Tri-ang Service Sheets
Tri-ang issued Service Sheets which contained exploded views of motors, chassis, working accessories etc. Each sheet included a full parts list of the items on the sheet. Some sheets were devoted to General spare items e.g. Crossing Gates, power leads etc.
Tri-ang released Service sheets numbered to 41. Some numbers had multiple releases and updates. For example Sheet 2 shown below left for Chassis R.52 had releases 2, 2a, 2b and2c.
The sheets were colour coded, Red for OO and Yellow for TT.