Hotpoint WM52P brushes

[Pigpen4]

Machine had been in storage for 2 years and went “pop” when she turned it on.
Replaced timer, brushes, heater and door interlock.
It all worked OK when I left.

Got a phone call later on, saying it wouldn’t spin.

Went back to it, to find one of the brushes had welded its plastic casing round the carbon – it had got a bit hot!
Re-checked insulation – still showing OL on my machine (>9999MOhms), and yes, I did check the leads to make sure they were in correctly.
Resistance across motor pins of terminals is less than 8 ohms all around the armature.
Replaced the brush, gave it lots of functioning, removed it and checked it again and it was still ok, refitted and functioned – still working fine.

Phone rang at 9 last night – it’s not spinning again.

Any ideas, please?

[nelson]

Re: Hotpoint WM52P brushes

Water pump a bit tired? :hmm:

[allan73]

Re: Hotpoint WM52P brushes

Ditto, gotta be the pump.

[Pigpen4]

Re: Hotpoint WM52P brushes

It pumps out ok, though – would this cause the carbon brush to weld, like it did?

[iadom]

Re: Hotpoint WM52P brushes

The pumps can sieze intermittantly, especially when older, they are usually noisy when worn.

If the pump is perfect then the armature is faulty.

[Martin]

Re: Hotpoint WM52P brushes

Pigpen4 wrote:Went back to it, to find one of the brushes had welded its plastic casing round the carbon – it had got a bit hot!

Yes indeed knackered armature for sure!

[Pigpen4]

Re: Hotpoint WM52P brushes

Many thanks – arm20’s ordered from Qualtex this afternoon.

[leavemetogetonwithit]

Re: Hotpoint WM52P brushes

Don’t forget to renew the pump though, or you’ll knacker the new armature for sure 😉 .
Mike.

[MickGeorge]

Re: Hotpoint WM52P brushes

Had one of these a few years ago – changed armature etc. – turned out to be intermitant pump problem.

Hotpoint allowed their machines to spin part/full of water for years !!! :rolls:

Mick

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