LUX suction

[Real1]

Thanks <a name="start_16153.172517">Gareth, I think I might invest in a tool that reads RPM...I can use it on many other small electric motors as well. What sort of tool do you use for this task? How can I find out what the factory RPM range is supposed to be for the 1205 and the G motor?  That would at least tell me if the motor is putting out sufficient RPM's and if so, I can leap-frog to the fan impeller stages and fan box seal....although I redid the seal with no significant result.
</a>
 
<a name="start_16153.172517">Kevin  </a>

 

[gsheen]

Hi Keven
Its called a rpm reader , uses a lazer system to read rpm , not unlike the system the cops use to measure your speed , although its much smaller, will try and post a pic of one later

 

[Real1]

Is....

it the same sort of device that you would strobe a pulley with to get RPM? I'll Google around and see if I can find one....

Kevin

 

[Real1]

@frank....

I did the heavy postcard trick. Even if I let the 1205 suck the postcard first, the G easily pulls it away. This is frustrating...I get the same results with two different motors. Makes me think something is going on in the canister, but what? 

  Any ideas anyone (other than buying the suction gauge and air flow meter-do have the RPM counter coming)? I have a good VOM and a clamp on amp/volt tester.....


 


Kevin

 

[r2d2]

$279.00

Sandy, its good that are finding time to participate with the club again. I began selling Electrolux in 1972 shortly before the Jubilee. The powernozzle was a package with the 1205 and the 1205 could not be purchased by itself without one. The rebuilt G was $109.00 and the power nozzle, wand and sheath with hose wrapper was $54.00. I suggested to my buyers to spend the extra money on an electric hose when buying a G. I have no scientific evidence to support it but its been my experience the model G has more suction than the 1205, which has never impressed me. More often than not I would repair the buyer's existing vacuum if it were an Electrolux. I created more goodwill than income but I didn't care. Most often I'd knock on the door and t the same moment say "Dear Lord, Please don't let anyone be home".

 

[rolls_rapide]

Vacuum cleaner sound changes

I noticed the same thing with my mum's Vax Mach Air upright. Sometimes the motor pitch would change for no apparent reason. I put it down to two possible causes:

1: there was greater current being drawn by other appliances (cooker, tumble dryer, fridge)

2: the cleaner's motor thermistor was playing up.

Since the machine has never conked out and the filters were always kept in a clean state, I presumed the former scenario to be the case. (Lighting does slightly dim when the kitchen appliances are in full swing).

 

[trebor]

With all power nozzle vacuums...

I have noticed that when the nozzle is turned off the RPM of the suction motor increases slightly, and conversely, when the P/N is turned on the suction motor decreases slightly. With variable speed controls on the suction motor, whether hose or body mounted, the same effect can be observed to a lesser degree with respect to the power nozzle motor. With the lower draw of 535 watts, the start up of a fridge or air conditioner has a more noticeable effect than it does on a higher wattage motor.

Try plugging the Lux into a circuit that you know has nothing else pulling from it and see if it makes a difference. And, does the armature need to be polished?

 

[gsheen]

That's correct as the vac motor is having to share power that it receives with the PN, Its like those big triple motor and twin motor commercial vacuums, they are actually very inefficiently as the second and third motors are not able to achieve there peek power as they are sharing the power

 

[frank1002us]

@kevin

@kevin
a-the reason for better suction is how air tight the vacuum is. i think g is more airtight that 1205.
b-the hose might be leaking.
to check the hose for leak
1-prepare a water and soap solution [maybe 10 to 1] in a spray bottle.
2-put the hose to the exhaust blower.
3-spray a little of the soap solution on the hose.
4-turn on the vacuum and put your hand at the end of the hose to stop the air from coming out
5-watch for bubbles.
c-the bag. make sure you have a clean bag.
d-air flow is more important than suction to the cleaning power of the vacuum

 

[Real1]

I'm...

not using/sharing a PN in any of these tests...just a floor suction wand...same wand used on both the G & the 1205. I did the soap test on both hoses, which BTW are newer LUX replacements-$$$. Both hoses past the soap test. Clean bag yes, that's a given.  Yes, both 1205 motors where gone through:burnished commutators, checked, cleaned & reoiled bearings and checked brush length. Both motors perform identically...the reason I'm thinking it's something else.  I could swear I was getting more suction on the 1205 originally....now I'm starting to wonder,  but for a G to out pull a 1205??

If that's the case....I'll just keep using the 1205 as my daily and keep smiling at the old, victorious G with its turquoise suit.

 


@

 

[frank1002us]

i have not compared the two myself, but model g is one of the best electrolux vacuum cleaner. it is probably one of the most sealed one for sure.

 

[Real1]

And....

that may be the cause of the different suctions; the G is sealed like a drum. And totally agree...the G is probably the last of the late great LUX's. Almost makes me want to try earlier models as well,  but I really have enough 'projects' on my plate. I'm done with ebay except for accessories.  Most folks just don't do honest descriptions of their vacuums (even resplendent with dirt in a bag!), but I do hunt craigslist occasionally. 


 


Kevin

 

[danemodsandy]

Yep!

"I do hunt craigslist occasionally."

Yeah, I've been burned on eBay, too. I've taken the same approach you have - parts and accessories only.

The nice thing about Craigslist is that things are usually much more reasonably priced, and you get to look at them before parting with your cash. If something's wrong, the lower price usually compensates for it. If you have to replace a cracked handle on a 1205, for instance, it doesn't hurt nearly as much on a $10 Craigslist machine as it does on a $65 eBay one. And you got to decide whether it was worth it to you up front.

 

[Real1]

Exactly....

my thinking. And because you're there in person, you can usually negotiate the price if you show him things are wrong/broken.  Ebay broke me when I was buying vacuums and the sellers were sending them with their bags full of dirt. If they can't even remove a bag full of their dirt, what does that tell you?

 


Kevin

 

[frank1002us]

i would say olympia and silverado were also great machines. i love the new uprights also.

 

[Real1]

I've not....

had either of those, but was bullied (by a lady salesperson, my mother-in-law and the wife) into buy a new Diamond Jubilee around 83/84 with all the bells & whistles.  When we split, I got the old G. Guess which one is still going?