Just changle filter, Drain sump and refill? Or is there a way to drain the system and refill? Cant seem to figure out what point to fill to. (I only drained the sump and refilled)

@rotarycomptech 7 ай бұрын

You’re better off to drain it under pressure, remove the quarter inch control line that goes to the blowdown valve then shut the machine down and it will maintain some pressure without blowing down

@john15333 7 ай бұрын

Hi Dave, are you still doing this type of work? I have a quincy model 206 roc 1. It belonged to my grandfather and he recently passed. I'm looking to pay for some help with bringing it back to life. Thank you.

@rotarycomptech 7 ай бұрын

I retired about six years ago. I don’t know where you’re located, but I am still mechanically active in many different activities.

@john15333 7 ай бұрын

Really appreciate your work. I really enjoy learning from your knowledge. I'm in metro detroit, but spend a lot of time in Madison WI, and Central IL. It seems youtube wont let me post a contact for email or phone number! I would love to be able to speak to you, but unsure how. John

@rotarycomptech 7 ай бұрын

@@john15333 [email protected] Is my email address?

@john15333 7 ай бұрын

Thanks. Email sent!

@EdBreitenbach 8 ай бұрын

Where is the best place to buy new valve components for rebuilding my top end of my 325?

@rotarycomptech 8 ай бұрын

At this point, I don’t think it really matters much after Atlas Copco bought the company. I think most of the parts come from China.

@hoppephotography 8 ай бұрын

Worthless

@rotarycomptech 8 ай бұрын

Thanks for the nice comment. I do appreciate it.

@tom18181 9 ай бұрын

So hows it going after all these years ? Nice old beast

@Velislide 10 ай бұрын

No assembly lube on the oil pump? Or even oiled it up? Ouch.

@rotarycomptech 10 ай бұрын

8:22 you may want to look at the video again

@MECHANISMS2SEE 10 ай бұрын

Nice work thanks for sharing !

@incompetentdiplomat3716 10 ай бұрын

I always wondered what song they used for the first advert

@hvguy 11 ай бұрын

I've got an es-6 that starts and loads up to 40 amps and blows the breaker. It's been sitting for a long time. Do you think the minimum pressure valve is stuck? Nothing comes out of the outlet

@rotarycomptech 11 ай бұрын

How long does it run for before it trips the breaker?

@andyguss1861 11 ай бұрын

Thank you for making this series. I have learned a ton about which tools to use and the techniques used for different steps in this tear down and rebuild. I have a couple of questions about some of the steps that weren't shown in the series involving cleaning and priming. What do you use to polish the journals on the crank? I am guessing you don't use a wire wheel on any of the machined surfaces. When you primed the parts, did you mask off the machined parts. and if so what do you use? At one point you said you were going to let something, I think it was the crank, soak in the "cleaner". What cleaning solution are you using? Thank you!

@rotarycomptech 11 ай бұрын

I just used Emery paper on the crankshaft journals. I cleaned all of the castings with old-school carburetor cleaner any paint that I got on the surfaces of the crank case. When I primed it, I wiped off with thinner. Checked out your video on your air compressor on your channel and it looks like you may have an obsolete unit At least, as far as the high-pressure valves go, I believe they are non-existent at this point

@charleskutrufis9612 Жыл бұрын

Let me add my appreciation and thanks. This was as good as it gets.

@rotarycomptech Жыл бұрын

Thanks Charles I appreciate your comment✌️

@ryanfox7529 Жыл бұрын

I just bought one😅

@3madeamps Жыл бұрын

Why did you do this ?? And how do the pumps work?? I have 308 and a 240

@rotarycomptech Жыл бұрын

Continuous run operation

@chienan01 Жыл бұрын

Thank you for sharing the video. It is incredibly valuable for service technicians who are performing this task for the first time. Your willingness to share your experience is greatly appreciated

@rotarycomptech Жыл бұрын

Hey, thanks a lot man I really appreciate it!

@HowToMod32 Жыл бұрын

Hi, what would cause an unloader tower to only unload air when the intake port has been blocked? if i manually press down on the unloader piston it wont unload much air. If i block the intake port and then press down on the unloader tower piston and remove my hand from the intake port it unloads air. Any ideas? Your videos have been a great help with my 310, here is a video of what i am talking about. kzbin.info/www/bejne/e6GwYn2heLuIoac

@churchillogarza2823 Жыл бұрын

muchas gracias tengo en mi trabajoun compresor igual, y gustaria conocerlo mucho mas ya que es a la par de la electrcidad el alma de la empresa

@boxer71c55 Жыл бұрын

I know this is an old vid but im confused on hooking up the pressure and on off switch. You say the coil is that not L1 and L2? thanks.

