Because i usually do the washing up

Mine is charged via a car tyre valve. If you unscrew the cap on the top you should find a valve under it.
Be careful as to what pressure you charge it to. If no instructions I found mid point between the cut in / out pressure of the pump worked well.
 
Some models of accumulators do not get charged up at all. I can't see from the photo, but maybe the plug on the top is just that - a plug. If there's no sign of a car tyre type charging point, all you have to do is, after turning off the water, and the electric supply, is to drain any water out of the bottom of the chamber, and then couple up the hose connection again. You'll need to open the plug at the top to get the water out. Job done.
If you find that it does have a charging point, turn off the water, switch off the pump, open a tap on the system, and then with a small compressor, or even a manual bicycle pump, charge to about IIRC 13psi.
 
NormanS said:
Some models of accumulators do not get charged up at all. I can't see from the photo, but maybe the plug on the top is just that - a plug. If there's no sign of a car tyre type charging point, all you have to do is, after turning off the water, and the electric supply, is to drain any water out of the bottom of the chamber, and then couple up the hose connection again. You'll need to open the plug at the top to get the water out. Job done.
If you find that it does have a charging point, turn off the water, switch off the pump, open a tap on the system, and then with a small compressor, or even a manual bicycle pump, charge to about IIRC 13psi.
Click to expand...
I t only has the plug at the top. No signs of any charging point.
 
Mr Google says:
There are four principal types of accumulators:
the weight-loaded piston type,
diaphragm (or bladder) type,
spring type,
and the hydro-pneumatic piston type.
The weight-loaded type was the first used, but is much larger and heavier for its capacity than the modern piston and bladder types.
See StackPath
 
Clunk said:
I t only has the plug at the top. No signs of any charging point.
Click to expand...
Not absolutely certain but I’m pretty sure that’s the same as mine. The procedure is: switch off power to the pump, remove the top plug, open the furthest tap from the pump, disconnect either end of the hose between the pump & the accumulator & allow the water to drain out. Reconnect the hose, replace the plug, switch on pump, get soaked by the water & air spluttering from the tap & then enjoy a smooth water flow for a month or two until it needs doing again.
If your water tank is higher than the pump just let the small amount of water drain from the accumulator.
 
Frayed Knot said:
Not absolutely certain but I’m pretty sure that’s the same as mine. The procedure is: switch off power to the pump, remove the top plug, open the furthest tap from the pump, disconnect either end of the hose between the pump & the accumulator & allow the water to drain out. Reconnect the hose, replace the plug, switch on pump, get soaked by the water & air spluttering from the tap & then enjoy a smooth water flow for a month or two until it needs doing again.
If your water tank is higher than the pump just let the small amount of water drain from the accumulator.
Click to expand...
Absolutely spot on advice, job was put off until today as I'd anticipated it not going straight forward but thankfully it was exacts you said. Thanks for the step by step procedure.
 
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