Question about Shop Vac 401-04-62 Original Wet/Dry Vacuum

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Shop Vac 90PN575A shuts off by itself when suction increases.

2 y/o Shop Vac 16 gallon 5.57 HP wet/dry. When in use dry, the vac shuts itself off when the suction begins to increase during use.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

MakikiChris
  • 84 Answers

SOURCE: emptying the water from the Shop Vac 925-13 Canister Wet/Dry Vacuum

Stand in front of the vaccuum with the lable facing you, the 2 release levers are on the left and right sides, attached to the motor housing, which sits atop the tank/canister. Pull out and up on the levers, twist counter-clockwise, lift straight up and the motor housing will follow, leaving the tank/canister on the floor.

Posted on Aug 02, 2007

colin324
  • 57 Answers

SOURCE: wet dry vac suction not woking

The wet and dry vaccuums should normally have the dust filter removed when used for wet work. If the filter was left in, it will certainly be clogged and useless. I would suggest trying the unit with no filter, just to check there is good suction. If there is, a replacement filter is required. If there is still little or no suction, then it is possible that there is a blockage within the impeller area somewhere. Wet dust/dirt tends to stick really well to the impeller blades, reducing their efficiency to point of almost no suction. I'm not sure if you can get that far into your unit, if you can, it would be worth using a stiff brush to remove and adhered debris.

Posted on Dec 18, 2007

MATRIX_MMX
  • 209 Answers

SOURCE: eureka upright vac. no suction

Dear wymanwong

Righteo, your problem is not exactly all that straight forward as i dont have a great deal of information to go on with regards to this type of issue and this make/ model of vendored appliance, so I will begin by explaining how the typical vacumn cleaner functions (in relation to your issue) and what can cause a fault of this kind.

The vacumn cleaner overall (unless is a liquid cleaner as well as a conventional dry suction unit) has the function of providing suction into either a chamber or bag which is either filtered or emptied, and the effects of loosing suction usually are effected by faults within filters, or directly through the motor that is normally powered through 240V~ (AC) within the UK or
115~ (AC) USA. Suction can also be lost through blocked exhaust outlets through the vacumn unit and also through any perforations or tears to a bag/ container that is used in order to maintain constant suction and storage of particles/ vacumned waste.

Now to investigate the fault you have in regards to loss of suction within your unit.

Firstly You should query the suction motor and the copper windings as these are both electronic and mechanical components that can be affected not only by general wear and tear, but also by various ingressions (such as water and liquids). Also heat can play a major role here, as motors can spin up to a large amount of revolutions per minute (RPM) and this will cause heat build up, add this to the fact that the windings inside most electric motors are made of copper, and you can quite easily discover that the motor will "burn out" as copper will break down at somewhat lower temperatures than other electronic components (this is also more likely as the casing of a DC/ AC motor is contained within a steel structure which is a good store/ conductor of heat).

The other factor that should be considered with vacummn failures is also associated with exhaust impedances. In otherwords, if outlets and filter channels are blocked, then overloads through the motor wiill be likely and the entire system may cease altogether.

In addition to this, investigations of the power supply and any power transformers within the unit should also be queried, along with any rectifiers (used for converting an AC signal to a DC signal for use with DC motors if necessary), as faults with these can occour even over short periods of time.

If queriying these components have returned no results to the fault, then there is always the option of attaing the service sheets for your appliance from the manufacturer/ vendor of your appliance. The best thing to do in this case is either to go to http://www.google.com or to the website that is listed for your manufacturer/ vendor. Now if google if your option, then there are a few keywords which will assist in your search for your service sheets and they are to simply either type your appliance name followed by the words "service sheet" or "repair manual" In addition to this, you can always contact the manufacturer/ vendor of your appliance directly by telephone and delegate with them in order to request user manuals and servicing guidelines, and given the fact that you have a small appliance, if you mention that there is a possibility you would order any spare parts through them, then i really cannot see a reason why they would decline offering you the servicing guidelines/ manuals at a low cost.

Now there are other things here that can be investigated, but in order for me to dfo this i will need full details of your appliance model number and maufacture code, along with full details of the fault, as accurate as possible. Also photographs of either the machine or any/ all of the internal components will greatly help as direct visuals will aide not only in the identification of your make/ vendor model, but also may give a visual clue of what could be defective within your appliance (for example scortch marks on the wiring that supplies your vacumn motor etc) But any pictures supplied will need to be of a high resolution and quality.

Well I do hope that this brief explanation will provide enough information for a fixya or even a total unit overhaul in the most cost effective manner, in addition to this i do hope that i will hear from you in the somewhat near future as so i can find out more about your fault and indeed if you have managed to resolve it elsewhere (and even how this was done).

I am here most days and nights and any contact to and from me will ensure that I endeavour to resolve your technical issue in the most appropriate way for you.

In the meantime, i do hope you take care, and look forward to hearing from you soon

yours sincerely

Oz

Here on demand for all your technical needs

Posted on Apr 14, 2008

Agent Don
  • 310 Answers

SOURCE: Shop Vac 12 wet dry canister

http://geeksquad.fixya.com/ThreadView.aspx?prdid=19255&thid=245090
Shop Vac 12 wet dry canister
Posted by Fa Fa on Nov 05, 2007
I'm not certain I have all the parts to my Shop Vac. I have no instructions so I need help describing how it works and a picture of the main parts.
Thanks for any help. Julia Harris


Hello,
I would advise you to ALWAYS to FIRST UNPLUG YOUR VACUUM before beginning any service procedure. I am supplying you with the contact for the Shop Vac Factory Service for owner’s manuals listed below: for the website and the customer service line, but make sure you include the Shop Vac Model # and the Serial # as well. So if you need further assistance, please feel free to contact your local vacuum cleaner dealer in your area or in the yellow pages, or contact the factory phone number or website to further assist you with your questions.

http://shopvac.com/contact.asp Customer Service 570-326-0502 Phone #
Shop-Vac Corporation Customer Service 570-326-7185 Fax #
2323 Reach Road
P.O. Box 3307
Williamsport, PA 17701
Hours are: Monday thru Friday 8:00 am to 5:00 pm (EST)

Posted on Jun 09, 2008

Pyrhyc
  • 2028 Answers

SOURCE: Shop Vac

You **** up water the same way as dirt. It's designed this way, hence the name wet/dry. Just be sure not to get the water in the very top of the unit where the motor sucks the air for cooling ventilation, if water gets in there it can burn up the motor. A little hard way, personal experience, speaking there.

Posted on Jul 16, 2008

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