Pushes hard over the carpet and left lines in the new carpet. My father pulled it backwards and seemed OK. It just pushes extremely hard forward. The Dyson is about four years old and have not had any problems so far.

On some carpets you may need a vacuum that can adjust the height for thicker or longer carpets. If it worked ok on your carpets before it may need a new belt or brush roll.

Your vacuum should have and adjustment for the "depth of pile" of the carpet.
If it has no such thing at all, ( a few do not,) one solution is to pull it backwards slowly instead of pushing it.
It should clean forwards as well as backwards for you.
God bless your efforts.

Hi Fran, it's Jack at Dyson.

DC33 is engineered to work effectively on both hard and carpeted flooring. The cleaner head is engineered to adjust automatically for different floor types and carpet piles. You can also turn off the brush bar for hard floors and delicate rugs, using the brush control on the cleaner head.

I'm sorry to hear you're having difficulty pushing your machine forward on this particular type of new carpeting. If your DC33 worked effectively before the new carpeting was fitted, it doesn't sound like there's an issue with the vacuum itself. However, we'd appreciate the opportunity to take some further details about the issue, and may be able to suggest a resolution. You may also want to consider contacting the carpeting manufacturer directly, as they should be able to recommend the best way of caring for this specific carpeting.

When you have your DC33 easily to hand, please give the Dyson Customer Helpline a call on 0800 298 0298 (UK), 1-866-693-9766 (US), 1-877-397-6622 (CA) or 1800 239 766 (AU).

We'll look forward to speaking with you.

Sure, on the side of the machine you will have a knob, you can use this to tuirn the brushbar off and have suction only.

tip unit back to lift brushes off floor and roll forward until over carpet edge. tip back unit to sit flush on carpet and unlock handle so it swings freely. now pull backwards ith finger on spray trigger. that's how it works, not by pushing forwad.

It sounds like your belt is broken, OR your beater bar is rotating but has not been adjusted downward to reach the carpet pile. Check by running the vacuum and looking to see if the beater is moving.

the dirt devil featherlight has a automatic height adjustment for carpet and bare floors.check the wheels and see if there is something wrapped up around the wheels

go to kirbvacuums.com and look up your model number ,they might even have a toll free number you can call

If you have made no changes to the vacuum's setup and are using it on same carpet you have previously used it on with no problem, then the most likely cause is the agitator/beater bar's drive belt is worn or on some models may have a tension adjustment which is set too loosely. This can also be caused by having the vacuums height adjustment set to low for the carpet or flooring you are using it on, causing to much drag when the vacuum is pulled backwards for the agitator to overcome.

The vast majority of agitators turn in a forward direction, as if it would pull the vacuum forward, when you pull the vacuum backwards the drag is increased.

So...First check height adjustment (a no cost fix), then check out the tension adjustment (if present on you model, some engage when top of vacuum is tilted back after stepping on the release pedal) Lastly, consider changing belt especially if you have had the vacuum awhile or if it gets a fair amount of use or it you seem to need to use it on a low height setting all the time to vacuum up debris.

Hope this helps!

on the front of the base there are 3 very small rollers made out of rubber, these are either just dry and won't turn or worn and or damaged,

that is your problem / honest its that simple