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If the Rug Doctor is not spraying properly, you may need to replace the pump .
The Mighty Pro and the X3 models have one pump , while the Wide Track (WT) model has two identical pumps running in parallel. This guide is written with the Wide Track model, but can be used for any of the three models.
Optional tools:
- Straight edge cutters/pincers instead of hose clamp pliers
- Clamp cutter/removal tool
- Hair dryer/heat gun
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For single-pump models (Mighty Pro, X3), if the Rug Doctor does not spray at all, the pump requires replacement.
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For the Wide Track model, if the Rug Doctor does not spray at all, both pumps require replacement.
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If water splashes out of the nozzles for the Wide Track model but does not spray adequately, check the spray nozzles for clogs first.
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If the nozzles are clear, one of the two pumps may be defective, not supplying sufficient pressure to the nozzles. If possible, replace both pumps.
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If you need to determine which of the two pumps requires replacement, switch the Rug Doctor on to the upholstery mode. Do not disconnect the quick-connect for accessories. If water splashes out of the nozzles like the carpet mode, replace the front pump.
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If water does not splash out of the nozzles in accessory mode, replace the rear pump.
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Use pliers to grip and wiggle the axle hub cap to loosen it.
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Pull the axle cap off.
I had a lot of trouble with this step. I started by grabbing each cap with a pair of pliers and wiggling in opposite directions; they would twist but wouldn’t come off. Then I used a screwdriver to try prying one cap off (be sure to put a putty knife or other thin and stiff piece of metal between your prying tool and the wheel to avoid damage). I managed to move the cap off somewhat, but whenever I pried up one side of the cap, the other would go down. I eventually managed it by crushing the cap using a pair of adjustable pliers.
It was a little difficult but i kept moving it side to side and it finally let go
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Pull the wheel off of the axle.
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Pull the other wheel with the attached axle out of the body.
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Slide the axle and wheels back onto the Rug Doctor.
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Center a replacement axle hub cap over the exposed axle end.
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Use a mallet to tap the hub cap in place. It should not feel loose on the axle.
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Unclip the clear hose from the back of the Rug Doctor.
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Remove the eight 15.1 mm long Phillips machine screws securing the bottom pan.
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Remove the five 15.1 mm long Phillips machine screws securing the back plate.
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Beginning from the bristle end, carefully pull the bottom pan away from the body, to gain access to the pumps.
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Carefully note the pump direction indicated by the arrow on its label. The replacement pump must be installed in the same direction as the original.
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The front pump
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The rear pump
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Remove the crimped hose clamps securing from each end of the pump you are replacing.
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You can use a clamp removal tool to cut the clamps.
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Alternatively, use pliers to unlatch the small retaining tab on the clamp.
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Pry the clamp apart to loosen it.
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Use your fingers or pliers to pull the hoses off of the pump nozzles.
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Slide the clamp onto the hose, leaving 1/2" of hose at the end.
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Use hose clamp pliers or straight edge cutters to squeeze and crimp the clamp ears.
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Cut the zip ties holding the bundle of wires together.
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Carefully trace the two wires coming out of the pump you are replacing.
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The pump wires should connect to a black wire and a white wire.
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There may be a diode attached in-line on the red wire.
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Disconnect the pump by pulling the wire terminals apart. This may take significant force. Pull at the terminals, not the wires.
The wires did not come apart easily for me. I had to cut into some of the plastic shielding and then I used a small, thin flathead to work them apart. Decided to shrink wrap the connectors with new plastic shrink tubes.
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Re-connect the pump's wires to the Rug Doctor's black and white wires.
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Pull the rubber mount away from the pump and slide it over the pump nozzle.
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Slide the pump out of the rubber mount.
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Remove the pump.
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Remove the orange caps from the nozzles.
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Make sure that the pump is installed in the correct direction.
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Check that the nozzles are pointed towards the back of the machine.
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To reassemble your device, follow these instructions in reverse order while noting the re-assembly tips.
To reassemble your device, follow these instructions in reverse order while noting the re-assembly tips.
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Fantastic. info!!! Thanks for this. Took me while to find it. Some helpful tips. But the biggest was the fact I had two pumps. I wasn’t 100% sure and I was positive I spotted two with just the back cover off. But needed to be sure before ordering. Thanks !
I would like to view how to open the housing & replace the pump on the Rug Doctor model DC 1.
My X3 model rug doctor continuously sprays Until it runs out of water doesn't matter if the red button is pressed or not when you turn on the machine, it starts sprain. Any thoughts?
Hi Mike,
Does it full-on spray, or just leak? It could be that the red button is broken. Look through this guide. You may be able to disconnect the spray button wires through the black cutout. If the Rug Doctor still sprays with the button disconnected, then the problem is elsewhere.
We replaced our pump but still does spray. We have the doctor deep carpet cleaner model with single pump.
Do you know which way for sure the pump nozzles should be facing on our model? Maybe they’re in wrong though we are hundred percent sure it’s in how old one came out.
Hi Jerri,
I unfortunately don’t. When you press the spray button, does it sound like the pump revs up? If not, it may be a switch problem.
what the pump # to order
Hello. mightily pro X3. I pushed red button but very little water comes out…. I am assuming I need to replace the pump? please advise. tank is full of water.
Dede
Hi Dede,
I would check the nozzles to make sure they are not clogged first. If possible, take the device apart and check the hoses to make sure they’re not clogged.
Hello. my small track rug doctor machine when filled up with water , when I push the red button keeps cutting out ant tripping out switch on circuit board also can someone tell me why it is doing this ???????? PLEASE
Richie
Do you have any tips on how to open up, split apart or remove the hard plastic piece on the waste water tank for the Rug Doctor Deep Cleaner? It's the top piece where the tools plug into. There is so much gunk underneath there that you cannot get to it by regular cleaning.
My rug doctor x3 is putting out water really fast and refill every 3 minutes. Single pump I took the pump apart to the clean and flush dog hair and dirt from previous owner. Just gave to me. Would cut it on and nothing and nothing I could see water in hose. But now its all just going fast can't find any things on the pump if I used it right
Some of these comments, I am hoping English is their second language. Some of them, it is obvious English is their primary language, and the review is equally as difficult to understand. Maybe they are bots and the comments are auto generated. I hope it’s that….lol
Anyways… you’re a legend for doing this tear- down. Thank you. One of the best most straightforward tear-downs I’ve ever read… and I fix a lot of stuff. I just wanted to thank you for taking the time to help others. You probably saved me an entire day. I thought the pump was in a different section of the vacuum.
My god is this thing gross on the inside. The repair only took 20mins. I spend another 3 hours removing that brush and soaking it, and chiseling off solid hockey puck sized clumps of hair. The smell is almost unbearable. I debated just tossing it. I will never let someone borrow my rug doctor again. lol.
Seriously tho… thank you. Quality work speaks for itself.
new wires on pump not consistent with wires in machine/ ended up with white wire having same plug end / same with black wires. added fuse to black wire . went to attach to black wire in machine both ends female, white wires both male. ?
old unit need and update
are both pumps the same part number?
@mcnasty did you ever figure out how to stop your rug doctor from continuously spraying? I am having the same problem right now
I have a WT model the hose attachment will not spray unless the red button is also held down any suggestions
