How do I replace my Danfoss Randall 102 mechanical progammer unit ?

We are doing the same, there is a full manual on the Danfoss website.

Lesley Mack
October 2008

There is a small screw accessed through a hole on the underneath of the right bottom section. Fully loosen this, it will not actually drop out , then push the timer unit up and it will slide out. Behind is a fixed face plate with the wiring and contacts. The new one slots back onto this , easy. If its the clock which has stopped you can maybe slide it out as above and WD 40 the mechanism from behind, this worked for me.

Graham Jones
September 2008