This is the fifth video in the Lima Class 47 upgrade mini-series and is Part B of replacing the ringfield/pancake motor with a brand new CD/DVD drive motor.

Part B focuses on fixing the motor into place, creating a small diode array to drop some volts so that the motor is less stressed by higher voltages and then wiring it all up to the DCC decoder.

In Part A, we looked at dismantling the old motor, removing the gears for cleaning, adapting the plain bearing to accommodate a smaller drive shaft and positioning the new motor ready for gluing. You may wish to watch Part A first.

These are detailed, step-by-step videos. If you want a brief overview, you’ll find other options on YouTube and elsewhere. The methods used in this video are not necessarily the only way to do it, nor necessarily the best.

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00:20 - Gluing the new motor into place
05:39 - Reassembling the gears
08:00 - Making a diode voltage dropper
18:48 - Wiring up the new motor
22:58 - Testing the new motor

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The 10mm CD/DVD drive motor should work in most Lima models locomotives of the following OO gauge classes: 08, 09, 31, 37, 40, 47, 52, 59, 60, 66 and 92. Other models may be able to accommodate a larger 12mm motor, but you must check dimensions yourself first.

The replacement motor is a 12000rpm, 6V, 0.03A DC motor. The output from a DCC decoder or a DC controller can reach 12V DC (sometimes a little higher) at the top end. In order to avoid motor burn-out and prolong motor life:

1. Diodes should be used to reduce voltage (as shown in the video),
2. DCC decoders should have their CV5 value reduced (if available), and
3. Top speeds should be kept to a minimum and run at higher speeds for short periods only.

Our accompanying website article is here: [ Ссылка ]

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You can buy some of the consumables featured in this video via these Amazon affiliate links:

* 10mm 6V motor: [ Ссылка ]
* 8-tooth, 2mm ID/5mm OD gears: [ Ссылка ]
* 2.5mm OD brass tube here: [ Ссылка ]
* Surface mount (SMD) rectifier diodes: [ Ссылка ]
* Through-hole rectifier diodes: [ Ссылка ]

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Thank you very much for watching.

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Visit us at: [ Ссылка ]

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Please note: I’ve drawn upon ideas and suggestions from a range of channels and people, as well as implementing my own. If you choose to follow any of the steps outlined in the video, you do so at your own risk and any damage to yourself, your models or your equipment is your own responsibility.

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