Tip 1: How to disassemble a cast-iron sewer

Usually overhaul of housing starts with the replacement of communication, that is, replacement of electrical wiring, water and sewer pipes.But before that it is necessary to dismantle the old sewer.
you need
  • - a blowtorch or gas burner;
  • - a chisel;
  • - Bulgarian;
  • - mask.
Guide
1
Make sure that you are dealing with cast iron pipes that are "planted" in the sulfur.To do this, scrape a small piece of the sealant.Try to set it on fire - sulfur will burn steady blue flame.This will be a distinctive smell which is difficult to confuse with something else.
2
Break tube chisel, leaving only the node that enters directly into the riser.If possible, cut the maximum iron grinder to open up access to the compound and reduce the amount of metal to be warmed up.
3
Heat pipes to sulfur, which is used for the connection, turned into a liquid state.It uses an open flame of a blowtorch or gas burner.You may need the help of one person will warm up the connection, the other - removed from th
e joints of pipes heated sulfur.You must be patient, since the dismantling of the pipes can take from one to three hours.It depends on the characteristics of sewage, as well as the experience of the workers.
4
cleared the compound of sulfur, try to undermine the crossbar.If all sulfur is burned or drained, it is simply to dismantle.
5
Remove the riser tee sulfur residues and leave it to cool.The surface to cool for about an hour.You can then mount the new sewers.

Tip 2: How to disassemble sewer

Everyone knows that water supply and sewerage in the house - the most important and necessary components of our life and well-being of the home.But over time, they exhaust their resources, which leads to their procleaning, then to disassemble and replace with new ones.
How to disassemble the water drain
you need
  • - plug diameter of 100 mm;
  • - Screwdriver;
  • - a hammer;
  • - Bulgarian;
Guide
1
Start removing sewage from the tee main riser "standpipe riser-flat", a diameter of 100-100-100.It is inserted into another tee "riser-toilet-sink" with a hole diameter 100-100-50.Remove the tee and the hole in the tee main riser put the cap diameter of 100 mm.
2
Disassemble sewage network, using a hammer, a screwdriver and a grinder, from the junction tee "riser-toilet-sink".After undocking connections continue dismantling the entire network, pulling the free end of the tube (turn tube around its axis).In turn remove the pipe from the tee to the tub and the sink in the bathroom, the toilet in the bathroom and the kitchen sink.Old pipes can be cast in gray and not go free, cut them out one by one Bulgarian, and if necessary, gently beat off with a hammer to avoid damage to the main riser.
3
All extracted fragments of pipes chop hammer or grinder cut into convenient pieces for transport.The resulting debris collect and dispose.It is not recommended to throw rubble in places where the accumulation of household waste.
Note
In the case where the plug on the hole in the main riser can not find - leave it open.So before disassembly sewage alert the neighbors living above you on the top floors, that you plan to disassemble the water drain, so they do not include water or in a bath or in the sink, and even more did not use the toilet in order to avoid a flood in your home.After completion of the installation of a new sewer inform it neighbors.
Helpful Hint
performs work on dismantling sanitation in the first half of a weekday, when most of the neighbors are at work.Do not forget to close the water to avoid flooding the neighbors below.
Note
carrying out work involving burning sulfur, pay special attention to fire safety.Adjacent flammable items must be taken out of the room, or at least protect asbestos or metal screens.
Helpful Hint
burning sulfur, it is necessary to work in a gas mask, as this stand harmful substances.
Sources:
  • correct dismantling pipes
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