Lima class 59

T4X Decoder installation

Pictures and text by Robert Lewis of Tilehust, Reading, United Kingdom
The Lima class 59, is the forerunner of the the now popular class 66 built for EWS and other European operators by GM in Canada.

Picture 59-1  Removing the body is quite difficult. There are 8 retaining lugs, the 3 down each side are body shell mounted, the end ones are chassis mounted. Carefully pry the body away from the chassis, inserting strips of card along the side to keep them apart as you work your way around the body. Finally a  slow , but firm pull will release the body,  the end retainers may break the clear plastic window moulding below the windscreen, but this is probably better than trying to pry the front & rear end away from the chassis as a split in the plastic would be impossible to repair.

Picture 59-2  Remove the 2 cross head screws holding the bottom to the motor bogie.

Picture 59-3  The motor assembly will then lift out of the chassis. Disconnect the 3 wires to the motor terminals and also cut or de-solder the capacitor. Also remove the wire from the bogie pivot solder tag.

Picture 59-4  This locomotive has pick up from the right side on both bogies, and from the left only on the non powered bogie.
Join the green wire to the red that comes through the chassis hole, insulate the joint, also splice the red decoder wire into this wire, again insulate this joint. Join the black decoder wire to the solder tag of the bogie retainer. Join the orange decoder wire to the outermost motor terminal and the grey to the other. Test installation. The decoder can be stuck to the top of the ballast weight using double sided tape. Replace body ensuring windscreen mouldings are in the correct place. I have used short lengths of insulation sleeving to keep the wiring neat. All unused wires have been sleeved.


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Entire contents Copyright Train Control Systems 2003-2007 Last Modified: Friday August 29, 2008 08:18 AM