@rotarycomptech Жыл бұрын

Correct the coil is not L1 or L2

@jordanreeves721 Жыл бұрын

I have a 310 of similar age with out oil pump. Looks just like this. Mine leaks out of unloader valve. Any suggestions. What rpm are these suppose to spin at to work properly? I can't find out much about it.

@rotarycomptech Жыл бұрын

The rpm should be roughly around 800. As far as the unloader goes it may just be out of adjustment. There are some shims that are located between the valve, body and the housing the shims are used to set the travel of the internal centrifugal unloader mechanism. It may just be out of adjustment.

@jordanreeves721 Жыл бұрын

@rotarycomptech thanks so much for replying with helpful info. I'm going to take another dive into it

@jordanreeves721 Жыл бұрын

Man I was wrong about my model but it looks like this. I found the model # which is 325-1. Air leaking from unloader as fast as it pumps. I'm assuming it works about yhe same way as this one right?

@jordanreeves721 Жыл бұрын

Have you made a video of how to adjust these type of valve. Having trouble finding info about this dinosaur and I'm out in kentucky compressor places around here haven't seen stuff this old

@rotarycomptech Жыл бұрын

@@jordanreeves721 yep

@charlesvandenberg261 Жыл бұрын

How can I get a three-way valve for that

@rotarycomptech Жыл бұрын

I’m not sure if they make that valve anymore. Let me make a couple of phone calls and I will let you know what the part number is and if there even is an availability of that.

@rotarycomptech Жыл бұрын

I’m afraid that part is more than likely obsolete I can’t even find a part number for it anymore, you’re probably going to have to go with a in tank check valve and pressure switch unloader set up, Or you might want to ask The, big fat, dumb compressor, guru on the you tube TV, He works on nothing but entry-level, small air compressors. He might be able to help you.

@charlesvandenberg261 Жыл бұрын

Thanks

@biswasgurung2130 Жыл бұрын

Sit,doesn't work Arab here in now July.

@rotarycomptech Жыл бұрын

I’m going to go out on a limb here and guess that it is shutting down on high discharge temperature

@hammothw4814 Жыл бұрын

any books you recommend for air compressors/pumps maintainence, and repair?

@rotarycomptech Жыл бұрын

No, unfortunately none that I know of

@hammothw4814 Жыл бұрын

hi, what is the best trade to apprentice in if you job will be servicing pumps and air compressors?

@rotarycomptech Жыл бұрын

I would have to say probably the industrial line of refrigeration.

@hammothw4814 Жыл бұрын

@@rotarycomptech thanks.

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF, YEAH!!

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!!😂

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!!!!😢

@diezelkuchar6560 Жыл бұрын

What is the procedure for setting inlet valve clearance on a sullair that uses a diaphragm based control unit?

@rotarycomptech Жыл бұрын

@@diezelkuchar6560 I obviously don’t know the machine that you’re working with, but it still remains the same if it is an analog machine or a PLC control machine. Get the machine to run unloaded adjust the linkage on the control arm and or the position of the butterfly inlet valve. You’re trying to get the compressor to maintain around 60 pounds of unloaded some pressure. And that’s basically it

@rotarycomptech Жыл бұрын

@@diezelkuchar6560 One more thing if you’re working with a machine with a pressure switch typically an Allen, Bradley pressure switch is all you have to do to get the compressor to run on loaded is remove one of the wires from the pressure switch. Hopefully this helps.

@diezelkuchar6560 Жыл бұрын

@@rotarycomptech Thanks you for getting back to me this is very helpful.

@austinhancock2204 Жыл бұрын

Would you be able to do a service call over the phone/maybe face time? We have a diesel 750 sullair and a diesel 375 ingersoll rand I am trying to diagnose some issues on the air ends. Thanks in advance.

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT GOOF!!!!

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!!!!

@tigwelding123 4 ай бұрын

What's wrong with The Compressor Guru

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!!!

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!!

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB FAT GOOF!!!!!

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!!!

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!!

@rotarycomptech Жыл бұрын

THE COMPRESSOR GURU IS A BIG FAT DUMB GOOF!

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