DiaOseal | Tap Service Guide: Wall Assemblies & Basin Assemblies How to replace a tap washer to stop a dripping tap, or change the type of tap washer. 1.TURN OFF THE MAIN WATER SUPPLY, usually located at the front of the premises. (See below for helpful hints.) 2. SPINDLE REMOVAL and REFACING Turn the spindles on before unscrewing from the body. Use your tube spanner to remove the spindle. With the back of your knife blade, clean the body washer seat making sure it is flat and the channel is clean. Using the tap reseater (refacing tool), to reface the seats within the recessed bodies using a smooth even pressure. Use your torch and make sure the seat is perfectly flat evenly around and clean. With the vacuum and your little finger, clean out the body making sure it is free of brass shavings. 3. CLEAN and LUBRICATE Remove the spindle completely from the bonnet by unscrewing. Clean the body washer seat of the bonnet with your knife. Clean the outer thread and washer seat of the bonnet with your wire brush. Screw the thread cleaner into the bonnet to remove foreign matter from the bonnet. Clean spindle thread using your wire brush and finish by wiping clean with your towel or rag. Replace ‘O’ ring on spindle. Lubricate the threads on the bonnet and spindle using Hydroseal tap lubricant. Fully screw the spindle into the bonnet. 4. WASHER REPLACEMENT Choose the right size fibre washer for the seat, do not use a narrow washer on a wide seat or vice versa Place new valve in …

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