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SERVICING A TAP

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SERVICING A TAP Powered By Docstoc
					SERVICING A TAP


Tools you will require:

     1 x 250mm shifting spanner
     1 x medium size good quality multi grips
     1 x long nose pliers
     1 x tap re-seating tool
     1 x flathead screwdriver




Parts you will require are all available from Local Plumbing Supplies:

     New Jumper valves
     New 8.0/8.5 “O” rings
     New Body Washers
     Complete New Spindle (depending on your current spindles)
     Waterproof grease/lubricant (Must be for use with Potable water)




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

         FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
STEP 1.



First of all you need to determine which tap, hot or cold water is
leaking. We can do this by feeling the temperature of the water as it
drips out of the spout.

In some cases, especially a slow leak the water will feel cold even if it’s
a hot water leak. As the water travels to the outlet of the spout it cools
and therefore feels cold as it drips.

In this instance, it’s a good idea to take a look at both hot and cold taps
to cover both cases.




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
STEP 2.



Now that you have determined the source of the leak you need to
know if the tap is a standard jumper valve type or ¼, ½, or ¾ turn
ceramic disc type. You can determine this by turning the taps on and
the maximum they will open will be ¼, ½, or ¾ turns.

I will be referring to the standard jumper valve type in this scenario.




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
STEP 3.



At this point you can remove the handle and the cover flange of the
tap. Once the cover flange is removed turn the tap on so you can see if
water runs out of the spindle. If so you will have to replace the “O” ring
or re-pack the stuffing box on older type taps. We’ll get to that later, for
now we just need to know if it’s leaking.




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
STEP 4.



Now you can turn the water off to your property. BEFORE this happens
make sure the washing machine is NOT mid cycle and that there is
nobody in the shower or using the water. It’s a good idea to fill a jug so
there is water available.



 Now that you have determined that nobody is using the water you can
locate the water meter. In some cases these may be buried and if so
contact your local shire council as they should have plans to locate this
for you. If you live in a unit complex the water supply control may be
located in a pipe duct within your unit. Semi detached or town houses
will most probably have the water supply control valve located at the
entry of the building.

If you have located the water meter for your property and cannot turn
the water off then call your local shire council. It is the council’s
responsibility to maintain the water meter. This may not apply in a unit
or townhouse complex.

Once you have turned the water off you can then proceed to drain the
water from the house. Turn on the hose tap at the front of the house
until the water has drained. It’s a good idea to catch this water in a
bucket and use it elsewhere around your house.


   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
Then find the lowest hot water tap in the house (usually the bath tub)
and turn it on to release the pressure from the hot side. Although the
water has been drained from the house the hot water system will still
maintain mains pressure until released by opening a hot tap.




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

         FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
STEP 5.



Now you can remove the tap body. Turn on the taps you intend to
repair. Use the shifting spanner to remove the spindle. To remove you
need to turn the spindle with the shifting spanner anti clockwise.

These may be very tight so you need to be careful you don’t turn the
fittings in the wall or under the sink.
The jumper valve will probably stay in place and can be removed with
long nose pliers. Some basin taps have deep set spindles so you will
definitely need the long nose pliers on this occasion.
Now the jumper valve is removed you can inspect it to see if it is
complete. In some cases there can be pieces of it broken off from
excessive tightening. If so ALL debris is to be removed.




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
STEP 6.

Now you can service the spindle. If you remember in STEP 3 you
noticed if water runs out of the spindle. The cause of this is a worn or
unlubricated “O” ring or leaking stuffing box.

In the case of “O” ring type taps, hold the body of the tap and turn the
spindle clockwise until the spindle is separated from the tap body.

In the case of stuffing box types, the stuffing box nut can be loosened
and then it can be repacked or restuffed as the name suggests. In most
cases I replace the stuffing box type spindles with “O” ring types. Simply
take the spindle down to your local plumbers supplies and ask for a
spindle to match what you have. It will be an “O” ring type as the
stuffing box types are no longer sold.

You can now remove the “O” ring with a small screwdriver or long nose
pliers. Clean the thread of the spindle and the tap body. You can do this
by screwing the spindle back into the tap body the whole way. To do
this hold the tap body with your multi grips and turn the spindle with
your shifting spanner or the tap handle. If it’s tight keep going back and
forth until the spindle screws all of the way into the tap body. Remove
the spindle and clean the spindle and tap body threads once again.
Repeat this process until the spindle moves freely in and out of the tap
body.
Now you can lubricate the thread and “O” ring groove using your
waterproof grease/lubricant.

