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Snaking the Drain — Preparation and Safety

Intermediate6 hours

Part of project

How to Use a Main Line Cleanout to Clear a Major Sewer Clog · Step 1 of 8

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In this video

Wearing protective gloves, the plumber feeds the drain snake cable into the roof vent. He powers on the machine, causing the cable to rotate, and carefully advances it down the pipe system. He pushes and pulls the cable to work it through bends and break up the obstruction. He notes that he must be careful not to run too much cable if it's a septic system to avoid getting it stuck in the tank.

Goal: Clear the obstruction in the drain line.

  • When snaking, use a back-and-forth motion to help the cutter head navigate bends and effectively clear the clog.
  • Always keep a firm grip on the cable and wear gloves to prevent the spinning cable from catching and causing injury.

Used in this video

  • Motorized Drain Snake (brand: Ridgid, Tool Functionality: Snaking/Augering, Power Source Type: Electric, Cable Length/Size: Medium (25-50 ft), Head Type: Bulb auger)Clearing the clog
  • Work GlovesProtecting hands from the rotating snake cable
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FAQs

How do I know for sure if I have a main line sewer clog, as opposed to a blockage in a single drain?

A main line clog typically presents as multiple drains backing up simultaneously, often in the lowest parts of your home (e.g., toilet flushing causes water to rise in a shower). If only one sink or toilet is affected, it's likely a localized clog. This project is specifically for widespread backups indicating a main line issue.

What are the most crucial safety precautions I need to take when working with raw sewage and a motorized drain auger?

Always wear robust waterproof gloves (like G & F Products 1628 L) and safety glasses to protect against sewage, debris, and auger cable whipping. Ensure the work area is well-ventilated, lay down a heavy-duty tarp (e.g., TARPCO SAFETY 24 ft. x 36 ft.) to contain spills, and never operate the auger without understanding its controls. Keep hands clear of the spinning cable at all times.

Can I use a chemical drain cleaner or a hand-crank auger for a major main line clog instead of a motorized one?

For a major main line clog, chemical drain cleaners are typically ineffective and can be dangerous, potentially damaging pipes or the auger cable. A hand-crank auger usually lacks the power and reach needed for a severe main line blockage. A powerful motorized auger, such as the VEVOR 250-Watt model, is essential for clearing these significant clogs effectively.

What should I do if the motorized auger cable gets stuck in the pipe?

If the auger cable gets stuck, immediately reverse the motor's direction to try and free it. If that doesn't work, try gently pulling back on the cable while it's rotating slowly, or alternate between forward and reverse. Do not force the cable, as this can cause it to kink, break, or damage your plumbing system.

Snaking the Drain — How to Use a Main Line Cleanout to Clear a Major Sewer Clog (Step 1, Video 1) | Stesso