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the machine has to run for few minutes in the parked postion to heat the water or it will not dispense, for one for twoif you turn the heat off and add hot water to the tank instead it will bypass the heating and work in the meantime best way to unclog after following these steps is there is an airlock in tline turn heat off in parked position and motor on hold the trigger down for about 15 to 20 seconds release and turn off, then in parked position (locked) upright pull trigger and hold then turn on power you then will have ceased the airlock if you want to clean the unit after trying this baking soda and apple cider vinegar is best, drop the handle to ground pull the tank out and loof for the round area that the tank plug goes into take a push pin and poke the holes, then dump the baking soda and vinegar that is mixed from a cup by a few drops to sizzle in there, lift and lock and turn on holding the trigger and there ya go, have fun
The 7920 is a great little carpet shampooing vacuum. Look up manual information for detailed assembly and starting/breakdown procedures. Make certain that the carpet/floor has been vacuumed previous to cleaning with the shampooer! The small nozzle opening will get clogged with as little as a toothpick or cheerio! Step on the rear release arm pedal and drop the handle down to the floor, Pull up on the resevoir bucket handle and place the handle of the resevoir back down to open the top of the tank and fill the bladder with hot water. Replace bucket top and place bucket back into vacuum. Raise the handle until it clicks into place. Fill on board soap/shampoo dispenser by lifting out of chamber on unit and fill with appropriate Bissell or upright shanpoo cleaner. Replace unit and make certain the top is tight. Plug unit in and turn on both vaccuum switch and preheat water switch and wait approx. 2 minutes to get water hot enough to proceed with cleaning. Start by rollling cleaner onto carpet and engage trigger approx 2-3' pathway away from you and then release trigger and draw vacuum /shamppoooer back over wetted area, repeat without using water again unless heavier traffic area. Do not over wet area draw unit back and forth a few times until water runs clear thru the front clear window. Proceed to make another path along side cleaned area and so on.
Once you hear the water run out or you have finished cleaning an area then shut of heater and vacuum. release handle with foot pedal release and lift out bucket and pour out dirty water and rinse area/tank /resevoir etc. You should also clean the small red filter in the resevoir of any debris by popping out and replacing. Also, there is an onboard filter under the clear window (where spinner is located) . unscrew clear top , take out spinner device and pull out small plastic screen and rinse or blowout. Clean also the front clear cover if there is debris, by rinsing off with sprayer or wiping clean. You may also find that you have to take off the clear plastic hood window, by unscrewing two screws on either side of nozzle opening (top ) and rinse out as well. Do not, get water under unit into motor area. Place unit upright and in a warm place.. Do not let freeze if in climate that is known to freeze. Good luck cleaning!!
My Bissell stops releasing shampoo when the handle is lacked upright, when there is no water in the tank (the most common cause of this issue), or when water is not flowing through the machine because the sprayers are clogged.
Make sure the shampoo container grommet is releasing properly when you press the trigger. To check this, remove the shampoo tank from the Bissell, stand over a sink, and use a finger to push up inside the grommet on the shampoo container, the part of it that mates with the rest of the Bissell. Shampoo should dribble out when you do this. If it won't, the grommet may be clogged.
I haven't had this particular issue (yet... knock on wood!) with my Bissell, but remember that the shampoo will not dispense with no water in the tank (the most common cause of this issue because sometimes you think it has water but it doesn't) or water not flowing through the machine due to clogged sprayers-- another issue-- but since you're getting water on the floor that is not your issue-- or with the handle locked in position. If none of that fixes it, try removing the shampoo container, stand over a sink, and push your finger up inside the grommet where the shampoo container mates with the Bissell. Shampoo should dribble out. If it doesn't, unscrew the grommet (holding the container upside down of course so the shampoo doesn't gush out) and use your finger and running water to try and the grommet cleaned out.
If this isn't helping, it may be that your soap pump or soap dispensing trigger switch are defective.
if you unscrew a bit on the base that allows you to take off the brush, you will see a black plastic strip with very small holes in it. These are where your shampoo comes out of. Take a needle and re-pierce these holes and it should work again. I have just sorted mine out. good luck .
If your floor cleaner doesn't spray, chances are the heater unit is clogged. It is easy to fix if you have a few simple tools and are mechanically inclined.
Steps to fix:
- The heater unit is located inside the body of the machine, behind the power/heater switches. Remove 6 screws and split the case open.
- The silver metal "box" inside is the heater unit. Take note of how the hoses and wires are connected. Better yet, take a digital photo for reference.
- Remove the wires and hoses.
- Take the box to a work bench, and unscrew the 6 or 7 screws that hold on the lid. Don't lose the red washers that are found on the inside of the box that keep water from leaking out of the screw holes
- You'll see a "maze" where the water runs around to get heated up. Clear this of all debris. The inlet and/or outlet ports may also be clogged. I used an appropriate sized drill bit mounted on an electric screwdriver to carefully "drill" out the clogs. Make sure all the debris has been removed. I used an electric screwdriver because my 18v DeWalt hammer drill would have been overkill :)
- Reassemble to box
- Rewire and plumb the box according to your notes or reference photo.
- Put the machine back together.
Doing this saved me a $85 repair and took 30 minutes. My machine now works perfectly.