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That fan has been there for a long time, from the design of the motor casing. I'd bet that the tension bolt is rusted or stripped. In my opinion, he did pretty good with what he had in front of him.

My hat is off to that technician. Wish I had thought of it myself.

Agreed. Their parts pricing matrix is obsurd.

I see it as a top of the balance sheet, cost cut. Daikin is beating everyone in the marketplace on equipment pricing structure for the Large Commercial and Applied products. How do you get there? ...

As a chiller/central plant mechanic for decades, mine was caused by turning wrenches and pulling on chain falls all day every day. At times, I would suddenly lose all grip strength in my hand for a...

If you are sending voltage to the slide valve, but it isn't loading, then I would start by troubleshooting the slide.

Merry Christmas Jay and others. Enjoy the time off with your families. Overhaul/annual season is a few weeks away.

This would get a better response in the controls forum. We are just a bunch of wrench turners here.

NO. There is a reason that the setting is for 54 degs. Something is preventing your economizers from keeping up on those SWUDs. You either have dirty economizers or the load is too great.

Let...

Correct answer. On those units with a compressor running, the economizer isn't making setpoint. Time to clean the economizer or check for water flow issues at those units.

A company with $10 million in annual gross will only sell for $0.06-0.08 on the dollar. What you are buying is customer base alone. That transaction price has to be supported by some real estate...

I've never seen a 19 caliber, so I've been using 17. They seem to work pretty well. But maybe 19 is better.

.17 caliber

A lot of it depends on the employer and the situation they are in. Most of the large corporate companies will not hire a felon. Period. Residential is going to be tough as well, due to the direct...

We got our black Lab/Husky mutt as my youngest son's dog. Shortly after joining our family as a puppy, he adopted me as his human. He is 4 now and is my almost constant companion. When the time...

I also wanted to compliment you on the quality of your ad. Most leave a lot to be desired. If a guy was looking to relocate, this is the type of posting that would get attention. Well done.

All of the franchises were contingent on the original franchisee. This contingency was in the original contract. There are provisions for their children to continue the franchise, but the rules...

Good advice above. I've done them several times in one long day. That sucks, but sometimes you don't have a choice with a process machine.

I have the software, just don't know crap about programming MODBUS, so I leave it to the Controls Weinies. I'd advise the same.

They changed the requirements for selling it recently. If you guys are doing installs for your CSO, you should be ok. What they are calling "unaffiliated contractors" are no longer getting access...

Seriously??????? This Open Forum stuff is getting stupid. Why spend 30 years of sweat, blood, and tears learning how to work on this stuff when you can stumble into a forum and expect miracles?

The company did a thing a little while back for those of us that still had our SSN on our EPA cards. We received new cards with new cert numbers. Not sure about the OPs question, but mine was...

See if we can get this pushed to one of the Pro Forums and I'll go into a little more detail.

I agree. Any pictures of the burner assembly. The Pacific Flush Tank item is the gas regulator to drop the incoming methane from the compressor building to your burner's rated pressure. A picture...

I've worked on a few, but need quite a bit more info about the setup. Pics would be helpful. The biggest issue that I've had over the years is the fluctuating nature of digester gas coming from the...

I gotta hear this. Please explain. I work in that district and don't have a clue what you're talking about.

Very good advice here.

3D scrolls are not approved by Trane for conversion. There is a very very very very long list of oil return problems on POE oil. You can buy units setup by the factory for 407C, those use...

I agree with NYRB, the towers should have been piped reverse return to balance the flow. Other than that, I just have some minor observations at first glance, nothing glaring.

Yes there is a password for the screws with a UC800. It was finally added after we complained enough about plugging in the laptop in the rain, just to change a temp sensor.

So, on an initial start command, the 1/3 valve will receive a call to open to minimum position. These are usually 0-10 or 2-10 VDC. Then based on head pressure, the valve will continue to open as...

Certified payroll can be a royal pain in the ass. If there isn't enough work to justify the different classifications, then it isn't uncommon for a company to only declare and certify 1 or 2 rates...

That would be my guess as well. I have encountered chillers with all 3 fuses blown before and it was usually the result of a building transformer issue or power company blip.

In your case, I...

I looked at those at the AHR show. Nice, but a lot of stuff in a small box. I prefer a more traditional design in anything above 400k. Too many safeties for them to cram in a small box. It is...

The secret here is lift across the compressor. A rule of thumb is that the entering condenser water has to be a minimum of 15 degs warmer than the leaving chilled water temp. Keep in mind that it...

What chillrdude said.....

We have all spent way too many days shaking our heads as morons try to "optimize" a plant, then complain because now the plant doesn't run right. Must be the equipment's...

There is no software that can interface with every brand of chiller. Each manufacturer has their own platform, except for York, which doesn't require a laptop to perform service tech functions. ...

I don't know any numbers involved in the layoffs, but I have a couple of friends that are chiller mechanics for Carrier here. Ran into one of them in the supply house on Friday. He told me that...

Can we somehow make Mikey's post required reading before anyone is allowed to post?

Rule #2 for crane picks....Never, ever, never stand under a load. Ever......

Shackles break, straps break, etc....

Oh yeah, hard hats are stupid in this case, but OSHA doesn't think so.

A couple week's rental on that heater could have paid most of the dry cooler costs.

If you look deep enough, you will find out that a very large quantity of what has been purchased over the last couple of years has been reclaimed refrigerant. Very little true virgin R-22 is still...

My wife tells me that is caused by old age. Not sure how old you are, but I'm just saying......

No enlargement here either. Still waiting though.

R11 was the greatest degreaser ever invented, and it didn't burn like hell when you sit on the rag. Unlike Zep. I put my leg on a Zep rag...

I work with 123 pretty much everyday. No side effects that I'm aware of. At least not yet.

Carrier made these wild claims several years ago that it caused testicular enlargement. I wish it...

There are still a few franchises left. But not many. Maybe 5???

X3. Except for the VFD conversion part.

Happy New Year to you too, standbyyourword

I'll bite, because I was on-call last night and got zero sleep, plus I'm old and angry.


It ain't NPT dude. That compressor can hold about a gallon of oil, depending on conditions. Ask me how I...

You would be shocked as to what can be captured in an accounting metric. I was....

You are correct, they have had their heads in the sand for a long time. At least 2 of the Big 3 OEM's has begun aggressively trying to figure out the R&R (recruitment and retention) problem. The...