Short #25 - A Costly Screwup

HVAC School - For Techs, By Techs

Bryan Orr

Training, Careers, Airconditioning, Self-improvement, Hvac, Business, Education, Refrigeration, Heating, Ac, Apprenticeship

4.8 • 985 Ratings

🗓️ 9 October 2018

⏱️ 8 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

In this short podcast episode, we share some quick tips about keeping panels and insulation in place to avoid a costly screwup.

Often, technicians will use an impact driver too aggressively. If you feel it begin to clutch, that means that the driver is actually impacting, and that means you're going too far. When that happens, you can strip out the screws, which can be a serious problem on larger equipment. On RTUs and other large commercial equipment, panels can fall off if you strip out those screws, which can be a costly screwup.

So, don't strip out screws. Even if you need to put the screws in by hand or with a regular driver instead of with an impact driver, you'll see better long-term results. On normal drivers, you can also set the clutch so that the driver stops before it can strip out the screw threads.

When panels fall off, the insulation can encounter issues as well. If the insulation peels off, please put it back on. Don't be afraid to use a little bit of spray glue to help mount that insulation to the inside of the panel. After using spray glue, you can finish mounting the insulation with some butyl tape on the edges, which has a heavy-duty adhesive and should last a long time. (Silver tape is okay, but it isn't nearly as strong as butyl tape.)

When panels come off due to screws stripping out, they can blow away in extreme weather. In Florida, we have hurricanes in the summer and fall, so flying panels should be prevented at all costs. In some cases, you can even use a slightly larger screw to replace a missing screw if need be. Self-tappers also aren't the best screws you can use.

Learn more about Refrigeration Technologies HERE.

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Transcript

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0:00.0	Hey, this is a short episode of the HVAC school podcast. It's called a common
0:08.0	screw-up and is literally a common screw-up or failure to screw up properly I guess would be a more correct way of saying that but I'll explain more but before I do I want to mention our sponsors which is carrier carrier
0:23.0	carrier factory authorized dealers at my company,
0:24.0	Kalo Services, so of course we have good experiences with them.
0:27.0	And I'm glad to have them as a sponsor.
0:29.0	Also, refrigeration technologies,
0:31.0	for FridgeTech.com. They make Nylog. If you haven't used Nylog on your
0:35.4	different threaded refrigeration assemblies, then I would suggest that you do it. It's made of
0:40.4	refrigerant oils. It's safe to use on the system, even if you get a little bit in there, it's not going to cause any damage. That's Nylog from refrigeration technologies. You can find it at truetech tools. If you can't find it anywhere else on the shelves and use the offer code
0:54.3	get schooled for a great discount.
0:56.3	Air Oasis at airoasis.com forward slash go to find out about their great indoor air quality products,
1:00.9	the Nano and the bipolar for air conditioning contractors, good products
1:04.3	to offer to your customers, if they are in need of that sort of thing.
1:08.2	And then also Navac, Navac Global. Listen to the podcast, read the tech tips, check out the different calculators that we have to make your job easier.
1:26.0	Those are all available on iTunes and the Android Google Play Store.
1:30.0	Just type in HVAC school.
1:32.0	All right, so we're going to talk about a common screw up
1:34.1	and this idea was sent to me by Eric Melli.
1:37.6	Eric Melli has been on the podcast many times
1:39.7	and he now works at Kailos, which we're very thankful for.
1:42.1	And he just sent me a photo of some screws,
1:44.8	and we're gonna get into what those are.
	...

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