Nilfisk GM410 Vacuum cleaner motor bearings

[admin]

OK so it’s not a whitegood(it’s red actually) but I can’t find anywhere else on the www that can possibly help me.
I’ve managed to get the motor out and the rear bearing is shot, should be easy to replace except I can’t workout how to get the turbo fan assembly off the shaft without destroying it…..can it be fixed or do I bin it? (A new motor is 300 aussie dollars)
regards…..Valvo

[Dave_Conway]

Re: Nilfisk GM410 Vacuum cleaner motor bearings

It is sort of whitegoods 😉

The motor will be supplied as a complete assembly, approx £120 UK pounds, I don’t know if that’s any cheaper than the aussie dollars as I’ve not converted it ?

Dave.

[admin]

Re: Nilfisk GM410 Vacuum cleaner motor bearings

Thanks for the quick reply,
That’s about the same price as downunder…..the local Nilfisk people submitted a claim to my insurance company and then supplied me with a new Miele S571 (can’t work that one out). I think I’m in front as the new cleaner has a 2 yr warranty & wifey approves of its performance.
I would still like to try and repair the Nilfisk but without forking out for a new motor…..Is it possible to remove the fan assembly?
regards….Valvo

[Penguin45]

Hey Valvo,
You’re back! How’s the Bosch going?

Look, most of these motors will come apart if you’re brave enough – tie bolts through the field coils is a common method of construction, as are long rivets (drill time). However, be advised that most of these motors are made to cost, so while the suction fan may be bolted on, the cooling fan is probably an interference push fit, and the top bearing is likely to be a phosphour bronze bush. Might be worth a trip to the local bearing/transmission factors; certainly no parts will be available from Nilfisk.

If you get it all apart and can do something about the dodgy bearing, do all the job and sort out some carbon brushes at the same time. The fun bit is to get the armature back in while keeping the brushes out of the way!

Regards
Penguin45.

[admin]

Re: Nilfisk GM410 Vacuum cleaner motor bearings

Hi Penguin,
The new Bosch is a bewdy, more spin than Shane Warne, only complaint would be the turbine like noise at full spin but the laundry is in a separate room so it’s not a huge problem .
The old Bosch sits out on the back verandah 95{e5d1b7155a01ef1f3b9c9968eaba33524ee81600d00d4be2b4d93ac2e58cec2d} repaired…..I’ve a problem with the door switch but this has been the coldest, wetest winter for decades so it can wait till Spring kicks in.
I’m hoping the Nilfisk motor is held together with long screws through the field coils. If that’s the case then it may be possible to drill an access hole through the fan assembly and patch it up after. There is plenty of meat on the brushes (it’s only 6 years old) and I reckon they will slide back up the holders.
I took the HEPA filter out some years ago when it clogged & didn’t get around to replacing it so I figure it’s been working its guts out at much higher revs ever since. Surprisingly there was very little dust in the motor assembly.
regards….Valvo

[Author]

Posts