Did people omit the sponge sheet in step 18? It seems to prevent me from sliding a pack as far as I’d expect it to go.
Maybe fitting a post in the extra chassis hole and a shorty lip is the way to go?
I’ve fitted an old Trinity Komodo.
The gears are aligned, but the grub screw is probably less than it’s own diameter away from the end of the shaft (second pic).
You followed instruction 22 for the mounting end of motor to the far face of the pinion to be 19mm?
I did this including the circular piece that sits between motor and gearbox plate.
Appreciate that this is a very old thread, but in the hope that it will help others, you need 8 x 850 bearings as the OE setup doesn’t include any.
Also a set of two 19804509 bushes is required.
The Tamico website includes the PDF.