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[summary_image|2725289] | |
- | [title|Roomba Brush Not Spinning] |
+ | [title|Roomba Sweeper Brush Not Spinning] |
[summary]Is the side brush on your Roomba not turning? Does it spin erratically? Does it start and stop spinning? We will look at all of these problems and give you a path to solving the problem. It's not hard so let's get it fixed. This applies mainly to Roombas such as the i7 and earlier which use a particular gear drive system for the brushes.[/summary] | |
- | == |
+ | == The Basics == |
- | You should verify that your Roomba is charged and |
+ | You should verify that your Roomba is charged and running. |
- | * As you observe it operating, you see that there is |
+ | * As you observe it operating, you see that there is erratic side brush action or none at all. |
* You may also note that your Roomba seems more noisy than usual, likely making a grinding sound. If so, shut it off, turn it over on a soft surface, and check the following: | |
** Is the brush screw loose or gone? (unlikely) If so tighten or replace it. | |
*** Does it spin freely, then with some resistance, and then freely again? | |
*** In either of these cases, you likely have a problem with the gear train for the brush. [[Roomba Brush Not Spinning#Section_Side_Brush_Gears_and_Motor|Jump to Side Brush Gears and Motor below]]. | |
- | ** If it spins smoothly but there is a little resistance (there should be some resistance in the brush as the gears engage the motor) then the problem could be a clog under the brush |
+ | ** If it spins smoothly but there is a little resistance (there should be some resistance in the brush as the gears engage the motor) then the problem could be a clog under the brush with the motor or the motor itself rather than the gear assembly. Go to [[Roomba Brush Not Spinning#Section_Clogged_Brush_Hub|Clogged Brush Hub]] to start the process. |
** If it won't spin at all you will need to take apart the whole side-brush assembly. [[Roomba Brush Not Spinning#Section_Side_Brush_Gears_and_Motor|Jump to Side Brush Gears and Motor below]] | |
- | ** Occasionally the brush can come loose so it won't turn when the unit is running; this is a problem with the retainer screw. |
- | *** The Roomba side brushes click into place and some will run without the retainer screw, but there is more chance of something catching the brush and causing it to fall off. |
- | **** If you notice the screw on the side brush is missing, find a replacement and install it. |
- | *** Newer Roombas have captive retainer screws in the brushes, but they can still come loose. |
- | **** Check that the side brush screw is tight. If it's loose, tighten it. |
- | ***** If the screw hole in the end of the shaft that the brush is mounted on gets stripped out, it is easier for brushes to stop spinning or fall off. Here is a link to some [post|550097|methods to fix the loose retainer screw problem|new_window=true]. |
- | |
+ | * Occasionally the brush can come loose so it won't turn when the unit is running; this is a problem with the retainer screw. |
+ | ** The Roomba side brushes click into place and some will run without the retainer screw, but there is more chance of something catching the brush and causing it to fall off. |
+ | *** If you notice the screw on the side brush is missing, find a replacement and install it. |
+ | ** Newer Roombas have captive retainer screws in the brushes, but they can still come loose. |
+ | *** Check that the side brush screw is tight. If it's loose, tighten it. |
+ | **** If the screw hole at the end of the shaft that the brush is mounted on gets stripped out, it is easier for brushes to stop spinning or fall off. Here is a link to some [post|550097|methods to fix the loose retainer screw problem]. |
[comment]solutions[/comment] | |
Roomba side brushes can readily pick up hair. | |
- | * Because the brushes are turning in a steady circle, fibers and hair can wind around the brush tightly. |
+ | * Because the brushes are turning in a steady circle, fibers, and hair can wind around the brush tightly. |
* This material will often work its way under the hub of the brush and can stop it from rotating. | |
* Remove the retaining screw of the side brush. It may be captive on newer models, so if it is loose but won't come out, try removing the brush. | |
- | * Pull up gently on the brush; if it doesn't come off readily, use a tool to lift it from below the hub edge. [product|IF145-335-2|Here's one admirably suited |
+ | * Pull up gently on the brush; if it doesn't come off readily, use a tool to lift it from below the hub edge. [product|IF145-335-2|Here's one admirably suited] that won't damage your Roomba. |
{table | |
* Look for hair or other debris inside the gearcase, it will often be wrapped around the gear shafts. If you find it remove it, and go to the next step. | |
- | * Inspect the bearing for the gear that drives the brush (the one furthest away from the motor), The hole in the lower plastic case which acts as the bearing can |
+ | * Inspect the bearing for the gear that drives the brush (the one furthest away from the motor), The hole in the lower plastic case which acts as the bearing can be damaged, and the brush will not turn correctly. If it's worn it's time to replace the whole module. If it's ok, keep going. |
* Inspect the gear teeth on the small gear on the top of the middle gear. These frequently break and will cause the brushes to not spin at all or to spin erratically. Here is a picture with the gear circled. | |
[image|2725261|align=center] | |
- | * If the teeth are broken you can replace the drive. Alternatively, and likely more cheaply, you can |
+ | * If the teeth are broken you can replace the drive. Alternatively, and likely more cheaply, you can [link|https://www.ebay.com/str/wr3dprinting|find replacement gears on eBay]. |
* If all gears are in good condition, lubricate them with [product|IF317-087|white lithium grease|new_window=true]. Then go to the Motor step just below. | |
* Replacement is in the reverse order of disassembly. | |
* Once you have the motor you can follow one of the Side Brush Motor replacement guides found in [[Roomba Brush Not Spinning#Section_Related_Guides|Related Guides]], below. | |
* Replacement is in the reverse order of disassembly. | |
+ | [comment]conclusion[/comment] |
== Related Guides == |
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