NOTE: LUBRICANT MUST BE FOR USE ON POTABLE (SAFE FOR
DRINKING) WATER ONLY
   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
Screw the spindle back into the tap body all the way so some lubricant
goes into the tap body. Remove the spindle and relubricate the spindle
thread. Stretch the new “O” ring over the end of the spindle and slide it
down until it falls into the groove. Lubricate the “O” ring. This will make
the tap easy to turn on and off and also seal the spindle so no water
can pass through and out the top of the tap body (as may have been
the case in the STEP 3 exercise). Screw the spindle back into the tap
body all of the way. Remove the old body washer and replace with a
new one. It should come off in one piece however If the old one comes
off in pieces then both of the surfaces it touches will have to be
cleaned. You can use a flat blade screwdriver to scrape the surfaces
clean.




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

         FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
STEP 7.

Now you need to assess the seat in which the jumper valve sits. If the
tap was leaking badly you may be able to run your finger around the
tap seat and feel a groove in the brass seat. This is where the water has
eroded a path under the jumper valve.

The seat may also be worn at a slight angle so running your finger
around the seat will not show this.

For either instance you need to use your tap re-seater to make the
brass seat shiny. By doing this you will see if the seat is uneven or worn.
For hand re-seaters it is very important that they are not cross threaded
prior to use. For drill re-seaters it is important the SLOW speed is used
and that minimal pressure is initially applied.

Once you have carried out the initial process to make the seat shiny
remove the re-seater and look at the seat. It will either be completely
shiny, shiny with a groove exposed or half shiny and half dark in the
case of a worn seat.

If the seat is completely shiny then you will no longer need your tap re-
seater. If a groove or worn seat are evident you will need to continue
reseating until the seat is completely shiny.

 This is a gradual process. Reseat a little then take a look and check the
progress. The brass that is being re-seated is only so deep and if you
reseat too far you will reduce the life of the fittings in the wall or under
the sink.
    THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
NOTE: In some cases, grooves in tap seats can be very deep and if they
are too deep the fitting in the wall or under the sink will have to be
replaced. I recommend calling a licensed plumber if this is the case.


STEP 8.


Now you will have a shiny brass seat and there will be brass filings
inside the fitting that need to be removed. For this I use a battery
powered wet and dry vacuum cleaner which removes the brass filings.
You will probably not have one of these so you can screw the newly
serviced tap into the combination fitting. You only need to screw this in
loosely by hand.

NOTE: Do not place the jumper valve in at this point.
Once you have replaced the complete tap body you will need to remove
the aerator (if the spout has one) so the brass filings can be flushed out .
Once this is done you will need to turn the water on for 10 seconds to
flush out the brass filings left in the combination from re-seating.


 NOTE: Before you do this make sure you have turned the front hose
tap and the hot water tap off that you drained the water line with.



   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

         FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
Remove the tap body and inspect the brass seat. If all of the brass
filings have been flushed out and the seat is completely shiny then you
are ready to screw the tap body back on. If there is brass filings present
then repeat the process of flushing the line with water.

If it looks clean and clear you can then place the new jumper valve in
the hole at the end of the spindle. At this point you must make sure the
spindle is in the fully open position (anti clockwise). Then screw the tap
body into the combination, this should be firm but not over tightened.

Don’t replace the cover flange as you need to make sure the body
washer and “O” ring are leak free. You can now turn the spindle fully
off (clockwise) and turn the water on at the water meter.



STEP 9.

Now that the water is on you can turn the tap on. If the “O” ring is
leaking it will only leak when the tap is on. With a new “O” ring and
waterproof grease/lubricant it is extremely unlikely to leak.

 Have a quick look to make sure no water is coming from the body
washer. The tap does not have to be in operation for the body washer
to leak. If it does leak then turn the tap on slightly and tighten the tap
body a little more. The body washer in most cases is a fibre washer and
will swell up and seal leaks if they are still present.


   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

          FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS
If the tap still leaks from the spout there may be some brass filings left
over that have now become stuck under the new jumper valve. If so
follow the process of STEP 5 and check to see if any brass filings are
stuck to the new jumper valve. In some cases a small amount of water
will run out of spouts and especially shower heads after the tap is
turned off, this is normal. You can now replace the aerator. Remember
not over tighten the tap when turning it off. This will reduce the life of
your handy work




   THIS INFORMATION IS INTENDED ONLY AS A GUIDE AND A LICENSED PLUMBER NEEDS TO ATTEND TO THIS WORK.

         FOX PLUMBING TAKES NO RESPOSIBILITY FOR ANY WORK CARRIED OUT BY UNLICENSED PERSONS

				
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