Thread Number: 8096
Hoover Model 700
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Post# 90155   1/27/2010 at 05:15 (3,680 days old) by turbomaster1984 (Ripley, Derbyshire)        

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Thought it would be wise to set up another thread instead of flooding Jacks exhibition one to discuss the 700.

Just fired her up and I cant say she sings like I expected her too.
Seems that it takes a few seconds for the bag to inflate and although you do get reasonably consistant noise she does seem to labour to a degree.

Will try a new belt as I think the one that looks new already on it is rather stretchy.

I expected a good thumping action too but this is not apparent either so what does one do?

Should I be greasing up the motor bearings or leaving well alone? The motor sounds like I expeccted (food mixery) but its just the struggle to get the Agitator doing what I think it ought to be doing.

Saying that I cant believe the condition its in, I will have a play with the dusting tools we got with it too and see what that entails. Perhaps it is the agitator and belt slowing it down.



Post# 90314 , Reply# 1   1/29/2010 at 19:40 (3,678 days old) by vintagehoover ()        

Hi Rob,

which belt are you using on it?

Post# 90355 , Reply# 2   1/30/2010 at 01:07 (3,678 days old) by seamusuk (Dover Kent UK)        
Hi Rob

Dont attenpt to put a standard 652 belt on - they are far too small ;).

Id suggest using the 612/912 size- or possibly a Sanitaire one???

Both are easily availiable- Qualtex do a bag of 10 electrolux ones for 3 odd from memory and their pattern Hoover ones are pretty reasonable as well.

On the subject of Hoover ones dont bother getting genuine- the last few packs I got were pattern Qualtex belts in a genuine bag@ over twice the price!!

Post# 90384 , Reply# 3   1/30/2010 at 12:30 (3,677 days old) by hooverbaby (Dalton in Furness, UK)        
Possibly it's the belt slipping or a partially seized br

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Hi Rob,

Have you done the usual and had the agitator apart, greased the bearings etc.

I strip down 9 out of 10 of the Hoover brushrolls that I get, knocking the shaft out after unscrewing one end, then releasing the other end cap and driving that back through to get the other bearing out.

If you're unlucky, the bearing will collapse on removal, all the individual bearings will fall out and it then takes patience to remove the outer race. Some of the bearing housings are rivetted on the end and take some effort to remove. I recently had this problem with a badly seized brushroll on a 425...but eventually got the remains of the shell out of the housing with a slide hammer and vice!

In some cases, obstinate bearings can be freed when they are left to soak in oil in their housings for some time..or possibly in diesel...if you can wait that long..

I'm lucky in having a brass Hoover grease gun to regrease the common Hoover agitator bearings...but dismantling is also a good opportunity to remove any threads and string wrapped round the bearings, which can lead to stalling.

On these older models, the sprung-in brushes sometimes corrode and need carefully easing out to prevent breaking them...but I doubt that, worn or not, they are causing your problem.

The 700 has a little less power than the slightly later models 725 and 750 but should still give a decent beating sweeping action on the carpet.

As for belts I also use 612/638 ones or possibly 160 ones, if you can still get them.

The only other thing I'm wondering is if the armature is on its way out. I say this, since I picked up two 575's last year and one was running slow - the armature was dodgy, unusual for a vintage Hoover.

Stephen C

Post# 90385 , Reply# 4   1/30/2010 at 13:29 (3,677 days old) by hooverbaby (Dalton in Furness, UK)        
Another important point

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I've just thought of something else.

You probably know this but the knob at the back of the machine should be adjusted to raise the nozzle as high as it will go, whilst still allowing a 'fluttering' action on the carpets. Plenty of air can then get underneath the cleaner and allow the machine to raise the rugs by suction.


Post# 90428 , Reply# 5   1/31/2010 at 04:43 (3,676 days old) by 74simon ()        

Hey Rob, the 700/800 series use the 612/638/912 belt, whilst the 400s (except the 425 with the flat belt) use the 262 kind, hard to find here but equivalents can be sourced from the USA.

The motor and agi should both spin freely, but it's normal for the bag to take a wee while to inflate. My 825 hadn't been used for decades, and the grease in the bearings was solid, making the armature stiff and the machine noisy.

How does it compare, sound wise, to the video of Jack's 700?


Post# 90436 , Reply# 6   1/31/2010 at 08:00 (3,676 days old) by watsonw (Newport, Shropshire, UK)        

My 425 works beautifully with a lux 500 type belt.

Post# 90446 , Reply# 7   1/31/2010 at 13:38 (3,676 days old) by hooverbaby (Dalton in Furness, UK)        

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I've used a Dyson DC01 belt on one of my 425s and that was OK. This belt is also virtually equivalent to the early Hoover Turbo type.

I'm not sure how the 500 belt would compare, except I know that this is slightly shorter than the Turbo/Dyson belt.

I've also just picked up one of the 425s with the round belt drive but have yet to examine it in detail to see if it's got an original 425 round pulley or if possibly some of the motor innards have been swapped with a 450/475. Not sure yet if that's possible but I'll find out when I get round to stripping down the motor.

I have one or two new pulleys for them, luckily and they are recessed slightly on the 425 where they fit into the hole in the fan.


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