Upper wash tube assembly came off back of unit. can not reattach.
Bosch model #6800 stainless steel dishwasher. The upper wash arm and tube assembly came off the back mounting. Cant get it to reattach.
Is there a diagram and instruction sheet online or can anyone give advice how to remount it.
Re: upper wash tube assembly came off back of unit. can...
We had the same problem with our Bosch 4800 and found that the upper wash arm and tube assembly should attach to the bottom of the upper rack (rather than to the back of the dishwasher). The wash arm and tube assembly slides in and out with the upper rack. When the dishwasher door is closed the tube assembly is forced up against the back mounting/water supply.
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With your dishwasher empty, roll out the bottom rack. The feed line for the upper spray arm runs from a pump outlet directly behind the lower spray arm spindle. This tube runs up the back wall of the dishwasher and mates with the upper rack when it is pushed in.
This feed tube simply snaps into place in the bottom of the machine. It is a high pressure line that makes an immediade 90-degree bend towards the rear of the unit. They have a tendency to pop out. When and if it does pop out you get almost no water coming out of the upper arm and you lose effective pressure in the lower arm, too. The cure is to push that feed tube back down firmly into the port until you hear it snap into place. While you have the lowere rack out it is a good idea to clean the intake screen out and check for any debris in the intake well.
I understand your dishwasher is not cleaning properly. Will the spray arm rotate freely or is it damaged? If so, you might have to remove and replace the spray arm assemblies. The top spray arm typically starts to function when the unit is in rinse or wash cycle. If for some reason the top rack is not getting clean, there is a possibility that it is not working properly. The top spray arm is either blocked by pots/pans or not enough water pressure is being pump meaning that the flow of water is not making it to the upper spray arm. If you tap the delivery tube that feeds this nozzle and the water pressure jumps immediately, then the problem may lie with a faulty pump or impeller. Should all basic troubleshooting measures fail contact a certified technician to narrow down the precise issue before investing in parts that may or may not be the root cause.
I order all Bosch parts direct from Bosch. You wont get them much cheaper anywhere else. If the model number above is correct, the part number is 359976. This is the whole upper spray arm assembly which clips onto the upper basket. The arm and retaining nut are not sold separately.
(0614 is the position number in the parts list, not the part number)
The link is for the Bosch USA eShop. If you are somewhere else, please let me know your location and I'll provide a different link. If you have a different from the one listed above, I can verify the part number for you, but this fits most Siemens/Bosch dishwashers, so it's likely to be the correct part..
Many times the washing arms of the bosch and few other models will clog up with old soap or debris.
Try removing arms and clean out any debris by blowing air through unit and if need be a toothpick or dental tool to remove any solid debris that is stuck. Reattach arms and run through cycle. Hopefully this works otherwise it could very well be the pump.
Check the upper arm for free spinning, then remove the arm and check that the seam between the upper and lower halves has not split somewhere. Also check all the small holes for debris plugging. Run the machine in wash cycle for a little while with the upper arm off--that should flush out anything blocking the pipe up to the arm. If still nothing from the upper arm, tear down the lower arm assembly down to the deck while noting position of all parts removed. Clean the big screen at the bottom in white vinegar and hot water. Inspect the holes in the bottom for anything blocking them.
I understand that your LDF8812 fills with water (and drains?) but is not cleaning and you are not hearing the unit wash. Are the dishes on either rack getting wet at all? -Are you getting any error codes in the display?
On LG dishwashers, the upper and the lower arms never spin at the same time. Rather the vario check valve routes all water pressure either up or down.
The arms turn because the wash motor turns the pump (impeller) which drives the water to/through the wash arms. If the wash motor was faulty, you almost always get an error code. So the problem is probably caused by a blockage of the "plumbing" in the sump area beneath the lower wash arms. But first check all three wash arms to confirm that the holes are not blocked. (How cool is it that the light inside this model helps you do that?)
Next use a screw driver to remove the filter assembly in the sump area. There are 10 screws to remove, but first you need to firmly lift the lower spray arm directly up and out.
Inspect the entire sump area for debris. Watch out for broken glass! Look closely at the white area near the back for blockages at the check valve.
Please report back what you find and we will take the next step. OK?
There is a screen that you can remove from the sump of the dishwasher to clean. Just twist it to the left and pull it out. I have some tips that you might want to check out if this does not resolve your problem. <a href="http://tclaundryrepair.com/">St Paul Appliance Repair</a>
Ours is a SHU3300UC/06 model, basic model which we bought in 1999 so have had 9 years of trouble free service. Recently
we noticed that there was soap left in the soap dispenser after the
machine had finished all the cycles. On further inspection we noticed
that the upper level glasses, cups and bowels are not consistently
clean and it appears that the upper washing arm is not working
properly. At the back of the upper washer arm, there is a rectangular
piece that slides over the two water outlet tubes projecting out of the
back of the washer which supply H20 to the upper arm. On removing the
upper arm and the rectangular connector, I noticed there is an inner
place that I think is supposed to work like a washer that fits tightly
over the 2 water outlet tubes in the protruding from the back of the
washer. I noted that the upper opening in the washer/seal is broken so
a proper seal is not established. This would cause insufficient water
pressure getting to the upper arm and reduce its effectiveness. Now
I'm trying to find the replacement part. It appears to be something
than can easily be replaced.