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    • Samurai Appliance Repair Man

      Webinar Recordings Index Page   10/03/2017

      On-demand appliance repair training videos for Professional Appliantologist members Over 30 hours (and growing!) of original, high quality appliance training webinars developed and given by yours truly are at your fingertips, on topics you won't find anywhere else. Fill in those knowledge gaps, strengthen those areas of uncertainty, and boost your skills. Watch on mobile or desktop at your convenience whenever, wherever.  Ultra Short Primer on Basic Electricity, Circuits, Ohm's Law, and Schematic Reading (Length: 1:04:48) Basic Refrigerator Troubleshooting (Length: 1:10:45) Schematic Reading Workshop, 10/2015 (Length 1:19:08) Troubleshooting Strategies for Computer-Controlled Appliances (Length: 48:34) Semiconductors and PN Junctions (Length: 1:04:37) Appliance Temperature Sensing Devices & Technology (Length: 1:27:33) Voltage Measurements, Meters, Ghost Voltages, and Triac-controlled Neutrals (Length: 1:29:32) Troubleshooting with Tech Sheets, Part 1, 4/2016 (Length: 1:09:26) Troubleshooting with Tech Sheets, Part 2, 4/2016 (Length: 1:21:11) Tech Sheet Review, 4/9/2016: Bosch Speed Cooker, Amana Refrigerator, GE Glass Cooktop Range (Length: 1:22:58) Pulse Width Modulated (PWM) Switches used in Samsung Switched Mode Power Supplies (SMPS) (Length: 27:07) PWM Computer Cooling Fan in a Whirlpool Refrigerator (Length: 14:53) Understanding AC Split-phase Household Power Supplies (Length: 52:41) Troubleshooting a Samsung Electric Dryer without Disassembly using Live Tests and the Schematic (Length: 22:47) Troubleshooting a Bosch Dishwasher No-Heat Problem using the Schematic and Live Tests (Length: 15:38) Linear Motors and Linear Compressors (Length: 55:54) Bi-directional PSC Drive Motor Systems in Whirlpool VM Washers (Length: 56:52) Appliance Service Call Structure and Troubleshooting Strategies (Length: 1:00:16) The Ten Step Troubleshooting Tango and Workshop Exercises (Length: 1:35:39) Troubleshooting Ten-Step Tango Advanced Workshop (Length: 1:32:06) Ten-Step Tango Troubleshooting Workshop: Refrigerators (Length: 1:35:57) Whirlpool Duet Washer Schematic Analysis & Whirlpool Dryer Moisture Sensor System (Length: 1:03:04) Neutral Vs. Ground, Inverter Microwave, Digital Communications, Loading Down in DC loads, and more! (Length: 1:14:45) Gas Oven Service Call After a Parts Changing Monkey (Length: 36:04) AFCI and GFCI Circuit Protection Technology (Length: 41:26) Troubleshooting Samsung Refrigerators and more (Length: 1:29:58) 3-way Valves and Dual Evaporator Refrigerators (Length: 1:15:45) Split-Phase Compressors and PTC Start Devices (Length: 1:11:57) Gas Dryer Ignition Systems (Length: 53:50) Refrigerator Sealed System Thermodynamics, Part 1 (Length: 43:07) Refrigerator Sealed System Thermodynamics, Part 2 (Length 1:09:09) To access these webinars and all the other info-goodies here at Appliantology, become a Professional Appliantologist today. If you need cost-effective, time-flexible, state-of-the-art appliance technical training, check out the Master Samurai Tech Academy.
    • Samurai Appliance Repair Man

      [Webinar] Samurai's Sealed System Sleuthing Secrets - 10/30/2017 @7PM ET   10/19/2017

