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Yardbeast 2510 Wood Chipper Rotor Assembly

Updated: Jun 28, 2023

We are excited to share more information on our chippers so potential customers can know more about our chippers and current customers can read these blog posts and gather useful information before doing any maintenance or upgrade on their chippers.


If you ever need to replace the rotor on your 2510 wood chipper, here is a quick guide on how to do that!. This guide also works for replacing the rotor on the 3514 wood chipper.



tools needed to perform the rotor assembly of the Yardbeast 2510 wood chipper

Step 1.

Tools needed:

- A pair of 9/16" hex wrenches.

- 1 pulley extractor


We recommend that if you are replacing the rotor, it is also recommended to replace at least the bearing assemblies and bolts, to maintain the proper tolerance adjustment (interference) between the shaft and bearings and also guarantee the correct clamp load on the fasteners without risk of fatigue or failure.



components required to perform the rotor assembly on the Yardbeast 2510 including the rotor, bearing, bearing housing and spacers

Step 2.

Parts are shown in the picture :

1- 2510 Rotor 2-Bearing Housings 4- Bearing Spacers 2- Dirt Covers 8- 3/8" x 1-1/4" Grade 5 bolts 8 - 3/8" lock washers 8- 3/8" hex nut






The wood chipper rotor being assembled with a dust cover that prevents debris from damaging the bearing

Step 3.

First, we introduce the shaft covers into each end of the shaft. Please note that the cover with a welded tube spacer goes into the short end of the shaft.










placing the rotor inside the chipper frame

Step 4.

The covers must be inserted with the bends facing outwards.











securing the rotor position inside the wood chipper frame by placing temporary fasteners

Step 5.

Insert the bolts from the feed side. Tip #1: To make more room to insert the bolts you may slide the rotor further back. Also, make sure to place a hex nut on each bolt so they don't fall inside the bottom chipper housing. Tip#2: If bolts do fall inside the housing, use a piece of cloth between the fan blades and rotate to comb the bottom until the bolt is extracted.




placing the chipper rotor spacers before mounting the bearing housings

Step 6.

Insert one spacer per each side of the bolt. Insert the bearing housing with the bearing. You will only be able to insert a little (given the strict tolerance of this part). DO NOT SAND the shaft bearing surface nor the inside diameter of the bearing. Make sure the bearing is aligned with the shaft.






move the rotor towards the feed chute side by hammering the pulley's end with a piece of wood

Step 7.

Once the bearing is aligned with the shaft, hit from the pulley side to let the shaft slide inside the bearing even more, as shown in two pics below:









mounting rotor bearing housing onto the chipper

Step 8.

Here the shaft is now pre-mounted on the bearing... A proper wood chipper rotor assembly is key to much more amazing wood chipping work down the road.











adjusting the rotor axial position with a hammer and a piece of tubing

Step 9.

Once the bearing housing is aligned and pre-mounted with the shaft, grab a hammer and hit the inner bearing ring with a piece of pipe. WARNING: Make sure that the pipe is touching the inner bearing ring ONLY. If the pipe has a bigger inside diameter, it may touch and damage the bearing seals. To ensure proper fitting, make sure the bearing's inner ring is touching the shaft's outer step.



preload bearing housing fasteners and make sure the position of the rotor and other components are in working order

Step 10.

Insert the bearing housing on the pulley side. Again, because of the amount of interference between the elements, you need to solidly hit this with a piece of pipe and hammer. Remember we are pre-mounting the shaft onto the bearings. Sliding the bearing will also give you enough clearance to insert the spacers and bolts.




proper mounting of the bearings are essential for a satisfactory wood chipping operation

Step 11.

Now we will hit the bearings further inwards until they touch the shaft's outer step on each side. Once the bearings are touching the outer steps, we proceed to install lock washers on each bolt.








Finish mounting the chipper rotor by adjusting the bearing housing fasteners

Step 12.

Tighten by preloading the bolts...












Step 13.


At this point, rotate the rotor slowly by hand (be careful, the blade should not be installed at this point). Observe that the rotor is rotating and aligned with the housing and that is not making contact with other elements of the chipper. If the shaft makes contact with the dirt covers, you may adjust shaft height by softly hitting the bearing housing from the outside down up with a piece of wood and hammer.


Once the rotor is rotating freely, apply the required torque bolt torque of 25 ft-lbs.


This concludes our tutorial for Yardbeast 2510 Wood Chipper Rotor Assembly

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