[Smudger]

Any of you guys taken the shuffle pump apart ?

I have a pump that has died - put in a new replacement but seems a shame to throw the old one away if its just a case of putting in new brushes or something like that

cheers

Darran

[P @ F]

It’s a doddle, 3 screws one end and 2 x 8mm bolts the other

[Pete Thompson]

Modern pumps all have brushless motors. From my experience, the bearings are the things that wear out, and replacements cost as much as a new pump.

[cleaniac]

I had to replace the diaphragms on my Pump 3 years back due to water freezing in it.

Vyair provided me with a full rebuild kit, all the diaphragms, and manifold for like £19, it was a doddle to sort.

If its the motor though,  check to see if the bearings are gone, they tend to go near the diaphragm end as water can cause condensation on the end of the motor and cause the bearing to rust. I put some chain lube in my motor every year which stops it.

[robert mitchell]

Any of you guys taken the shuffle pump apart ?

I have a pump that has died - put in a new replacement but seems a shame to throw the old one away if its just a case of putting in new brushes or something like that

cheers

Is the motor spinning but its not pumping or is the motor not working at all?

If its spinning but not pumping then coiuld be some crap caught in the diaphragm or the diaphragm needs replacing , if motor not spinning then could be pressure switch but imagine you have checked that?

if motor not spinning after bypassing pressure switch then i would just bin it.

Darran

[cleaniac]

Modern pumps all have brushless motors. From my experience, the bearings are the things that wear out, and replacements cost as much as a new pump.

This is doubtful. Unless the motor has a build in encoder to generate the correct frequencies, its a brushed design. Bushless motors tend to have higher efficiencies, but less torque than brushed designs.

Brushed motor= you can use direct DC current, more torque available and easy to run.
Brushless= You need a frequency generator to run it, the torque available is dependant on the quality of the encoder (freq generator) which for a 12v source, isn't going to be as good as there will be parasitic loss on the encoder circuit.

 

[Michael Peterson]

If you find out what it is I have a broken one that you can harvest

[Crystal-clear]

Yeah I've got a similar issue as well
I've got some pumps they still work but you need to turn up the pump on maximum especially with a 6m reel.
When I replace them  they work on 45 with a good flow. These ones now need to be set to 100 and it's less flow I guess that's just wear isn't it or replacing the insides

[robert mitchell]

Modern pumps all have brushless motors. From my experience, the bearings are the things that wear out, and replacements cost as much as a new pump.

This is doubtful. Unless the motor has a build in encoder to generate the correct frequencies, its a brushed design. Bushless motors tend to have higher efficiencies, but less torque than brushed designs.

Brushed motor= you can use direct DC current, more torque available and easy to run.
Brushless= You need a frequency generator to run it, the torque available is dependant on the quality of the encoder (freq generator) which for a 12v source, isn't going to be as good as there will be parasitic loss on the encoder circuit.

Brushless motors are ideal for window cleaning pumps, hardly any torque required and shurflo already make brushless diaphragm 12v booster pumps.

[֍Winp®oClean֍]

My current Shurflo pump is 11 years old and still works as day one- on the same flow and pressure settings.

[Spruce]

Any of you guys taken the shuffle pump apart ?

I have a pump that has died - put in a new replacement but seems a shame to throw the old one away if its just a case of putting in new brushes or something like that

cheers

Is the motor spinning but its not pumping or is the motor not working at all?

If its spinning but not pumping then coiuld be some crap caught in the diaphragm or the diaphragm needs replacing , if motor not spinning then could be pressure switch but imagine you have checked that?

if motor not spinning after bypassing pressure switch then i would just bin it.

Darran

I agree. Pressure switches were the issue with them, solved with controllers.

If the motor has stopped working then a replacement motor is listed as a part number from Williamson Pumps but they haven't got a price for it. Carbon brushes aren't available for them either.

Being the person I am I would strip it down for parts, but as Peavey Wolfgang has said, they should last a long time. Our 2 are 12 and 13 years old.

[Smudger]

Cheers guys - thanks for the replies

I don’t use / bypassed the pressure switch as I use controllers - looking at some diagrams it has brushes but that will be a bummer if not available

I’ll take a peak inside and check the bearings for rust then look at the brushes

Darran

[Spruce]

Cheers guys - thanks for the replies

I don’t use / bypassed the pressure switch as I use controllers - looking at some diagrams it has brushes but that will be a bummer if not available

I’ll take a peak inside and check the bearings for rust then look at the brushes

Darran

If the carbon brushes are worn then it could be the sign of an issue with the rotor/armature. Those brushes should last for a long time, proved by the number of pumps in continious use that are over 10 years old.

If the brushes are burnt where they run on the commutator of the armature then the brushes are arcing which idicates a fault in the armature windings.

If the brushes are 'shaved' down then its probably one of the commutator copper segments has lifted and is proud of the others. Heat is one reason for this and again is usually caused by a fault in the winding it connects to. In both instances, replacing brushes wouldn't solve the problem.

[Smudger]

I almost understood that 😂😂😂😂

Darran

[Stoots]

I read spruces post and quickly realised when my pump is knackered I will just buy a new one 

[Smudger]

All done,

Popped into unit this morning to find it’s all been repaired !

One of the brushes had jammed - got some crud built up around it - cleaned it and pump working like new 👍

Back on the van and the spare back in the “spares box”

Darran

[Spruce]

I read spruces post and quickly realised when my pump is knackered I will just buy a new one 

........ and if I'm in this situation that's exactly what I would do. The price of a new pump is not worth the messing on.

This is the way big business want us to think because they want us to throw it away and buy a new one. They are the ones who have driven the 'throw away society' we are in now and we have gone along with it.

They don't want to have to supply parts for a product as fixing it would do them out of a replacement unit sale.
But they also don't want to be seen as not having an after sales service as that isn't consumer friendly. So they price a spare part in such a way that with fitting labour its cheaper to buy a new item.

We still run a Citroen Xsara on a 53 plate. Its an hdi with a catalytic convertor. Citroen's replacement price for the cat is £1163.00 + VAT. Fitting is 2 hours labour at whatever the main dealership's labour rate is these days + VAT.

Whats the car worth? Half the price of the cat ignoring the VAT and labour to fit it. However, a replacement cat is available from the motor factors at £97.00 including VAT and that's type approved for that year's model car. So Citroen is purposely pricing parts to send a clear message that its time to scrap your car and replace it with another Citroen.

[Spruce]

All done,

Popped into unit this morning to find it’s all been repaired !

One of the brushes had jammed - got some crud built up around it - cleaned it and pump working like new 👍

Back on the van and the spare back in the “spares box”

Darran

I'm glad it was a simple fix. I never thought of a sticking brush in a component in service. A sticking brush used to be a problem with corrosion of the brush holder when a tool hadn't been used for a long time, mainly in damp, coastal areas.