The Workbench

Service & Spare Parts

Should one of our motors really happen to get damaged, there are usually easy ways to get them back in shape. Learn more about how we can help you.

How To Guides

Replacing shafts & bearings in your EGODRIFT MOtor

Whether you want to install your EGODRIFT motor in a model with different shaft length requirement, perform maintenance after countless flights - or need to patch up your model after an unfortunate crash:

Changing the shafts and bearings on your motors is easy. Nick Wisdom from Team EGODRIFT and HeliDirect takes you through all the steps in great detail, one at a time, and shares all our tips and tricks.

Step by Step

Written instructions

While we certainly recommend you give the video above a watch, here is a written version of our shaft change guide for EGODRIFT motors:

STEP 1

Remove the retainer ring and bell

Using a special pair of (Knipex) pliers made to remove c-clips (or any other appropriate tool) and while applying caution not to damage the clip, remove the retainer ring from the shaft. The clip can be found on the bottom of the motor where the shaft portrudes the can/bell.

Once removed, please use steady force to pull off the bell and shaft from the bottom half of the motor.

If you have trouble lifting off the bell, use the tip (and really only the first part of the tip) of a Philips srewdriver and carefully insert it in the gap between the base and the bell. Then (again: carefully) turn the screwdriver to act as a gentle lever for the initial separation.

Once it is loose, please sandwich your trusted workbench towel between the two parts to prevent the bell from shooting down and damaging your fingers or the stator.

STEP 2

Locate the shaft screws

Two grub screws are holding the shaft (centered) inside the bell. They can be found when looking through the six round cutouts near the top of the motor (where the stickerbomb printed face is). With a solid 2.0 mm hex driver carefully loosen those screws and remove them from the inside of the motor.

Please put the grub screws safely away to prevent them from getting attracted by the motor's magnets.

STEP 3

Remove the shaft

After the retainer ring (c-clip) and the grub screws have been removed, you should be able to slide out the shaft towards the bottom (open end) of the motor bell. Be careful not to apply too much pressure or force when trying to remove the shaft, not to damage the bearings.

Did you know?
The thread in the end of the shaft and the screw supplied with the motor that fits it, can be used to create a contact point for pressing or tapping your shaft out without any risk of damaging the bell.

STEP 4

Insert the new / replacement shaft

Take the new shaft you want to place in the motor, and insert it the opposite way you removed the old one. Again, please apply caution when routing the shaft through the bearings (or replace those with new ones from the shaft kit in case you ordered a full kit). Make sure to fully insert the shaft into the motor. If done correctly, the holes for the grub screws and the milled ring for the retainer clip should be in the exact same position as before disassembly.

STEP 5

Secure the shaft with screws

Carefully insert the grub screws and tighten them alternating in small steps, to ensure the shaft is centered. You can check the correct position by making sure the shaft spins evenly and freely.

STEP 6

Re-attach the retainer clip

To finish the assembly, reattach the retainer clip to the milled ring on the shaft near the bottom of the motor. Check that the shaft is centered and does not oscillate.

Done.

Disclaimer: During assembly in the factory, we check the balance of each motor to ensure the shaft is dead centered and the there is no play to either side. We do not take responsibility for any damages resulting from improper replacement of the shafts on our motors without proper balancing.

Available spare Parts

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Matching shaft & bearing kits are readily availalble for all our EGODRIFT motors and their respective shaft options. Each kit contains the shaft itself in the specific length selected (on models with more than one available external shaft dimension), the top and bottom bearing and the mounting hardware - consisting of the brass washer and securing c-clip.

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Example: Tengu 4726EC Eclipse Spare Bottom Half
Example: Tengu 4726EC Eclipse Spare Bottom Half

Did you know?

Quick & Easy: Half motors available on demand

In the rare event that one of your motors gets seriously damaged in a crash, there's a fine chance at least half of it can be salvaged. While we don't list them as regular spare parts, we can on demand build and ship you a spare (top or bottom) half motor, that you can combine with the undamaged half to get your motor working again yourself - completely without the need for lengthy or costly send-ins.

The top half (rotor assembly) consists of the bell with installed magnets and shaft. The bottom half (stator assembly) consists of the base, stator, wires and bearings.

As the two halves costs about the same in production, the price for either one (you guessed it) is exactly 50% of the full model, but we'll be able to treat you to a special discount if you place an order for other items to be shipped together.

Please use the contact form below if you need help identifying whether this is an option for you, we'll be be happy to help you.

Need help?

Get in touch with us

If you need assistance diagnosing a potential issue, performing services and repairs - or are looking for a spare parts not listed, please send us a message.

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