      Having laid some theoretical groundwork in the last webinar, we're going to focus on practical considerations in this one. That means quick n’ dirty techniques for diagnosing sealed system problem using strategically chosen and skillfully interpreted temperature measurements.  Review homework from the first session on 10-2-2017. Home refrigerator practical design and operating rules-of-thumb useful for troubleshooting Practical application exercises Troubleshooting scenario exercise Techniques for making system temperature measurements for determining superheat and subcooling Sealed system diagnosis homework assignment (to be reviewed in the next webinar in this series) If you attended the first webinar in this series, this is your payday! We’re going to apply that keen, penetrating insight you now possess into money- and time-saving shortcuts you can use to diagnose real-world refrigeration systems on service calls. See this calendar event for more details                   
LaundryMom

Root Kill Question

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LaundryMom

This isn't about an appliance, but I hope that someone can answer since it's plumbing related.

We have a city sewer line and roots have grown into the sewer line and caused problems in the past 5 years or so. Once every other year we have had to rent a sewer drain cleaner to clean the main line leaving the house. Finally I read somewhere about Root Kill, a copper sulfate powder that you pour down the drain and when it comes in contact with the roots, it will kill them. It leaves the plant/tree alone but just kills the roots that come into the line.

The directions on the bottle say to apply in the spring and in the fall. However, we forgot this fall. The suspected tree and the bush are naked and dormant.

My question is, is it too late? If we apply the copper sulfate at this late date (We just received our first snowfall two days ago) will it still be effective?

Thanks in advance.

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kdog

I believe the proper procedure is to remove the tree and replace the damaged sewer service line :mellow:

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RussTech

Eventually, cleaning out those roots with a cable is going to break that sewer line, and then you'll be forced to remove the tree and repair the line.

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Bullstok

For those people not wanting to dig up their front yard to replace pipe and "do it right": after the roots are removed, the pipe can be lined. It is done from in the house where the pipe leaves. It is not cheap. It involves fiberglass mesh tube (think sort of like a fire hose), epoxy resin, and a liner bag. The fiberglass is coated with epoxy and the whole tube is slid down the pipe. The inner bag is inflated, pushing the liner against the sides of the old pipe. The liner sets up & if done correctly, it is as strong as new pipe or stronger with only a small inside diamater sacrifice. It can be done for pretty long runs. Look it up if you want cause it is a little too complicated for the amount of time i have for this reply to explain it fully. It is a great choice in many circumstances though. Obviously is not a do it yourself kind of thing.

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jumptrout

Please give me the short version of the google search. What is the keyword?

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Bullstok

I suppose it would have been a good idea of me to leave a link or 2. Please keep in mind I do no endorsing of a particular method or product. I also do not do this work myself as a plumber. I have seen it done and I know it works. I also know it can be done wrong (if the epoxy sets before the liner is in place you get no second chances.) This is a specialized sort of thing in many areas. Here are a few links to check out:

http://www.perma-liner.com/

http://www.dontdig.com/drainlining.php

http://ussewer-drain...ipe_lining.html

http://www.formadrai...ain-connection/

Note: there are other methods available too. Pipe bursting is done for larger scale jobs. Basicly you use hydraulic rams and large cable to pull a cone through the old pipe with the new pipe coming along behind the cone. The old pipe breaks appart as you pull in the new pipe. The rams are so strong that it can burst even cast iron pipe easily. Lots of cool happenings now a days... Directional boring is another...

Oh crap. Being new I forgot to check rules about links. If those need removed then here is a simplified search string:

sewer pipe lining

Also, sorry for hyjacking the post, that was unintentional. I don't know a thing about root killers. IMHO temporary chemical solutions to mechanical problems are never good. Drano, bars leak, fix a flat, etc, etc, all things that when used by people wanting a cheap fix, usually piss off the ones who end up performing the real solution.

Edited by Bullstok
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Samurai Appliance Repair Man

Oh crap. Being new I forgot to check rules about links.

WEDONTNEEDNOSTINKINGRULES.png

th_A_Tip_of_the_Hat_by_jollyjack.jpg

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