Installing a DCC chip in a Hornby J83 0-6-0 Tank Locomotive

Click on each image for a more detailed view.


Before installing DCC chips into any loco it is advisable to check the current being drawn by the loco.

This loco is NOT DCC ready so you will need to do some soldering. You will also need two screwdrivers, one philips type and one regular.

There is not much space inside the loco and it is very narrow - a small decoder will be required, in this case a TCS M1 decoder was used but you could also use a Zimo MX622 or NCE Z14SR.


J83 body removal step 1

To remove the body there is one philips type screw that needs to be undone at the rear of the loco, holding the coupling in place. There is no screw at the front, just lugs on the chassis which fit into the body.

J83 body removal step 2

When this has been removed gently lever the chassis from the body at the rear - this is not easy and will need to be done carefully, pressing in on the lug just above the buffer beam at the rear to release the chassis.

This is best done using a very small flat ended screwdriver to act as the lever.

5MT with decoder installed

This loco is not DCC ready so you will need to desolder the existing connections, as shown in the photograph. You are advised to remove the capacitor for installations using TCS decoders.


5MT body

Now solder red, black, orange and grey wires from the decoder as shown in this photo and the next photo below.

Fix the decoder in place with a sticky-fixer type double sided pad (an invaluable aid for DCC decoder installations available from WH Smith or any good stationery store) - if you are using a decoder that is not shrink wrapped this will also insulate it from the rest of the loco assembly.

5MT body
Test the setup before replacing the body. You can also do any programming of the decoder at this point, but it might be better to replace the body first to ensure all is still working before you alter any CVs.


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